Rosewill RSV-R4012 4U rackmount server chassis 12 x 3.5" bays
- 4U
- Rackmount
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Quad-output desktop chassis delivering 210 W across 3.3 V, 5 V and ±15 V rails with active PFC and forced-air cooling
This 210 W unit delivers four regulated rails — 3.3 V, 5 V, +15 V and -15 V — from a single desktop chassis. It suits builders assembling compact servers or industrial PCs that need multiple low-voltage lines without stacking separate modules.
Replacing a single-output supply or one rated below 150 W adds the +/-15 V rails many expansion cards and legacy boards require. The jump is worthwhile when your new backplane or add-in cards demand simultaneous 3.3 V, 5 V and bipolar 15 V power.
Confirm your load stays within 15 A on the 5 V rail and 0.7 A on the 3.3 V rail. Ensure the chassis airflow can support forced-air cooling, as convection alone is rated only up to 100 W.
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| Size & build | |
|---|---|
| Chassis style | Desktop |
The QP-200-3C delivers 3.3V, 5V, and ±15V rails with respective currents of .7A, 5A, and 15A for a total of 210W.
The forced-air cooling fan is factory-mounted inside the desktop chassis; connect the AC input to a universal mains supply and ensure the fan exhaust path remains unobstructed.
Inspect the built-in DC fan annually for dust buildup and bearing noise; replace it if airflow drops or the over-temperature protection triggers at 200–320W load.
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