Power Supplies

100-N1-0550-L1 EVGA 550 N1 550-Watts ATX 12V / EPS 12V Power Supply

£129.59 Inc. VAT
£107.99 Excl. VAT
(0 Reviews)

100-N1-0650-L1 EVGA 650 N1 650-Watts ATX Power Supply

£147.28 Inc. VAT
£122.73 Excl. VAT
(0 Reviews)

100-N1-0750-L1 EVGA 750 N1 750-Watts ATX 12V / EPS 12V Power Supply

£151.01 Inc. VAT
£125.84 Excl. VAT
(0 Reviews)

100-W1-0500-KR - Strategic Sourcing Evga 500W 80Plus Power Supply

£142.26 Inc. VAT
£118.55 Excl. VAT
(0 Reviews)

10010609-001 EMC 150-Watts ATX Power Supply

£116.56 Inc. VAT
£97.13 Excl. VAT
(0 Reviews)

1003116112999-CTO - Dell Cto 580-Watt Power Supply

£848.88 Inc. VAT
£707.40 Excl. VAT
(0 Reviews)

100475-001 Compaq 110V Power Supply

£215.51 Inc. VAT
£179.59 Excl. VAT
(0 Reviews)

101881-001 HP 150-Watts Power Supply for Armada Station EM

£263.80 Inc. VAT
£219.83 Excl. VAT
(0 Reviews)

102927-001 Compaq 120V Power Supply for Deskpro 286

£201.24 Inc. VAT
£167.70 Excl. VAT
(0 Reviews)

1031818 - Smart Power Supply Podium Sp624

£162.71 Inc. VAT
£135.59 Excl. VAT
(0 Reviews)

105-000-140 EMC Brocade 2000-Watts Power Supply

£224.16 Inc. VAT
£186.80 Excl. VAT
(0 Reviews)

Power Supplies for Desktop PCs, Workstations and Servers

The right Power Supply is more than a wattage rating printed on a specification sheet. It determines how electrical power reaches the components inside a computer and must match the system's physical design, connector requirements, and expected load. From replacing an aging desktop PSU to sourcing a proprietary server power module, choosing compatible hardware is essential.

Computer Power Supplies for Every Build

For desktop computers, ATX power supplies are a common choice, while compact systems may require SFX, TFX, Flex ATX, or other form factors. Gaming PCs and high-performance workstations can demand substantial power capacity and dedicated GPU connectors, whereas office systems may have considerably lower requirements.
Features such as modular cabling, 80 PLUS efficiency, active PFC, PCIe power connectors, EPS connectors, multiple output rails, and quiet cooling can influence the suitability of a PSU for a particular build. Modular power supplies are especially useful when clean cable management and airflow are priorities.
Enterprise hardware introduces different requirements. Server power supplies can use hot-swappable modules, redundant configurations, and proprietary form factors. In compatible servers, dual or multiple PSUs can provide power redundancy, allowing maintenance or a failed module to be handled without necessarily taking the entire system offline.

Leading Power Supply Brands

Our selection can include products from well-known manufacturers such as Corsair, Seasonic, EVGA, Thermaltake, Cooler Master, be quiet!, SilverStone, FSP, Antec, ASUS, Super Flower, Delta, Dell, HPE, Lenovo, and Intel. These brands cover consumer PCs, gaming systems, professional workstations, rack servers, and enterprise computing hardware.

Match the PSU to the Hardware

When selecting a replacement power supply, compatibility goes beyond wattage. Check the form factor, input voltage, output ratings, motherboard connector, CPU power connection, graphics-card requirements, drive connectors, dimensions, and manufacturer-specific specifications before installation.
Browse our Power Supplies collection for desktop PSUs, modular units, server power modules, replacement supplies, and specialized power hardware. Whether you're building a new PC, upgrading a workstation, or maintaining server equipment, find a PSU suited to the hardware it needs to power.