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Rectangular silver 1U server PSU 14.17 x 2.99 x 1.57 inches

Supermicro

Supermicro PWS-1K41P-1R 1400W server power supply

SKU CH-APD4-7GF10 MPN PWS-1K41P-1R

A 1400 W 1U redundant server power supply with 80Plus Gold efficiency, a 24-pin main connector and +12 V output up to 116 A

  • Max wattage1400 W
  • Main power connector24Pin
  • Output current+12 V@92/116A, +5VSB@4A
  • Product typeConsumer Electronics
  • Product dimensions14.17 inx 2.99 in × 1.57 in
  • Delivers 1400 W for high-density server loads
  • 80 Plus Gold efficiency cuts energy waste
  • 1U redundant form factor fits tight racks
  • +12 V rail supplies up to 116 A for demanding CPUs
  • 24-pin main connector ensures broad motherboard compatibility

1400W 1U redundant power supply

The Supermicro PWS-1K41P-1R is a 1400W server power supply built for 1U redundant configurations. It delivers up to 116A on the +12V rail and 4A on the +5VSB rail. The unit carries 80Plus Gold efficiency certification. It suits operators who need high-density, hot-swap power for rackmount systems.

Check 24-pin main connector and rail limits

Verify that your server backplane accepts a standard 24Pin main connector before ordering. Confirm the chassis supports 1U redundant form factors measuring 14.17" x 2.99" x 1.57". Ensure the +12V current rating of 92A to 116A matches the load profile of your installed components. The +5VSB output is rated at 4A for auxiliary functions.

Replaces lower-watt 1U redundant units

This supply replaces 1U redundant modules with lower maximum power when the platform demands 1400W capacity. The jump is worth it when existing units hit their +12V current ceiling or when efficiency gains from 80Plus Gold reduce operating cost. It is not for builds that require a different main connector pinout or a non-redundant form factor.

How it compares

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

Price $187.99
Pricier than about 67% of the 3,798 comparable items (median $131.99).
Max wattage 1400 W
Higher than about 85% of the 235 comparable items (median 668 W).

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Specifications

Product
Brand nameSuperMicro
Model namePWS-1K41P-1R
Product typeConsumer Electronics
Power
Max wattage1400 W
Main power connector24Pin
Output current+12 V@92/116A, +5VSB@4A
Size & build
Product dimensions14.17 inx 2.99 in × 1.57 in
Shipping weight2.13 kg
Package size437 × 184 × 102 mm

Questions about this item

What comes with the PWS-1K41P-1R and what must I source separately?

The unit is a 1U redundant power supply rated at 1400 W with a 24-pin main connector; a matching redundant chassis cage and an AC power cord are not included.

How do I decide between the 92 A and 116 A +12 V ratings for this 1400 W model?

The 92 A figure applies at the lower input voltage range while 116 A is available at the higher input voltage range; choose based on your facility's AC supply.

What does the 1400 W rating mean once the supply is installed in a server?

It delivers up to 1400 W total with +12 V at 92 A or 116 A depending on input voltage and +5 VSB at 4 A, fitting a 1U form factor of 14.17 x 2.99 x 1.57 inches.

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