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Rectangular silver server PSU, 140 by 86 by 150 mm, 300 W, 80 Plus Silver

WMtec

WMtec PWS-305-PQ 300W Server Power Supply

SKU CH-NE0X-G6YZD

A 300 W server power supply with 80 Plus Silver efficiency, validated for Supermicro SYS-5037C-i, SYS-5038D-I and SYS-5039D-i systems in CSE-731 chassis

  • 300 W output powers compatible Supermicro servers
  • 80 Plus Silver certification confirms 85 % peak efficiency
  • 100–240 Vac auto-ranging input suits global deployments
  • Compact 140 × 86 × 150 mm mid-tower form factor fits validated chassis
  • Included 24-pin ATX, 4-pin CPU, four SATA and legacy connectors support diverse drives

Replacement PSU for Supermicro Systems

The WMtec PWS-305-PQ is a new 300W server power supply built to the PS2/ATX form factor. It delivers 85% peak efficiency and carries 80 Plus Silver certification. The unit measures 140 x 86 x 150 mm and accepts a universal 100-240Vac input at 50-60Hz.

Suits owners of validated Supermicro servers

This supply is validated for SYS-5037C-i, SYS-5038D-I and SYS-5039D-i systems housed in CSE-731D-300B or CSE-731i-300B chassis. Builders working with different chassis, higher wattage requirements or redundant power configurations should look elsewhere.

Fixed cable harness with 24-pin ATX output

The PSU ships with a non-modular loom that includes one 24-pin ATX motherboard connector, one 4-pin 12V CPU connector, two 4-pin legacy HDD connectors, one 4-pin floppy or DVD connector and four SATA power connectors.

How it compares

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

Price $405.99
Pricier than about 90% 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

Will the 140 x 86 x 150 mm PS2/ATX form factor fit my CSE-731D-300B chassis?

Yes, this PWS-305-PQ unit is validated for the CSE-731D-300B and CSE-731i-300B chassis, matching the 140 x 86 x 150 mm dimensions and PS2/ATX form factor.

How do I connect the 24-pin ATX and 4-pin 12V cables to a Supermicro SYS-5038D-I motherboard?

Plug the single 24-pin ATX connector into the motherboard main power socket and the 4-pin 12V cable into the CPU power header; both cables are fixed to the unit.

When should I plan to replace this 300 W Silver-rated supply in a 24/7 server?

With 85 % peak efficiency and 80 Plus Silver rating, typical continuous-load life is several years; monitor fan noise and voltage stability as early wear indicators.

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