A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.
MSI MEG AI1300P PCIE5 power supply unit 1300 W 24-pin ATX ATX Black

MSI MEG AI1300P PCIE5 power supply unit 1300 W 24-pin ATX ATX Black

MSI
£281.99
MSI MPG A850G PCIE5 power supply unit 850 W 24-pin ATX ATX Black

MSI MPG A850G PCIE5 power supply unit 850 W 24-pin ATX ATX Black

MSI
£111.99
MSI MAG A650BN UK PSU '650W, 80 Plus Bronze certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan

MSI MAG A650BN UK PSU '650W, 80 Plus Bronze certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, Non-Modular, Sleeved Cables, ATX Power Supply Unit, UK Powercord, Black'

MSI
£55.99
MSI MAG A550BN UK PSU '550W, 80 Plus Bronze certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan

MSI MAG A550BN UK PSU '550W, 80 Plus Bronze certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, Non-Modular, Sleeved Cables, ATX Power Supply Unit, UK Powercord, Black'

MSI
£46.99
NETGEAR APS750W power supply unit 750 W Grey

NETGEAR APS750W power supply unit 750 W Grey

Netgear
£478.99
NETGEAR APS1000W power supply unit 1000 W Silver

NETGEAR APS1000W power supply unit 1000 W Silver

Netgear
£687.99
Corsair RM850e power supply unit 850 W 24-pin ATX ATX Black

Corsair RM850e power supply unit 850 W 24-pin ATX ATX Black

Corsair
£123.99
be quiet! PURE POWER 12 1000W power supply unit 20+4 pin ATX ATX Black

be quiet! PURE POWER 12 1000W power supply unit 20+4 pin ATX ATX Black

be quiet!
£108.99
VIDA ATX-500W-WHT power supply unit 20+4 pin ATX White

VIDA ATX-500W-WHT power supply unit 20+4 pin ATX White

VIDA
£31.99
be quiet! PURE POWER 12 850W power supply unit 20+4 pin ATX ATX Black

be quiet! PURE POWER 12 850W power supply unit 20+4 pin ATX ATX Black

be quiet!
£88.99
VIDA 850W Heracles Black ATX 3.1 Gaming PSU, 80+ Gold, Fully Modular, 140mm Ultra-Quiet FDM Fan, Flat Black

VIDA 850W Heracles Black ATX 3.1 Gaming PSU, 80+ Gold, Fully Modular, 140mm Ultra-Quiet FDM Fan, Flat Black Cables, PCIe 5.1, Power Lead Not Included

VIDA
£67.99
VIDA Heracles power supply unit 650 W 20+4 pin ATX ATX Black

VIDA Heracles power supply unit 650 W 20+4 pin ATX ATX Black

VIDA
£41.99