💨 Stay cool, stay ahead — airflow that means business.
The DB04028B12U is a compact 40x40x28mm 12V fan featuring dual ball bearings for enhanced durability and a 4-wire PWM interface for precise speed control. Delivering up to 23.78 CFM airflow at 15000 RPM with a noise level of 54 dB, it offers powerful cooling with a long 70,000-hour lifespan, ideal for high-performance servers and demanding electronics.
| ASIN | B07ZDB4FPT |
| Air Flow Capacity | 23.78 Cubic Feet Per Minute |
| Brand | OHMITCL |
| Compatible Devices | Server |
| Cooling Method | Air |
| Cooling method | Air |
| Customer Reviews | 4.4 out of 5 stars 66 Reviews |
| Item Dimensions L x W x H | 40L x 28W x 40H millimetres |
| Manufacturer | COCO |
| Manufacturer Part Number | C0149 |
| Material | Plastic |
| Max Rotational Speed | 15000 RPM |
| Model Number | C0149 |
| Noise Level | 54 Decibels |
| Power Connector Type | 4-Pin |
| Power connector type | 4-Pin |
| Product dimensions | 40L x 28W x 40H millimetres |
| UPC | 730709034418 |
| Unit Count | 1.0 count |
| Voltage | 12 Volts |
| Wattage | 7.92 watts |
C**.
They move air !
These fans work really well !!! they move a ton of air. I put 2 of these on a Tesla P40 and they keep it really cool... of course, they are noisy, but cool = noisy. If your looking for something to move air, choose these ! really impressed
T**.
Powerful fan to cool a powerful rc car
Works great and puts out a very nice amount of air. I use this fan to cool the esc on my 6s 1/7 arrma Mojave and it has taken the temps down from 140f+ on a 70f day to no more than 114f. I no longer have to let the esc cool down it has yet to even reach 120f with this fan. The only downsides are you have to find a way to connect it to a power source and the volume is loud. I chose pwm to usb with 5v step up in line and a 10000mah power bank this works wonders and allows me to keep the fan at whatever speed i want. In terms of volume it doesn't bother me its on a car that makes much more noise than the fan when its moving but if you're planning on using it for a server or anything indoors make sure you need this much air and/or don't care about loud fans.
D**N
Big difference from stock single bearing
Spins up faster
R**E
Very powerful
Excellent fan very very powerful. Very high airflow. I run this on a 4S Lipo to cool off my RC motors.
C**9
Loud
Kind of loud at high speed.
Trustpilot
1 month ago
4 days ago