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Rectangular silver 1U server PSU with 24-pin, SATA, PCIe and IDE connectors

WMtec

WMtec DPS-400AB-12 400W server power supply

SKU CH-7VMX-BAV73 MPN DPS-400AB-12

Delivers 400W with 24-pin ATX, SATA, IDE and 6-pin PCIe connectors for 1U servers

  • 400W output powers compact 1U servers
  • 21A on the +12V rail feeds CPU and GPU loads
  • 24-pin ATX plus P4, SATA, IDE, HDD and 6-pin PCI-E connectors cover varied builds
  • 15 x 4 x 8 cm form factor fits small chassis
  • 3V 10A, 5V 16A and 5VSB 2A rails support legacy and standby components

400W 1U server power supply

The WMtec DPS-400AB-12 delivers 400W in a 15 x 4 x 8 cm 1U form factor. It provides a 24-pin ATX connector, one P4, one SATA, two IDE, two HDD, one 6-pin PCI-E and a 6P input. Output rails are rated at 3.3V 10A, +5V 16A, +12V 21A and +5VSB 2A.

Suits 1U builds with legacy drives.

This unit fits compact servers or workstations that still use IDE or SATA storage and need a single 6-pin PCI-E connector. Builds requiring multiple PCI-E power cables, higher 12V current or modular cabling should look elsewhere.

21A on the +12V rail

The +12V line supplies up to 21A, which sets the practical limit for CPU and graphics power. Verify that your components stay within this current budget before installing.

Highlights

  • 400W output powers compact 1U servers
  • 21A on the +12V rail feeds CPU and GPU loads
  • 24-pin ATX plus P4, SATA, IDE, HDD and 6-pin PCI-E connectors cover varied builds
  • 15 x 4 x 8 cm form factor fits small chassis
  • 3V 10A, 5V 16A and 5VSB 2A rails support legacy and standby components

Specifications

No published specifications for this item yet.

Questions about this item

Will the 24-pin ATX connector or the 6-pin PCIe plug need replacing first?

Both connectors are part of the fixed cable harness; neither is designed to be user-replaceable, so the entire unit would be swapped if a connector fails.

What is the first limit reached when the +12 V rail runs at 21 A continuously?

The +12 V rail is rated at 21 A; sustained draw at that level hits the rail's current ceiling and will activate the supply's over-current protection.

How much heat and noise should I expect when the unit runs at full 400 W load all day?

The 400 W rating means up to 400 W of waste heat can be produced at full load, and the internal fan will run continuously to dissipate it.

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