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Redundant server power supply, silver metal enclosure, single rear fan, IEC inlet, power switch, status LEDs

Supermicro

Supermicro PWS-702A-1R 700W server power supply

SKU CH-E2BV-VBK80 MPN PWS-702A-1R

700 W redundant server power supply delivering +12 V at 58 A, +5 V at 30 A, +3.3 V at 24 A and +5 VSB at 4 A in a 13.58" × 2.99" × 1.58" form factor with one fan

  • TypeConsumer Electronics
  • Maximum Power700W
  • Output Current+12V@58A, +5V@30A, +3.3V@24A, +5VSB@4A
  • Fans1
  • Dimensions13.58" x 2.99" x 1.58"
  • 700 W maximum power supports demanding server workloads
  • +12 V rail delivers up to 58 A for stable CPU supply
  • +5 V rail provides 30 A for peripheral power
  • +3.3 V rail supplies 24 A for logic components
  • Redundant design with single fan ensures continuous operation

Redundant 700 W server supply

The Supermicro PWS-702A-1R delivers 700 W of redundant power in a slim 13.58" x 2.99" x 1.58" form factor. It fits standard hot-swap bays for rackmount servers that require continuous uptime. A single internal fan provides airflow across the module.

Sustained load on the +12 V rail

The +12 V rail is rated for 58 A continuous output, while the +5 V and +3.3 V rails supply 30 A and 24 A respectively. The 5 V standby rail provides 4 A for management controllers. All rails maintain regulation during extended operation without short-term peak inflation.

ATX/EPS connector limits

The unit follows the redundant PSU form factor and pinout defined by the SSI EPS specification. Cable reach and connector count are fixed by that standard, so builders must verify their backplane and motherboard headers match before installation.

Highlights

  • 700 W maximum power supports demanding server workloads
  • +12 V rail delivers up to 58 A for stable CPU supply
  • +5 V rail provides 30 A for peripheral power
  • +3.3 V rail supplies 24 A for logic components
  • Redundant design with single fan ensures continuous operation

Specifications

BrandSuperMicro
ModelPWS-702A-1R
TypeConsumer Electronics
Maximum Power700W
Output Current+12V@58A, +5V@30A, +3.3V@24A, +5VSB@4A
Fans1
Dimensions13.58" x 2.99" x 1.58"
Shipping weight1.98 kg
Package size434 × 191 × 124 mm

Questions about this item

How loud is the single fan in this 700W supply when the system runs continuously?

The unit uses one internal fan; noise level varies with load and chassis airflow, so plan for typical server-grade acoustic output.

Which motherboard power connectors must my board provide for the PWS-702A-1R to function?

This redundant supply requires a compatible 12V main connector, 5V and 3.3V rails, plus a 5VSB standby line — verify your backplane matches these outputs.

Will the 58A 12V rail support older drives and expansion cards I keep in the same chassis?

The +12V@58A, +5V@30A and +3.3V@24A rails deliver ample current for legacy HDDs, PCI cards and fans that draw from those voltages.

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