The 7 Best Rack Mount Fan Panels
Updated by · How we research
A thermostat that idles the fans until the rack warms up puts the AC Infinity CloudPlate T7 first among 7 exhaust, intake and top-mount fan panels. When users buy our independently chosen editorial picks, we may earn commissions to help fund the Wiki.
Where a rack fan panel sits in the rack matters. Intake panels belong near the bottom of a closed 19-inch rack or AV cabinet, where the air is coolest, and top-mount trays push heat out through a vented roof. Home theater owners, home-lab builders, studios and small offices use these panels when packed AV or network gear runs hot.
Editor's Notes
October 18, 2026, by Ezvid Wiki Admin:
A quiet idle decided the top spot: the AC Infinity CloudPlate T7's thermostat keeps it near silent until the rack warms up, which matters when the rack lives in a den. The old list dated to 2021 and needed a cleanup. The Middle Atlantic Quiet is no longer available here, and the Tripp Lite SRFAN3U only fits that brand's own SmartRack cabinets. We dropped the Ares Vision 6 over mixed owner reports, the Rockville RRF4 because it has no stated warranty and only displays the temperature, and the NavePoint 3 Cooling System because the Griffin UltraQuiet X does the same job for much less.
The CloudPlate T1, CloudPlate T9-N, Tupavco TP1701 and AirPlate S9 stay, and the CloudPlate T2 joins for cabinets with vented roofs. Seven is a short list on purpose. Few makers publish real specs for these, and the rest of the field is near-copies.
We found no independent lab tests of rack fans. We compared the makers' airflow, noise and warranty figures with owner reports on fit and fan noise, and checked recall databases. Noise and airflow numbers come from the makers, so the text says so.
January 19, 2021:
These systems need to be durable enough to withstand long hours of daily use, and one brand, AC Infinity, dominates the market with its reliable range of products. With four of their items already on our list, they remain well represented here, so we added two very different units to our list in this latest update.
Firstly, the Rockville RRF4 was included, as this brand is fast becoming a recognized name in the audio-visual industry for its good value and quality. This item in particular boasts four high-powered fans in its thin enclosure, as well as a digital display, for a fraction of the price of many competitors' equivalent products.
Next up is the single-unit Ares Vision 6, which has six vertically-facing fans creating up to 250 cubic feet per minute of airflow within the rack unit. This is sufficient to create impressive results in larger installations such as server rooms, but can also be used in environments that require relative quiet, as its operating level falls below 44 weighted decibels, or around four times the volume of human breathing.
September 10, 2019:
Looking back over the previous ranking of this category, there were some issues that we wanted to clean up, particularly in the differentiation going on between intake and exhaust fans. Now, in an ideal setup, a rack would contain at least one intake fan near the bottom and an exhaust fan near the top, so as to create airflow from the cooler part of the room and provide a viable escape for any heat that your components generate (which naturally rises, as per the laws of thermodynamics). Unfortunately, this layout can't always be achieved, either for financial or practical purposes; the user may not be able to afford more than one fan at this time, or they might have limited space in their current rack. That necessitates a choice between intake and exhaust, and exhaust is the winner in just about every scenario you could create, as removing heat from your components takes precedence.
Now, there was one model of rack fan on our previous ranking that was an intake and another that was an exhaust from the exact same point in AC Infinity's lineup, the models separated by only a single letter. We removed the intake model and left the exhaust model, replacing that intake model with a smaller, quieter offering from AC Infinity, whose effectiveness, despite its size, earned it our number one slot.
Another important factor in this ranking was noise. If you're running an IT cabinet, this may be a little less of an issue, as it's likely located in a closet somewhere that a little added hum isn't going to bother anyone. For environments like home theaters or recording studios, however, quiet fans are a must, so we saw fit to remove the ProCool SL440B, which made a heck of a lot of noise considering the fact that it only took up one rack space with four small fans.
Special Honors
AtlasIED EFT6-4 This top-mounted 19-inch panel from AtlasIED sits in the open top of the company's own racks and needs a six-unit opening. Dealer spec sheets list four fans moving roughly 400 to 460 cubic feet per minute and drawing 60 watts at 115 volts, and the fans can be turned around from exhaust to intake. It's a professional product sold through AV dealers. atlasied.com
Middle Atlantic Fan Panels Middle Atlantic, now part of Legrand AV, makes rack thermal products for professional installers, including its 3U Quiet Fan Panels and a 2U intake panel whose speed follows an external temperature sensor. They're sold through AV dealers and integrators rather than general retailers. legrandav.com
Exhaust, Intake And Where Each One Goes
It only swaps hot air inside the cabinet for room air, so the room has to be cooler than the gear.
A rack fan doesn't chill anything. It only swaps hot air inside the cabinet for room air, so the room has to be cooler than the gear. Heat rises, which is why exhaust panels belong at the top of a rack and intake panels at the bottom. AC Infinity's own pages say the same: its CloudPlate T9-N and CloudPlate T1-N intake models are meant for the lower part of the rack.
If you can only buy one fan, make it exhaust, placed high. A closed cabinet with no way for heat to escape is the usual reason gear overheats. Most rack gear pulls air in the front and pushes it out the back, so leave the rear open or vented, and fill empty rack spaces with blank panels so hot exhaust doesn't loop back to the front.
For a target, data centers long followed a recommended inlet range of about 64 to 81 degrees Fahrenheit (18 to 27 Celsius) from the engineering group ASHRAE (Wikipedia: Data center). A home rack doesn't need to hit that exactly, but if the air going into your gear is much warmer, a fan is worth it.
Rack Spaces, Depth And Airflow
Rack gear is measured in units. One unit, written 1U, is 1.75 inches tall, and standard racks are 19 inches wide (Wikipedia: 19-inch rack). Fan panels on this list take one, two or three units. A 1U panel is easiest to fit, but small fans move less air: the CloudPlate T1 is rated at 20 to 60 cubic feet per minute (CFM), while the 2U CloudPlate T7 reaches 220 and the 3U panels reach 300.
CFM figures are measured in open air. A packed rack pushes back, so static pressure matters too. AC Infinity is one of the few makers that publishes it, at 2.56 millimeters of water for its larger CloudPlates.
Top-mount trays are a different shape. Instead of a thin front panel, they're deep shelves with fans on top, built to blow heat through a vented cabinet roof. The CloudPlate T2 is 13.5 inches deep, so measure your cabinet's usable depth, not just its rail spacing, before choosing one.
Noise, Thermostats And Power
Maker noise ratings are ranges, and the low end is the slowest speed. AC Infinity's panels are rated from about 8 to 38 dBA depending on model and speed (CloudPlate T9-N specs), so the quiet figure only holds while the rack is cool. Switch-only panels, rated around 43 to 47 dB, run flat out whenever they're on.
That's why a thermostat matters more than the noise rating for a rack in a living space. A probe reads the temperature, and the fans stay slow or off until it passes your setpoint. The AC Infinity controllers add six speeds, an alarm for high heat and a warning if a fan stops.
Power is the last split. AC Infinity runs its fans on a 12-volt wall adapter, at 8 to 12 watts. Most other panels plug straight into a 110-volt outlet and draw 20 to 24 watts. Either way, route the cord away from fan blades, plug it into the rack's power strip so it switches with the gear, and don't treat a fan as protection from fire or failing equipment.
How we researched this
We compared 16 current rack fan panels and trays, read AC Infinity's spec pages for its CloudPlate models, and used published specs for the rest. We analyzed owner feedback patterns and checked each brand against the CPSC recall database. The 3D models are built from published dimensions. Updated October 18, 2026 by Ezvid Wiki Admin.
Frequently asked questions
Do I need a fan in my rack?
Only if the gear runs hot. An open rack in a cool room usually doesn't need one. A closed cabinet packed with amplifiers, servers or network gear often does.
Should a rack fan blow in or out?
If you have one fan, use exhaust at the top of the rack, since heat rises. An intake fan belongs near the bottom, where it can pull in cooler room air.
Can a rack fan cool a hot server?
No fan can make air colder than the room. It replaces hot air in the cabinet with room air, so the room itself has to stay cool.
What does 1U mean on a fan panel?
One rack unit, 1.75 inches of height. A 2U panel is 3.5 inches tall and a 3U panel is 5.25 inches.
Are rack fans loud?
It depends on speed. Thermostat models such as the AC Infinity CloudPlate T7 idle quietly and speed up only when the rack warms. Switch-only panels always run at full speed.
