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Compact metal FLEX ITX 1U 400W PSU with built-in fan and multiple connectors

YINGHUA

YINGHUA FLEX ITX 1U 400W server power supply

SKU CH-KM8S-MP2CY

A 400 W Flex ITX power supply with over-current, over-voltage and short-circuit protection for 1U servers and compact PCs

  • 400 W continuous power keeps 1U systems running 24 hours at 40 °C
  • Compact 161 × 80 × 40 mm metal chassis fits tight ITX enclosures
  • Multiple protection circuits guard against overcurrent, overvoltage and short circuits
  • Built-in cooling fan maintains stable temperatures under load
  • 24-pin, 8-pin (4+4), 8-pin (2+6), 4-pin and Sata connectors cover diverse builds

Compact 400 W Flex ATX power supply

The YINGHUA FLEX ITX 1U delivers 400 W of continuous power at a 40 °C operating temperature for 24-hour operation. Its 161 x 80 x 40 mm metal chassis fits 1U rack mounts and small-form-factor desktops such as cash-register terminals. The unit targets builders who need reliable DC power in a space-constrained enclosure. It is not suited for systems that require higher wattage or additional PCIe connectors beyond what is listed.

24-pin ATX with multiple 8-pin and SATA outputs

A single 24-pin ATX connector feeds the motherboard while one 8-pin (4+4) and one 8-pin (2+6) supply CPU and auxiliary power. Four-pin peripheral and SATA leads handle drives and accessories. The built-in cooling fan exhausts through the metal housing, and the active design includes overcurrent, overvoltage and short-circuit protection. Each unit undergoes high-temperature aging before shipment.

Quiet 24-hour operation at rated load

The supply maintains its 400 W rating continuously at 40 °C ambient, indicating stable thermal performance under sustained load. Protection circuits guard against fault conditions without user intervention. The compact metal case and integrated fan keep acoustics low enough for office or retail environments. Power draw scales with the connected hardware, so actual consumption depends on the system configuration.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $174.99
Pricier than about 64% of the 3,798 comparable items (median $131.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the 24-pin ATX connector on this 400 W FLEX ITX unit deliver the full 400 W continuously at 40 °C?

Yes, the supply is rated for 400 W continuous output at 40 °C ambient for 24-hour operation.

Will the 161 mm length and 40 mm height fit my 1U rack chassis?

The unit measures 161 mm long, 80 mm wide and 40 mm high, matching the standard 1U FLEX ITX form factor.

How do I connect the 8-pin (4+4) CPU and 8-pin (2+6) PCIe cables without forcing the split?

Separate the two halves of each 8-pin plug and insert only the 4-pin or 6-pin section your motherboard or card requires.

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