OHMITCL
DB04028B12U 40mm Fan 4cm 4028 40x40x28mm 12V 0.66A Dual Ball Bearing 4-Wire 4pin PWM Server Power Airflow Cooling Fan
Bottom line: The DB04028B12U 40mm Fan 4cm 4028 40x40x28mm 12V 0.66A Dual Ball Bearing is a specs-and-price decision rather than a crowd-consensus one in the retro cpu coolers & fans category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Model DB04028B12U
- ✓ Backed by OHMITCL's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Model DB04028B12USize 40¡Á40¡Á28mmBearing: Double ball bearingInterface 4-wire interfaceVoltage: 12VCurrent: 0.66APower: 7.92WOperating voltage: 7.0-13.4VSpeed up to 15000RPM¡À10%Radiator noise 54 dBMaximum air volume: 23.78 CFM (cubic feet per minute)=0.673 m3/min(m3/min)Maximum wind pressure: 1.32 inH2O (inch/water) = 33.65 mmH2O(mm/water)Fan life 70000 hours
SpecPicks Verdict
SpecPicks scored DB04028B12U 40mm Fan 4cm 4028 40x40x28mm 12V 0.66A Dual Ball Bearing… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. OHMITCL's retro cpu coolers & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Model DB04028B12U
- Bearing: Double ball bearing
- Voltage: 12V
- Current: 0.66A
- Interface 4-wire interface
Full Specifications
| Brand | OHMITCL |
|---|---|
| Model | C0149 |
| Bearing | Double ball bearing |
| Current | 0.66A |
| Voltage | 12 volts |
| Wattage | 7.92 watts |
| Material | Copper |
| Dimensions | 40x40x28mm |
| Unit Count | 1 Count |
| Noise Level | 54 db |
| Part Number | C0149 |
| Material Type | Copper |
| Cooling Method | Air |
| Number of Items | 1 |
| Number of Packs | 1 |
| Air Flow Capacity | 23.78 cfm |
| Compatible Devices | Server |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 15000 rpm |
| Item Dimensions L x W x H | 1.57"L x 1.1"W x 1.57"H |
Ready to buy?
DB04028B12U 40mm Fan 4cm 4028 40x40x28mm 12V 0.66A Dual Ball Bearing 4-Wire 4pin PWM Server Power Airflow Cooling Fan is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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