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Rectangular metal 1U server power supply unit with hot-swap handle and rear connector

Supermicro

Supermicro PWS-751P-1R 1U 750W 80 Plus Platinum Hot Swap Redundant Power Supply

SKU CH-QXN5-98ZRW

1U 750 W 80 Plus Platinum hot-swap redundant PSU with 90 % efficiency and 100–240 V input

  • Max wattage750 W
  • Power efficiency> 90%
  • AC input frequency50/60 Hz
  • Supply voltage100–240 V
  • Frequency47–63 Hz
  • 750 W output supports dense server workloads
  • 80 Plus Platinum efficiency exceeds 90 % at typical loads
  • Hot-swap design allows replacement without system downtime
  • Redundant architecture keeps systems running during a module failure
  • Wide 100–240 V input suits global rack deployments

Mission-critical server power

The Supermicro PWS-751P-1R delivers 750 W in a 1U redundant hot-swap module certified for 80 Plus Platinum efficiency. It accepts a universal 100 - 240 V input across 47 - 63 Hz and 50/60 Hz ranges. Designed for enterprise chassis that support redundant power bays.

Ideal for dense rack deployments

Suits data-centre operators who need continuous uptime and the ability to replace a unit without shutting down the server. Not suitable for builders using standard ATX cases, non-redundant frames or systems lacking a compatible hot-swap backplane.

80 Plus Platinum efficiency rating

The supply exceeds 90 % efficiency at typical loads, reducing heat output and operating cost in 24/7 environments. This single metric determines whether the unit meets your facility power-budget targets.

How it compares

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

Price $28.99
Cheaper than about 95% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSuperMicro
Part numberPWS-751P-1R
Performance
Frequency47–63 Hz
Power
Max wattage750 W
Power efficiency> 90%
AC input frequency50/60 Hz
Supply voltage100–240 V

Questions about this item

Should I choose the 750 W unit or a lower-capacity model?

The PWS-751P-1R delivers 750 W maximum power; select it when your server configuration needs that headroom.

What does the 80 Plus Platinum rating mean for daily operation?

It certifies the supply exceeds 90 % efficiency at typical loads, reducing waste heat and electricity cost.

How does the 100 - 240 V input range affect deployment?

The unit auto-ranges across 100 - 240 V at 47 - 63 Hz, so it works on global mains without manual switching.

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