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Supermicro 1U redundant server power supply unit with metal casing and handle

Supermicro

Supermicro PWS-1K81P-1R 1U 1800W 80 Plus Platinum redundant server power supply

SKU CH-QD0A-NBGR7

A 1U redundant 1800 W server power supply with 80 Plus Platinum efficiency, hot-swap capability and 200 to 240 V input at 50/60 Hz

  • TypePower Supplies
  • Single/RedundantRedundant
  • Form Factor1U
  • Maximum Power1800W
  • Input Voltage200 - 240 V
  • Input Frequency Range50/60 Hz
  • 80 Plus Platinum efficiency cuts energy waste
  • 1800W output powers dense multi-GPU servers
  • Hot-swap redundant design keeps systems running during module failure
  • 1U form factor fits standard rack shelves
  • 200-240 V input suits global data-centre feeds

Redundant 1U 1800W server power supply

This Supermicro PWS-1K81P-1R is a hot-swap redundant power supply in a 1U form factor. It delivers up to 1800 W of power with 80 Plus Platinum efficiency rated above 90 per cent. The unit accepts 200 to 240 V input at 50 or 60 Hz and is built for mission-critical enterprise servers.

Suited for high-density redundant deployments

It suits data-centre racks that need N+1 redundancy in a single rack unit. Operators who must maintain uptime during module replacement benefit from the hot-swap design. It is not intended for systems that require 200 to 240 V input but cannot accommodate a redundant chassis, nor for environments limited to lower input voltage ranges.

80 Plus Platinum efficiency above 90 per cent

The single specification that decides fit is the certified efficiency exceeding 90 per cent at typical loads. This rating reduces waste heat and operating cost in dense 1U installations. Buyers whose infrastructure cannot meet the 200 to 240 V requirement must select a different power solution.

Points forts

  • 80 Plus Platinum efficiency cuts energy waste
  • 1800W output powers dense multi-GPU servers
  • Hot-swap redundant design keeps systems running during module failure
  • 1U form factor fits standard rack shelves
  • 200-240 V input suits global data-centre feeds

Caractéristiques

BrandSuperMicro
Part NumberPWS-1K81P-1R
TypePower Supplies
Single/RedundantRedundant
Form Factor1U
Maximum Power1800W
Input Voltage200 - 240 V
Input Frequency Range50/60 Hz
Efficiency> 90%

Questions sur cet article

Is the 1800 W rating the right capacity for my 1U redundant build?

The unit delivers up to 1800 W at 200-240 V input, matching the 80 Plus Platinum efficiency target for high-density 1U servers.

What does the > 90 % efficiency figure mean when the supply is installed?

It indicates the supply exceeds 90 % AC-to-DC conversion at typical loads, reducing waste heat and lowering operating cost in a 1U chassis.

How does the 50/60 Hz input range affect deployment?

The supply accepts both 50 Hz and 60 Hz mains, so it operates worldwide on 200-240 V circuits without configuration changes.

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