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Silver 1U power supply module with rear fan grille and IEC inlet

Supermicro

Supermicro PWS-1K66P-1R 1000W/1600W 80 PLUS Platinum 1U Power Supply Module

SKU CH-MD4X-6K9WY

1U server power module delivering 1000W or 1600W with 80 PLUS Platinum efficiency, active PFC and PMBus monitoring

  • Product typeATX
  • 80 PLUS Platinum efficiency cuts running costs
  • Dual 1000W/1600W output matches varying server loads
  • +12V rail delivers 82A or 132A for high-power components
  • Active PFC improves power quality and stability
  • PMBus support enables remote monitoring and control

1U Platinum Power Module

This Supermicro PWS-1K66P-1R is a 1U form-factor power supply module certified 80 PLUS Platinum. It delivers a total output of 1000W or 1600W with a +12V rail rated at 82A and 132A respectively. The unit includes active PFC and PM Bus monitoring for enterprise deployment.

Suited for dense 1U server racks

The 73.0 x 265.0 x 40.0 mm dimensions fit standard 1U chassis where a redundant or hot-swap module is required. Builders needing a full-size ATX unit for tower cases or a lower-wattage module for lighter loads should consider other form factors.

Dual 1000W/1600W output rating

The single specification that decides fit is the selectable 1000W or 1600W total power with +12V at 82A/132A. Verify your system power budget and backplane connector match this module's rated capacity before purchase.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $97.99
Cheaper than about 68% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameSuperMicro
Product typeATX

Questions about this item

What comes with the PWS-1K66P-1R and what must I purchase separately?

The module is supplied as a standalone 1U unit with PFC and PM Bus. Cables, mounting rails and any redundant chassis are not included and must be sourced separately.

How do I choose between the 1000 W and 1600 W ratings of the PWS-1K66P-1R?

The supply delivers 1000 W on standard input and 1600 W on high-line input, with +12 V rails rated at 82 A and 132 A respectively. Match the rating to your available mains voltage.

What does the 80 PLUS Platinum rating mean for the PWS-1K66P-1R in a live server?

The 80 PLUS Platinum certification confirms high efficiency across typical loads, reducing waste heat and lowering operating cost in a 1U rack environment.

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