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Silver and black 2U server power supply with dual 6cm fans

Ruth's sister

Ruth's sister 300W 400W 2U server power supply SD-5300 U2P

SKU CH-SVHR-XQTGJ

A 2U server power supply delivering 300W to 400W with active PFC, 80 PLUS Gold efficiency, and a 20+4 pin interface

  • 300 W or 400 W output handles demanding server loads
  • Active PFC corrects power factor for efficient AC use
  • 80 PLUS Gold certification reduces wasted energy and heat
  • 90-264 V input works on global mains voltages
  • Two SATA connectors power storage drives directly

400 W 2U server power supply

This 2U form-factor unit delivers up to 400 W for rack-mount servers and industrial PCs. It accepts a wide 90-264 V AC input and meets 80 PLUS Gold efficiency. The non-modular design includes a 20+4 pin main connector, a 4-pin CPU connector and two SATA power leads. Two 6 cm dual ball-bearing fans provide cooling.

Active PFC and fixed cable limits

Active power-factor correction smooths the 100-240 V AC draw across the 90-264 V range. The non-modular loom means every cable is permanently attached, so unused leads must be routed inside the chassis. Only two SATA power connectors are supplied, limiting the number of directly powered drives. No PCIe 12 V graphics connectors are present.

400 W maximum output

The 400 W peak rating is the single figure that determines whether this unit can support a given server build. Systems whose combined CPU, memory, storage and add-in card draw exceeds this limit will require a higher-capacity supply.

Highlights

  • 300 W or 400 W output handles demanding server loads
  • Active PFC corrects power factor for efficient AC use
  • 80 PLUS Gold certification reduces wasted energy and heat
  • 90-264 V input works on global mains voltages
  • Two SATA connectors power storage drives directly

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 300W or the 400W rating for my build?

The unit delivers up to 400W continuous power; the 300W figure is a lower operating point, so choose 400W if your components need the full headroom.

What does the 400W rating mean once the supply is installed in a server?

It means the PSU can sustain 400W output across all rails combined while meeting 80 PLUS Gold efficiency at typical loads.

The 20+4 pin interface — what does it cap in practice?

The 20+4 pin connector fits standard ATX/EPS motherboards and the 4-pin CPU plug supplies the processor; total draw is limited by the 400W rating.

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