Rosewill RSV-R4012 4U rackmount server chassis 12 x 3.5" bays
- 4U
- Rackmount
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A 12 V DC enclosed switching supply delivers 80 A at 960 W with active PFC in a slim desktop chassis
This unit delivers 12 volts at up to 80 amps for a continuous 960 watts in a slim enclosed chassis. It is built for rack or desktop servers that need dense, reliable DC power without a bulky form factor. The integrated PFC function helps maintain a clean input current waveform.
The enclosed switching design keeps internal temperatures stable under sustained load while the fan runs only as fast as required. Typical acoustic output stays low enough for office-adjacent server rooms. Power factor correction reduces reactive draw, so the unit pulls closer to true watts from the mains.
The slim desktop profile slides into shallow racks or pedestal cases where full-height supplies will not fit. Standard screw mounting points align with common server chassis rails. A single 12 V output rail simplifies wiring harnesses and leaves more room for drive bays or expansion cards.
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| Size & build | |
|---|---|
| Chassis style | Desktop |
Mount the enclosed switching supply in the desktop chassis using its built-in fixing holes, then connect the AC input and DC output terminals; the step often missed is verifying the PFC function is active before applying full load.
The enclosed design has no user-serviceable parts; plan to replace the entire 12VDC 80A supply once the internal electrolytic capacitors reach end of life, typically after several years of continuous operation.
The 960W continuous output rating at 12VDC 80A is the first limit; exceeding it triggers over-power protection and shuts the unit down until the load is reduced.
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