Power Supplies

Explore our selection of power supplies at The IT Bay; we stock a variety of PSUs to power a range of computing and electronic devices. In-stock items ordered via our website before 5pm typically ship on a next-day basis and we provide free delivery to most UK locations. You can use the provided filters to narrow down the product range according to your needs and preferences. Please remember to check compatibility with your equipment before purchasing.

Apple Wireless Charging Case charging case
MR8U2ZM/A

As low as £76.81 £92.17

Add to Compare
HPE network device power adapter shelf
J9820A

As low as £40.17 £48.20

Add to Compare
HPE FlexFabric DC Power Supply - power supply - hot-plug / redundant - 450 Watt
JL688A

As low as £1,247.76 £1,497.31

Add to Compare
Apple 12W USB Power Adapter power adapter - USB - 12 Watt
MGN03B/A

As low as £16.04 £19.25

Add to Compare
HPE Aruba - power supply - 1100 Watt
J9829A

As low as £1,000.00 £1,200.00

Add to Compare
HPE Aruba - power adapter - 50 Watt
R3X86A

As low as £18.72 £22.46

Add to Compare
Dell Single (1+0) - power supply - hot-plug - 600 Watt
450-AKPR

As low as £164.08 £196.90

Add to Compare
APC - rack rail kit
SRTRK2

As low as £228.39 £274.07

Add to Compare
APC - rack rail kit
SRTRK4

As low as £177.28 £212.74

Add to Compare
APC Smart-UPS Output Hardwire Kit - UPS hardwire kit
SRT001

As low as £234.66 £281.59

Add to Compare
HPE Aruba AP-POE-ATSR 1-Port Smart Rate midspan - PoE injector - 30 Watt
R6P67A

As low as £87.09 £104.51

Add to Compare
Lenovo ThinkPad 65W AC Adapter (Slim Tip) - power adapter - 65 Watt
0A36263

As low as £37.18 £44.62

Add to Compare

Buying a power supply

When choosing a suitable power supply, consider the following factors:

Wattage

Determine the total power requirements of your system, including all components and peripherals, and select a power supply with an appropriate wattage rating. It is generally advisable to opt for a power supply with some headroom above your calculated power needs for optimal performance and future upgrades.

Efficiency

Look for power supplies with a high efficiency rating, such as 80 PLUS Bronze, Silver, Gold, Platinum, or Titanium. These ratings indicate that the power supply converts a higher percentage of AC power to DC power, reducing energy consumption and heat output.

Form Factor

Ensure that the power supply's form factor, such as ATX, SFX, or TFX, is compatible with your system's case and motherboard.

Cabling

Consider whether you prefer a fully modular, semi-modular, or non-modular power supply. Fully modular power supplies allow for greater flexibility and cable management, while non-modular and semi-modular options are generally more cost-effective.

Cooling and Noise

Evaluate the power supply's cooling capabilities and noise output. Choose a power supply with a high-quality, quiet fan to maintain optimal temperatures without disrupting your work or gaming environment.