Power Supplies

0GW3M5 Dell 470-Watts Hot Swap Power Supply for PowerEdge C6100

£88.24 Inc. VAT
£73.53 Excl. VAT
(0 Reviews)

0GW715 Dell 200-Watts Power Supply for XPS One A2010

£432.74 Inc. VAT
£360.62 Excl. VAT
(0 Reviews)

0GX620 Dell 275-Watts Power Supply for GX620 SFF

£70.15 Inc. VAT
£58.46 Excl. VAT
(0 Reviews)

0GYC55 Dell 180-Watts Power Supply for OptiPlex 3040

£172.34 Inc. VAT
£143.62 Excl. VAT
(0 Reviews)

0H0935 Dell Cherokee EMC Power Supply 721-000072-201F

£124.62 Inc. VAT
£103.85 Excl. VAT
(0 Reviews)

0H103 Dell 600w Hot-Plug Power Supply Blank SHELL

£98.35 Inc. VAT
£81.96 Excl. VAT
(0 Reviews)

0H109R Dell 130-Watts Power Supply Unit for Studio One 1909 Vostro 320

£172.34 Inc. VAT
£143.62 Excl. VAT
(0 Reviews)

0H197R Dell 300-Watts Power Supply for Optiplex XE

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

0H230P Dell 230-Watts Power Supply for OptiPlex GX520

£200.28 Inc. VAT
£166.90 Excl. VAT
(0 Reviews)

0H280P Dell 280-Watts Power Supply for OptiPlex GX260 GX280 GX320

£87.24 Inc. VAT
£72.70 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.