• Sale
  • Blogs
  • How to use
  • About us
  1. Start
  2. ∕
  3. Computing
  4. ∕
  5. Components
  6. ∕
  7. PSU Units

PSU Units on sale

Try flexible payments with

KlarnaLearn how
ATX
SFX
Filter
  • PSU Units
Product Properties
Connections
Cooling
Measures

41 products

Show as table
PSU Units on sale Corsair RM850x (2024) 850W
-12%

Corsair RM850x (2024) 850W

Gold 80 PLUS Certification

£99.98£113.58
Or 3 interest-free payments of £33.32/mo.*
9+stores
PSU Units on sale Be Quiet! Pure Power 12 M 1000W
-43%

Be Quiet! Pure Power 12 M 1000W

Gold 80 PLUS Certification

£70.99£125.00
Or 3 interest-free payments of £23.66/mo.*
9+stores
PSU Units on sale Gigabyte UD750GM 750W
-12%

Gigabyte UD750GM 750W

4.5

Gold 80 PLUS Certification

£75.22£85.28
Or 3 interest-free payments of £25.07/mo.*
2stores
PSU Units on sale MSI MAG A850GL PCIe5 White Power Supply
-18%

MSI MAG A850GL PCIe5 White Power Supply

Gold 80 PLUS Certification

£101.99£123.95
Or 3 interest-free payments of £33.99/mo.*
9+stores
PSU Units on sale Be Quiet! Pure Power 12 1000W
-16%

Be Quiet! Pure Power 12 1000W

Gold 80 PLUS Certification

£79.96£95.48
Or 3 interest-free payments of £26.65/mo.*
9+stores
PSU Units on sale NZXT C Series 850W Power Supply
-16%

NZXT C Series 850W Power Supply

Gold 80 PLUS Certification

£99.00£117.99
Or 3 interest-free payments of £33.00/mo.*
6stores
PSU Units on sale Be Quiet! System Power 9 CM 700W
-14%

Be Quiet! System Power 9 CM 700W

5.0

Bronze 80 PLUS Certification

£69.59£80.94
Or 3 interest-free payments of £23.19/mo.*
6stores
PSU Units on sale Corsair RM850x Shift White Gold 850W ATX 3.0 CP-9020274-UK
-17%

Corsair RM850x Shift White Gold 850W ATX 3.0 CP-9020274-UK

Gold 80 PLUS Certification

£99.98£119.99
Or 3 interest-free payments of £33.32/mo.*
5stores
Antec CSK550DC 550W 80PLUS Bronze ATX Power Supply
-20%

Antec CSK550DC 550W 80PLUS Bronze ATX Power Supply

£39.98£49.95
Or 3 interest-free payments of £13.32/mo.*
5stores
Coolbox COO-FA250-TGLD 250W ATX Power Supply
-29%

Coolbox COO-FA250-TGLD 250W ATX Power Supply

Gold 80 PLUS Certification

£34.00£48.00
Or 3 interest-free payments of £11.33/mo.*
4stores
Gamemax GP650V2 650W 80 Plus
-12%

Gamemax GP650V2 650W 80 Plus

£34.99£39.98
Or 3 interest-free payments of £11.66/mo.*
4stores
Vida 850W Heracles Black ATX 3.1 Gaming PSU
-13%

Vida 850W Heracles Black ATX 3.1 Gaming PSU

Gold 80 PLUS Certification

£81.85£93.99
Or 3 interest-free payments of £27.28/mo.*
4stores

PSU Units: 3 things to consider before buying

Before purchasing PSU Units, it's crucial to determine the power requirements of your computer system. Calculate the total wattage needed by adding up the power consumption of all components, including the CPU, GPU, and peripherals. We recommend opting for a PSU Unit with a wattage capacity slightly above your calculated needs to ensure efficiency and allow for future upgrades. For instance, if your system requires 450 watts, consider a PSU Unit that offers 550 watts or more.

Efficiency ratings are essential when choosing PSU Units as they indicate how effectively power is converted from AC to DC. Look for units with an 80 Plus certification, which ensures at least 80% energy efficiency at various loads. Higher certifications like 80 Plus Gold or Platinum offer even better efficiency, reducing electricity costs and heat output. Investing in efficient PSU Units not only benefits your wallet but also contributes to a greener environment.

Ensure that the PSU Units you consider have sufficient connectors for your components. Check for compatibility with your motherboard, graphics card, and additional peripherals such as SSDs and cooling systems. Modular PSU Units offer flexibility by allowing you to use only the cables you need, improving airflow and reducing clutter inside your case. This feature is particularly beneficial if you plan on upgrading components in the future.

PSU UNITS

FAQ

PSU Units are Power Supply Units that provide electricity to your computer components. They convert AC from the wall into DC that your computer can use. When choosing a PSU Unit, consider wattage, efficiency ratings like 80 Plus, and the number of connectors needed for your components.

PSU Units are selected based on power requirements and compatibility with your system. Calculate the total wattage needed by all components and choose a unit with slightly higher capacity. Check for efficiency ratings and ensure it fits in your computer case.

PSU Units' efficiency indicates how much power is lost as heat during conversion. Higher efficiency means less energy waste, lower electricity bills, and reduced heat output. Look for units with an 80 Plus certification, which ensures at least 80% efficiency at various loads.

PSU Units can impact performance if they do not supply adequate power. Insufficient power can lead to system instability or damage. Ensure your PSU provides enough wattage and has quality components to support reliable operation under load.

PSU Units' sizes are determined by their form factor, such as ATX or SFX. Choose one that fits your case and provides ample power for future upgrades. Most standard desktops use ATX PSUs, but always check your case specifications before purchasing.

Advertisement

Advertisement

Advertisement