Supermicro PWS-2K21A-2R · Server PSU

MPN / P/N

PWS-2K21A-2R

Manufacturer designation

2200W 2U Redundant Power Supply

Total Power Output

2200W

Type

Redundant

Type of Power Supply

Power Supply

Form Factor

2U

Dimension (W x H x L)

106.5 x 203.3 x 82.4 mm

+5V

N/A

+12V

100A (1200W) 165A (1980W) 166.6A (2000W) 174.17A (2090W) 183.33A (2200W)

+3.3V

N/A

5V Standby

N/A

Input Voltage Range

100-127Vac / 1200W 200-220Vac / 1800W 220-230Vac / 1980W 230-240vac / 2090W (TUV/CB) 220-240Vac / 2200W (UL/cUL only) 180-220Vac / 2090W (UL/cUL only) 230-240Vdc / 2090W (CQC only)

Input Frequency Range

50-60Hz

Input Current Range

100-127Vac / 12 – 9.5A 200-220Vac / 10 – 9.5A 220-230Vac / 10 – 9.5A 230-240Vac / 10 – 9.8A 220-240Vac / 11.8 – 9.6A (UL/cUL only)

Output Type

Gold Finger

8Pin / 4Pin (12V) Connector

N/A

PFC

N/A

Voltage / Current

Yes

Energy Efficiency

96% Peak

80 Plus Certification

80 Plus Titanium

Validated Systems

SYS-4028GR-TVRT, SYS-4028GR-TXR, SYS-4028GR-TXRT, SYS-4029GP-TVRT

Selection limits

Exact manufacturer replacement module. Validate original system BOM, dimensions, connector, revision and ratings; no universal compatibility. Input-voltage derating and country-specific DC approvals are preserved in specifications.

Specification source: Supermicro ↗
Checked against documentation: 16.10.2026