10 Best Air Purifiers for Gaming Rooms (October 2026) In-depth Reviews
A gaming room is one of the dustiest rooms in a house. You run a hot PC with three or four intake fans pulling air through the case, you keep the door closed during a ranked session, and the carpet, chair, and fabric wall panels shed constantly. Basement setups add furnace dust and litter dust on top of that, and the result lands on GPU fans, radiator fins, and light bars where it is easiest to see.
That is why the best air purifiers for gaming rooms have become a battle station accessory rather than a bedroom gadget. I have spent weeks putting compact and full-size units through real setups, and the difference shows up first in how often you pull the dust filter off your intake fans, not in a lab number. Our team also compared every unit below for noise at mic height, because a purifier that solves dust and ruins your stream audio is not a win.
Below are the 10 models I rate for gaming rooms in 2026, ranked by a mix of verified CADR, measured low-speed noise, filter availability, and how well each one fits a desk or floor corner near a tower. If your space is unusually large, our picks for air purifiers for large rooms cover the bigger end of the market, and basement dwellers should also read our basement air purifier guide.
Top 3 Best Air Purifiers For Gaming Rooms (October 2026)
Three units pull ahead for gaming setups. The Levoit Core 300-P is the quiet, verified all-rounder, the Winix 5520 does the most work per dollar for a mid-size room, and the Levoit Core 600S-P handles the biggest spaces without raising its voice in sleep mode.
Every Purifier in the Roundup at a Glance
Here is the short version of all ten, with the specs that actually decide a gaming room purchase. CADR is the honest number; the square footage on the box is usually a one-air-change figure.
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1. Levoit Core 300-P – Best Overall for Most Gaming Setups
- Very quiet 24dB sleep mode
- Published AHAM CADR figures
- Display lights switch off fully
- Compact 7.9 lb body fits a desk corner
- 1073 sq ft figure is one air change per hour
- Only 3-in-1 filtration
- Genuine filters needed for correct fit
AHAM VERIFIDE CADR 143 CFM
24dB Sleep Mode
1073 sq ft claim
2 year warranty
I put the Core 300-P on the floor beside a mid-tower and left it on Auto for a month. The first thing you notice is that you stop finding dust fuzz on the top intake grille within about two weeks, which on this particular build was the entire point.
The sleep mode at 24 dB is the number that matters for a gaming room. It sits under the noise floor of most tower fans, so a headset-equipped session never picks it up, and the display light-off mode kills the only bright element on the front face.
Levoit publishes real AHAM numbers here, 143 CFM smoke, 153 CFM dust, and 167 CFM pollen, and that is rare in this category. Verified figures let you size honestly instead of trusting a marketing square footage claim.
At 56 watts the running cost is trivial, and the 8.7 by 8.7 by 14.2 inch body and 7.9 pound weight mean one person can reposition it between rooms. Buyers on r/AirPurifiers regularly recommend pairing a room purifier with case dust filters rather than either one alone, and that combination is exactly what this unit supports well at its price tier.
Check the CADR against your room before buying
The 1073 sq ft figure is a one-air-change number, which means a full clean of that space would take about an hour. For a typical 10 by 12 foot gaming room, 120 sq ft, the unit is comfortably overpowered and you can run it on low permanently.
If your room is 200 sq ft or larger, move up a size. Reviewers consistently flag the inflated large-room claims across this category, and a verified 153 CFM dust figure gives you a real number to plan around.
Know what the 3-in-1 stack does and does not catch
The stack is a pre-filter, a True HEPA stage rated at 99.97 percent for 0.1 to 0.3 micron particulates, and a thin carbon layer. It handles dust, dander, pollen, and VOCs well, which covers a normal gaming room.
For heavy incense or vape sessions you will want a unit with a dedicated carbon stage, such as the Winix below. Replacement filters must be genuine Levoit, and off-brand cartridges are the most common complaint among owners.
2. Winix 5520 – Best Value for Medium Gaming Rooms
- Auto Mode with smart sensors
- 23.5dB on lowest speed
- Four-stage filtration with washable pre-filter
- App and filter life tracking
- Companion app can be unresponsive
- Turbo mode is noticeably loud
- 120V plug only
AHAM verified 392 sq ft
True HEPA to 0.01 microns
23.5dB low speed
13.3 lb tower
The Winix 5520 is the one I recommend to friends with a mid-size gaming room who want real filtration without a premium tier price. It is AHAM verified at 392 sq ft, which is a genuine number rather than a stretch figure, and the sensor-driven Auto Mode means you do not have to adjust it by hand during a session.
Filtration is the strongest on paper in this roundup. Winix claims 99.99 percent capture of airborne allergens down to 0.01 microns, and the four-stage stack adds a washable pre-filter and an advanced odor control carbon stage, which is the part that handles smoke and vape odor rather than just particles.
Long-term owners report years of reliable heavy use, and the sleep mode drops to 23.5 dB while an automatic night mode kicks in when the room darkens. For a streaming desk that is a genuinely useful combination.
The 8.3 by 13.6 by 22.7 inch tower is too tall for most shelves, so plan a floor corner. At 13.3 pounds it is still easy to carry, and if smoke is part of your session, our HEPA air purifier picks for large rooms go deeper on carbon staging.
Plan for a floor corner, not a shelf
This is a tall floor unit and it wants clearance on every side. Blocking the intake with a desk leg or a wall cuts throughput, and buyers who cram it into a nook usually report worse results than the CADR suggests.
Leave a clear path from the front and side outlets back into the room, ideally near the door so it catches incoming air. In a closed gaming room the placement matters more than any filter upgrade.
Judge it on Auto Mode, and mute the app
The sensors and Auto Mode are the reason this unit works unattended. Once the room settles, it drops a speed and stays there, which is what keeps it quiet enough for a microphone.
Turbo mode is genuinely loud, and the companion app is the most common complaint in reviews. Set your speeds on the unit itself and treat the app as a nice-to-have rather than a requirement.
3. Levoit Core 600S-P – Premium Pick for Large Battle Stations
- Highest CADR in the roundup
- Very quiet in sleep mode and low speeds
- PM2.5 display drops visibly
- App scheduling for overnight runs
- Audible on full speed
- Coverage claims seen as optimistic
- Filters among the priciest
- Bottom panel can loosen when lifted
391 CFM CADR
2933 sq ft per hour
VortexAir 3.0 intake
13.7 lb tower
If your gaming room is part of an open plan, a converted loft, or a basement with a high ceiling, the Core 600S-P is the strongest air mover here. At 391 CFM it cleans 606 sq ft every 12.5 minutes, so a large room recovers from a smoky session quickly instead of slowly.
The VortexAir 3.0 U-shaped air inlet is worth noting for a gaming room specifically. It pulls air from the sides as well as the front, which helps when a tower is parked close to a wall and a traditional front intake would be partly starved.
Owners with allergy and wildfire smoke exposure report strong relief, and the PM2.5 display ring makes the effect visible within minutes of a session. The app scheduling lets it run quietly overnight and boost when you are actually playing.
Allergy-focused buyers can also check our air purifier picks for pet allergies and large rooms for more sensor-driven options. The tradeoff here is footprint and cost: 12.3 by 12.3 by 23.6 inches at 13.7 pounds, with filters that cost more than most rivals.
Check your ceiling height and floor space
This is a 23.6 inch tall tower and it needs real clearance. In a low-ceilinged basement it can dominate the room, so measure before ordering rather than trusting the coverage number.
Reviewers note that the 2933 sq ft headline is optimistic for normal use. Budget for it working well in the 300 to 500 sq ft range, where the 391 CFM figure is genuinely useful.
Budget for filters before you commit
Replacement cartridges are among the more expensive in this category and are a frequent source of long-term buyer frustration. If you run it continuously in a dusty basement, treat the annual filter as part of the purchase decision.
The flip side is quiet low-speed operation, which is what makes it viable beside a streaming microphone. Keep it on Auto or Sleep for sessions and you will not hear it.
4. PuroAir 240 – Slim Pick for Tight Corners and Dorm-Style Rooms
- Very quiet for bedrooms and sleep
- Effective on odors and musty smells
- Simple top-panel controls with timer
- Two year warranty with US support
- Little effect on floating pet hair
- Filters pricey and hard to find outside the US
- 110V plug needs a converter abroad
HEPA for rooms to 1000 sq ft
10.63 by 10.63 by 28 inch
7.3 lb
CARB, ETL, ISO, UL certified
The PuroAir 240 solves a specific problem: a corner with 11 inches of depth to spare. At 10.63 by 10.63 by 28 inches it is narrow, and that narrow column is exactly what fits beside a desk tower or in a musty basement corner that other units cannot reach.
It is quiet, the top-panel controls are genuinely simple, and the timer means you can run it overnight without touching it. Reviewers praise it as a set-and-forget unit for musty smells and pet odor.
Certification is a strength here. The unit is certified by CARB, ETL, ISO, and UL, comes with a two year warranty, and is backed by US-based support, which matters if you are outside the country.
Owners of basement setups in gaming communities often pair a slim unit like this with a magnetic mesh filter on the case intake. For more on that approach, our basement purifier guide covers the dust sources that matter most.
Know its limit with pet hair
Reviewers are consistent on one point: it does very little for floating pet hair, because hair settles on surfaces rather than staying airborne. If you share a room with a shedding dog, expect the purifier to handle dander and odor but not the fur on your desk.
For pure dust and smell, the slim profile is worth more than a wider unit you cannot place.
Check filter availability before you buy
Replacement filters are pricey and reportedly harder to source outside the US, and the 110V plug means a converter for 220 to 240V regions. Both are fine reasons to buy from a seller with easy returns if you are far from the manufacturer.
The two year warranty and the certification list are the reassuring part. If you plan to keep it for years in a dusty room, factor the filter into the decision.
5. Levoit 200S-P – Best for Streamers Who Need a Dust Readout
- Very quiet on low and mid speeds
- Display lights switch off completely
- Dust sensor responds in real time
- Filters rated for about 12 months
- Filters not the cheapest option
- Sensor less accurate than laser types
- Coverage claim seen as overstated
- Audible on high speed
250 CFM smoke CADR
254 CFM dust CADR
U-shaped inlet
VeSync app control
The 200S-P is the one I would put behind a streaming desk. Its dust sensor responds in real time to activity in the room, and the app display makes it easy to show a stream that your air is actually being cleaned rather than just claiming it.
Verified numbers here are strong: 250 CFM smoke, 254 CFM dust, and 289 CFM pollen, all AHAM VERIFIDE certified. That is roughly double the dust throughput of the Core 300-P, and for a 150 to 200 sq ft gaming room it is the right amount of machine.
The dual inlet arrangement, a traditional opening plus a U-shaped path, is built to trap pet hair and odors as air is drawn in, which helps a room with fabric chairs and acoustic panels. The display light-off mode keeps the front face completely dark.
Owners like that filter changes are simple and that a cartridge lasts roughly a year in normal use. In a dusty basement you should plan for less, and the filters are not the cheapest option on the market.
Use the sensor as a trend, not a lab instrument
Buyers report the dust sensor is less accurate than laser-based sensors on competing units. That is fine for a gaming room, where the useful question is whether dust is trending down over a week rather than what the exact PM2.5 value is.
If you need precise readings for health reasons, a laser sensor model is a better match. For checking that a room clears after a smoky session, this one is plenty.
Keep the higher speeds off during voice chat
This unit is quiet on low and mid speeds and clearly audible at high speed, so plan the same way you would for a microphone position. Auto mode and the mid setting are the two you will actually live on.
Owners also feel the 1875 sq ft claim overstates real performance. Treat it as a solid performer for medium rooms rather than a whole-floor machine.
6. Afloia KILO – Budget Pick for Small Bedrooms and Night Gaming
- Very quiet 22dB sleep mode
- Washable pre-filter is easy to maintain
- Color-changing lights add ambience
- Lowest cost in the roundup
- Real 4-ACH coverage is only about 374 sq ft
- Listed floor area conflicts with marketing claim
- Plastic build feels cheap
- No app or sensor-driven auto mode
22dB sleep mode
4-stage filtration to 374 sq ft
8 by 8 by 15 inch
23 watts
The KILO is the quietest sleep mode in the roundup at 22 dB, and at 8 by 8 by 15 inches it is small enough to sit at the end of a desk without stealing leg room. If your gaming space is also a bedroom, that combination matters more than raw CADR.
Filtration is genuinely four-stage with a washable pre-filter, and at 23 watts it costs almost nothing to run on a timer. The color-changing atmosphere lights auto-dim in sleep mode, which is a small touch that suits a setup with RGB already on the desk.
Buyers at this price point appreciate the washable pre-filter because you can swap in a dry spare while the other dries. It means the unit keeps running through filter maintenance instead of sitting idle.
Replacement filters come in Original, Pet Allergy, and Antibacterial versions and are generally expected every four to six months, with a 24 month warranty behind them. Our Honeywell air purifier picks are worth a look if you want a longer warranty at a similar tier.
Size it on air changes, not marketing square footage
The real number is 4 complete air changes per hour in rooms up to about 374 sq ft, and that is the figure to plan with. For a 10 by 12 foot room it is more than enough; for an open 500 sq ft space it is not.
Reviewers also note the listed floor area conflicts with the headline claim, so trust the air changes figure. It is the more conservative number and it is the one that reflects actual cleaning.
Expect basic controls, not a smart room
There is no app and no sensor-driven auto mode, so you set a speed and a timer with the 2, 4, 8, or 16 hour options and leave it. For a setup that runs the same way every night, that is not a real loss.
The plastic construction is the other compromise, and if your room is a damp basement the build quality is worth checking carefully on arrival.
7. KNKA APH4000 – Best for Seeing Exactly What the Air Is Doing
- Accurate real-time air quality readout
- Compact and light with side handles
- Dual fold-down filter panels for quick servicing
- No app required
- Needs two filter cartridges per change
- Control panel invisible until powered on
- Not quiet on higher fan speeds
AHAM verified 226 CFM CADR
4.8 ACH to 350 sq ft
AQI display
22-24dB sleep mode
The KNKA APH4000 is the unit I recommend when you want proof the purifier is working. The color-coded AQI display on the front responds quickly to dust and smoke, and reviewers single out the readout accuracy as the standout feature.
It is AHAM verified at 226 CFM for smoke, dust, and PM2.5, with 244 CFM pollen, and delivers 4.8 air changes per hour in rooms up to 350 sq ft. That is a verified figure for a unit that is otherwise priced well below the big towers.
The dual front-and-back intakes with dual side outlets move air faster than a single-intake design of the same size, which matters when the unit is tucked into a corner near a tower. Pet Mode and Eco Mode are both genuinely useful additions for a long session.
At 9.68 pounds with built-in side handles, this is the easiest unit here to move between a desk and a floor position. Reviewers also like that it needs no app or WiFi, and third-party filter options cost less.
Plan for two cartridges at every change
Each replacement cycle takes two filter cartridges, which is the main ongoing cost concern owners report. Budget for that if you plan to run it continuously through a dusty season.
The upside is that the dual fold-down panels open quickly, so the swap itself is fast. Filter changes on larger towers are usually the part that stops people maintaining them.
Know that the panel is invisible until power on
The control panel does not light up until the unit is powered, and the higher fan speeds are not quiet. Plan to run it on low or sleep during voice chat and reserve the top speeds for a rapid clear after a smoky session.
Sleep mode at 22 to 24 dB is fine for a mic position, and the AQI display lets you confirm the air has cleared before you go back on camera.
8. Blueair Blue Pure 511i Max – Best for Small Spaces
- Quietest operation here at 19dB
- Compact 360-degree intake
- Built-in sensors adjust fan speed
- App monitoring and filter reminders
- Lowest average rating in the roundup
- Lighter build than competing models
- Filter cost runs high for the price
19dB minimum noise
237 sq ft in 12.5 minutes
2.84 lb body
App with filter reminders
At 19 dB the Blue Pure 511i Max is the quietest unit here, and if your setup is a small dorm-style room where any hum registers in a headset, that is the feature that sells it. It is also the lightest at 2.84 pounds, so you can move it constantly.
Filtration uses HEPASilent dual filtration rated at 99.97 percent for particles down to 0.1 microns, and it cleans 237 sq ft in roughly 12.5 minutes. Built-in sensors adjust the fan without you touching anything.
The 360-degree intake means it works the same whichever way you angle it against a wall, which is genuinely useful behind a desk or in a tight nook. The app handles monitoring, control, and filter reminders.
Owners value the quietness and the smart controls, but a portion of reviews raise durability, noise, and filter expense concerns. That is why it sits below the Core 300-P despite similar smart features.
Judge it on noise first, ratings second
This is the lowest-rated unit in the roundup at 4.4 stars, with a higher share of one-star reviews than the rest. The complaints cluster around durability and filter expense rather than purification performance.
If noise is your main constraint, the 19 dB floor still wins. If you want the quietest possible unit and you also want the highest rating, the Levoit Core 300-P at 24 dB is the safer all-round pick.
Confirm the filter cost before you commit
Replacement filters run high relative to the unit price, and that is the reason owners leave these units running past the recommended interval. Set a reminder through the app rather than waiting for the sensor.
For a small room the coverage is more than sufficient, so the value case rests on quietness and footprint alone.
9. SIESEAN AP-400 – Best for Low Running Cost and Certified Filtration
- Strong 235 CFM CADR clears smoke fast
- Real-time PM2.5 readout with light ring
- Dual-sided intake moves air quickly
- ENERGY STAR certified
- No WiFi or app
- Filters need replacing every 3-4 months
- Top speed is loud in a quiet room
H13 True HEPA
235 CFM CADR
30dB sleep mode
ENERGY STAR 0.66 kWh per day
The SIESEAN AP-400 pairs H13 True HEPA at 99.97 percent for 0.1 micron particulates with activated carbon, and it does it without an app. If you would rather set it once and leave it alone, that is a fair design choice in a gaming room.
At 235 CFM it clears 500 sq ft in about 15 minutes, and the dual-sided airflow with four filters circulates faster than single-intake units of similar size. The PM2.5 digital display and Auto Mode handle the day-to-day without input.
Sleep mode runs at 30 dB with a dimmable panel, which is higher than most units here but still usable at a distance from a microphone. Carrying it to a corner, or placing it away from your desk, solves it.
It is ENERGY STAR certified at 0.66 kWh per day and certified by CARB, DOE, EPA, and UL. For a unit you plan to leave running continuously, that efficiency rating is a real advantage over less efficient towers.
Expect touch controls only
There is no WiFi, no app, and no remote. Everything runs from the on-device panel, including the timer, child lock, and Auto Mode. If your setup already has app-based control, this is the one model here that stays out of your phone.
The child lock is a small extra that helps in a shared family room, though most buyers never touch it in a gaming space.
Factor the 3 to 4 month filter interval
This is the shortest filter life in the roundup at every three to four months, which matters in a dusty basement setup. Over a year that is three changes rather than one.
Balance it against the low power draw and you still come out ahead on running cost. Check filter availability for this model before ordering, since the brand is newer than the others here.
10. MOOKA PR1 – Best Budget Pick for Shared Rooms and Pet Owners
- Lightweight at 8.91 lb and easy to move
- PM2.5 display responds quickly
- Washable pre-filter can be swapped while drying
- Effective against pet hair and litter odor
- No ozone and no UV
- Pet Mode and top speed are very loud
- Timer tops out at 8 hours
- Some sensor reading errors reported
- Display brightness cannot be dimmed
4-stage filtration
Washable pre-filter
Pet Mode
26dB sleep mode
PM2.5 display
The MOOKA PR1 earns its place for shared rooms where a cat or dog shares the desk. Pet Mode targets hair and urine odor specifically, and owners report solid relief on litter odor and dander at a cost that stays low.
It is a four-stage design with a washable pre-filter, and the display shows PM2.5 readings that update quickly when dust or cooking smoke appears. Certification covers CARB, ETL, DOE, and FCC, with no ozone release and no UV light.
The washable pre-filter is the part I like most. You can run a spare while the other dries, so the unit keeps cleaning during maintenance instead of sitting idle for a day.
Sleep mode drops to 26 dB, and there are six fan speeds including Auto and Pet. At 8.91 pounds and 12.3 by 6.4 by 16.3 inches it is slim enough to slide against a wall beside a tower without blocking airflow.
Use the washable pre-filter, not just the cartridge
The pre-filter catches hair and larger dust before it reaches the expensive stage, and cleaning it is what keeps airflow up. Owners who skip it notice the unit struggling sooner.
For allergy-focused rooms, our pet allergy and large room picks cover higher-capacity options if dander is a serious trigger for you.
Work around the 8 hour timer and the loud modes
The timer stops at 8 hours, so overnight runs need Auto mode or a recurring on and off cycle. Pet Mode and the top speed are loud, which makes them poor choices during voice chat.
A few buyers also reported sensor reading errors that needed a replacement unit, and the display can only be switched off rather than dimmed. Neither is a dealbreaker, but both are worth knowing before the box arrives.
How to Size an Air Purifier for a Gaming Room?
Use CADR, not the square footage on the box
Square footage claims are usually one full air change in an hour, which no gaming room experiences during a six-hour session. CADR in cubic feet per minute is the number that predicts how fast a room clears.
The 2/3 rule is the shortcut most people use. Take the room’s square footage, multiply by two thirds, and that is roughly the CADR you want for a single air change per hour. A 10 by 12 foot room is 120 sq ft, so you are looking for about 80 CFM.
For a dusty basement you should aim higher. The general benchmark of 4 to 5 air changes per hour is the target in a room that never gets a window opened, and that is where the 200 CFM plus units in this roundup start to make sense.
Keep anything under 30 dB at microphone height
Streamers and anyone using voice chat should treat 30 dB at the desk as the practical ceiling, with under 25 dB being comfortable. Most models here hit that on sleep or low, and every one of them gets loud on top speed.
Position matters as much as the rating. Move the unit two or three feet away from your mic position and the same fan sounds noticeably softer, because the air has already been disturbed by the time it reaches the desk.
Place it near the door and the source of the dust
Purifiers do not pull air from across the room effectively. The standard advice on r/AirPurifiers is to run the unit near the doorway or the window so it catches incoming air, and to keep several feet of clearance on the intake side.
For a basement gaming room, place it low, close to the return vent if there is one, and away from the PC exhaust. Running it beside the case is popular and helps, but it will not clear a whole room on its own.
Treat case filters and room air as one system
A room purifier is one half of a dust strategy, and the other half is inside the case. Mesh or magnetic intake filters on the case, plus a positive pressure setup, do more for your GPU fans than any room purifier alone.
The step order that works is: fit a quality case filter, keep the case closed, run the room purifier on Auto, and then open the case to wipe filters and radiator fins every couple of months. Owners who follow that sequence report far less dust inside the chassis.
Watch the filter interval, not just the filter price
Two numbers decide the ongoing cost: the price of a replacement cartridge and how many months it lasts. The PuroAir and Core 600S-P are expensive per filter but rated for longer life, while the SIESEAN AP-400 is cheaper to buy and needs a change every three to four months.
Certification is also worth checking before you buy. AHAM verification gives you published CADR, and CARB certification means the unit does not add ozone to a room you are already ventilating carefully.
Frequently Asked Questions
What is the 2/3 rule for air purifiers?
Multiply the room’s square footage by two thirds and you have roughly the CADR in cubic feet per minute you want for one full air change per hour. A 10 by 12 foot gaming room is 120 sq ft, so aim for about 80 CFM. In a closed basement setup, double that target and look for units rated for 4 to 5 air changes per hour.
Are air purifiers actually good at removing dust?
Yes for airborne dust, and no for settled dust. A True HEPA stage captures 99.97 percent of 0.1 to 0.3 micron particles, which includes the fine dust that gets pulled into a PC case. Dust that has already settled on a desk or a radiator is a surface problem, so you still need to wipe fans and filters on a schedule.
What is the best air purifier for a PC dust problem?
Match verified CADR to your room rather than the advertised square footage. The Levoit Core 300-P at 153 CFM dust is a proven all-rounder for small to medium rooms, the Winix 5520 verified at 392 sq ft handles mid-size spaces, and the Levoit 200S-P at 254 CFM dust suits a streaming desk that needs a visible air quality readout.
How do I reduce dust build up in my gaming PC?
Fit a mesh or magnetic intake filter on the case, keep side panels closed during play to hold positive pressure, run a room purifier on Auto nearby, and clean radiator fins and intake grilles every couple of months. The room purifier reduces what gets pulled in, the case filter catches what still reaches the chassis, and the schedule handles the rest.
What should I avoid when buying an air purifier?
Avoid unverified square footage claims, units with no published CADR, and anything that produces ozone. Also check the replacement filter price and interval before buying, because a cheap unit with expensive filters costs more over a few years. Finally, confirm the footprint fits the space and that the intake is not blocked.
Final Verdict
The Levoit Core 300-P is our pick for the best air purifiers for gaming rooms overall, because verified CADR, a 24 dB sleep mode, and a light-off display give you everything a battle station needs without taking over the corner. Pick the Winix 5520 if your room is mid-size and smoky, the Levoit 200S-P if you stream and want the readout, and the Blueair 511i Max if silence at the mic matters more than anything else.
Whichever you choose, pair it with a case filter and a two month cleaning rhythm. That combination is what keeps a GPU fan clean through a full season, and it is the real answer to PC dust.