751W - 900W PSUs (10 products)

Add more power and greater efficiency to your system with a top quality PSU. The units featured on this page all have an output of between 751 and 900W. They are at the top end of the performance scale.

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Gigabyte P850GM 850W Modular 80+ Gold PSU

  • 3x Molex Connectors
  • 8x SATA Connectors
  • 4x PCIe Connectors (6+2-Pin)
  • 4+4+8-Pin CPU Power Connector
  • ATX Form Factor

£ 82.98  inc. vat

£89.99save £7.01

£ 69.15 ex. vat

£74.99save £5.84
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Corsair RMx Series White RM850x Power supply

  • Pristine White Casing
  • Tuned for Low Noise Operation
  • 80 Plus Gold Certified
  • Zero RPM Fan Mode
  • Fully Modular

£ 139.40  inc. vat

£ 116.16 ex. vat

0% Interest offers available

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Corsair RM850 850 Watt 80+ Gold Fully Modular PSU

  • 80+ Gold Certified
  • Fully Modular
  • 140mm Fan size
  • Multiple-GPU Ready
  • Zero RPM Fan Mode

£ 119.99  inc. vat

£ 99.99 ex. vat

0% Interest offers available

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Corsair 850 Watt RM850x Fully Modular ATX Power Supply

  • 80 Plus Gold Certified
  • Tuned For Low Noise Operation
  • Zero RPM Fan Mode
  • 100% All Japanese 105'c Capacitors
  • Fully Modular Cables

£ 139.98  inc. vat

£ 116.65 ex. vat

0% Interest offers available

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MSI MPG A850GF 850W Modular 80+ Gold PSU

  • 5x Molex Connectors
  • 8x SATA Connectors
  • 6x PCIe Connectors (6+2-Pin)
  • 4+4+8-Pin CPU Power Connector
  • ATX Form Factor

£ 121.98  inc. vat

£128.99save £7.01

£ 101.65 ex. vat

£107.49save £5.84

0% Interest offers available

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Thermaltake Toughpower GF1 850 Watt Full Modular 80+ Gold ARGB PSU/Power Supply

  • 850 W 80 PLUS Gold
  • 150 x 86 x 160 (WxHxD)
  • 1 x 140mm w/ Addressable RGB LEDs

£ 197.48  inc. vat

£ 164.56 ex. vat

0% Interest offers available

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Thermaltake Toughpower 850 Watt Full Modular 80+ Platinum ARGB PSU/Power Supply

  • 850 W 80 PLUS Platinum
  • 1 x 140mm w/ Addressable RGB LEDs
  • 150 x 86 x 180 (WxHxD)

£ 253.98  inc. vat

£ 211.65 ex. vat

0% Interest offers available

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Cougar GEX 850W 80 Plus Gold Fully Modular ATX PSU Series

  • 850W 80 Plus Gold
  • 120mm Silent Fan
  • Fully Modular
  • Up To 91% Efficiency

£ 84.98  inc. vat

£ 70.81 ex. vat

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Thermaltake Madrid 850W PSU 80+ Gold Certified

  • 80 PLUS® Gold certified: with 87-92% efficiency
  • 100% High quality Japanese made capacitor
  • All flat, low-profile modular cables allow for easy cable routing and...

£ 114.98  inc. vat

£ 95.81 ex. vat

0% Interest offers available

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CORSAIR RMx Series™ RM850x 80 PLUS Gold Fully Modular ATX Power Supply

£ 108.99  inc. vat

£ 90.82 ex. vat

0% Interest offers available

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Gigabyte P850GM 850W Modular 80+ Gold PSU

  • 3x Molex Connectors
  • 8x SATA Connectors
  • 4x PCIe Connectors (6+2-Pin)
  • 4+4+8-Pin CPU Power Connector
  • ATX Form Factor

QuickFind: 1144481

Mfr part code: GP-P850GM-UK-

£ 82.98  inc. vat

£89.99save £7.01

£ 69.15 ex. vat

£74.99save £5.84
More Info

Corsair RMx Series White RM850x Power supply

  • Pristine White Casing
  • Tuned for Low Noise Operation
  • 80 Plus Gold Certified
  • Zero RPM Fan Mode
  • Fully Modular

QuickFind: 864767

Mfr part code: CP-9020188-UK

£ 139.40  inc. vat

£ 116.16 ex. vat

0% Interest offers available

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Corsair RM850 850 Watt 80+ Gold Fully Modular PSU

  • 80+ Gold Certified
  • Fully Modular
  • 140mm Fan size
  • Multiple-GPU Ready
  • Zero RPM Fan Mode

QuickFind: 908644

Mfr part code: CP-9020196-UK

£ 119.99  inc. vat

£ 99.99 ex. vat

0% Interest offers available

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Corsair 850 Watt RM850x Fully Modular ATX Power Supply

  • 80 Plus Gold Certified
  • Tuned For Low Noise Operation
  • Zero RPM Fan Mode
  • 100% All Japanese 105'c Capacitors
  • Fully Modular Cables

QuickFind: 861268

Mfr part code: CP-9020180-UK

£ 139.98  inc. vat

£ 116.65 ex. vat

0% Interest offers available

More Info

MSI MPG A850GF 850W Modular 80+ Gold PSU

  • 5x Molex Connectors
  • 8x SATA Connectors
  • 6x PCIe Connectors (6+2-Pin)
  • 4+4+8-Pin CPU Power Connector
  • ATX Form Factor

QuickFind: 1128798

Mfr part code: 306-7ZP0C18-CE0

£ 121.98  inc. vat

£128.99save £7.01

£ 101.65 ex. vat

£107.49save £5.84

0% Interest offers available

More Info

Thermaltake Toughpower GF1 850 Watt Full Modular 80+ Gold ARGB PSU/Power Supply

  • 850 W 80 PLUS Gold
  • 150 x 86 x 160 (WxHxD)
  • 1 x 140mm w/ Addressable RGB LEDs

QuickFind: 914022

Mfr part code: PS-TPD-0850F3FAGE-1

£ 197.48  inc. vat

£ 164.56 ex. vat

0% Interest offers available

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Thermaltake Toughpower 850 Watt Full Modular 80+ Platinum ARGB PSU/Power Supply

  • 850 W 80 PLUS Platinum
  • 1 x 140mm w/ Addressable RGB LEDs
  • 150 x 86 x 180 (WxHxD)

QuickFind: 914024

Mfr part code: PS-TPD-0850F3FAPE-1

£ 253.98  inc. vat

£ 211.65 ex. vat

0% Interest offers available

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Cougar GEX 850W 80 Plus Gold Fully Modular ATX PSU Series

  • 850W 80 Plus Gold
  • 120mm Silent Fan
  • Fully Modular
  • Up To 91% Efficiency

QuickFind: 1126393

Mfr part code: GEX850

£ 84.98  inc. vat

£ 70.81 ex. vat

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Thermaltake Madrid 850W PSU 80+ Gold Certified

  • 80 PLUS® Gold certified: with 87-92% efficiency
  • 100% High quality Japanese made capacitor
  • All flat, low-profile modular cables allow for easy cable routing and...

QuickFind: 982577

Mfr part code: W0495RE

£ 114.98  inc. vat

£ 95.81 ex. vat

0% Interest offers available

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CORSAIR RMx Series™ RM850x 80 PLUS Gold Fully Modular ATX Power Supply

QuickFind: 1144842

Mfr part code: CP-9020200-UK

£ 108.99  inc. vat

£ 90.82 ex. vat

0% Interest offers available

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Up to 900W PSUs

900W power supplies deliver the highest performance you’d expect from one of the best PSUs on the market. With such a high wattage, these PSUs are perfect for you PC system as PSUs run at their most efficient when they are at 50% capacity. With 900W you can run at the required capacity and still have space for any upgrades you wish to incorporate.

A Power Supply Unit with this wattage will deliver more power to your computer components. If you are planning to upgrade your PC at some point it is always worth getting a PSU with more power than you need now to make later expansion easier. Explore our exceptional range of PSUs to find the perfect choice for you.