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Supermicro / Server power supplies

Supermicro PWS-281-1H · 280W 1U Multi-Output Power Supply (PWS-281-1H)

P/N: PWS-281-1H

Server power supply module

Power module for a compatible server platform. Output depends on input voltage; confirm connector, distribution board, chassis and airflow. Total Power Output: 280W / 330W · Type of Power Supply: Power Supply · Form Factor: 1U

Enquire ↗+998 77 161 11 11 ↗ +998 97 741 55 00 ↗
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01 / Specifications
MPN / P/N
PWS-281-1H
Manufacturer model
Supermicro 280W 1U Multi-Output Power Supply (PWS-281-1H)
Total Power Output
280W / 330W
Type of Power Supply
Power Supply
Form Factor
1U
Dimension (W x H x L)
100 x 40.3 x 220 mm
+5V
18A
+12V
23A /27A
+3.3V
15A
5V Standby
2A
Input Voltage Range
100-140V/ 180-240V
Input Frequency Range
50Hz/ 60Hz
Input Current Range
5A Max
Output Type
24Pin ATX Cable Output
8Pin / 4Pin (12V) Connector
4-Pin
PFC
Yes
Product Environmental Compliance
RoHS and REACH compliant, details available upon request
Documented selection limits
Power rating depends on the exact AC/DC input range and configuration listed in the source. N+1/redundant capability does not mean every installation includes redundant modules. Verify approved chassis, connector/power distribution board, airflow direction, input voltage, cable and firmware/PMBus requirements.

Specification source: Supermicro ↗
Checked against documentation: 17.10.2026

Reference catalogue for quotation requests. Availability, production status, condition, price, lead time and warranty are individually confirmed. A listed part number is not a stock claim.

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