A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.
QNAP PSU f/ 2U, 8-Bay NAS power supply unit 300 W

QNAP PSU f/ 2U, 8-Bay NAS power supply unit 300 W

QNAP
£269.99
Allied Telesis 990-003934-00 power supply unit 480 W Grey

Allied Telesis 990-003934-00 power supply unit 480 W Grey

Allied Telesis
£275.99
Allied Telesis AT-SBxPWRSYS2-50 power supply unit 1200 W Black, Grey

Allied Telesis AT-SBxPWRSYS2-50 power supply unit 1200 W Black, Grey

Allied Telesis
£3,590.99
Allied Telesis Hot Swappable power supply module power supply unit Grey

Allied Telesis Hot Swappable power supply module power supply unit Grey

Allied Telesis
£221.99
QNAP PWR-PSU-300W-DT02 power supply unit Silver

QNAP PWR-PSU-300W-DT02 power supply unit Silver

QNAP
£165.99
QNAP PWR-PSU-550W-FS02 power supply unit Grey

QNAP PWR-PSU-550W-FS02 power supply unit Grey

QNAP
£187.99
Cisco C9600-PWR-2KWAC= power supply unit 2000 W Grey

Cisco C9600-PWR-2KWAC= power supply unit 2000 W Grey

Cisco
£2,321.99
QNAP PWR-PSU-1200W-DT01 power supply unit Grey

QNAP PWR-PSU-1200W-DT01 power supply unit Grey

QNAP
£418.99
Cisco C9400-PWR-2100AC= power supply unit 2100 W Black, Grey

Cisco C9400-PWR-2100AC= power supply unit 2100 W Black, Grey

Cisco
£1,615.99
Cisco PWR-RGD-AC-DC= power supply unit Grey

Cisco PWR-RGD-AC-DC= power supply unit Grey

Cisco
£797.99
Cisco 715W AC 80+ PLATINUM CONFIG 1 P/S SPARE power supply unit

Cisco 715W AC 80+ PLATINUM CONFIG 1 P/S SPARE power supply unit

Cisco
£989.99
Cisco PWR-4430-AC power supply unit Grey

Cisco PWR-4430-AC power supply unit Grey

Cisco
£748.99