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Site updated: 25.5.19

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Ultra-Quiet PSUs above 600W


600W not enough? Then you must have one power hungry PC! As well as being able to power a small town, these power supplies are designed for PCs that are jam packed with components. Most of the PSUs here are supplied with four PCI-E connectors which makes them suitable for powering ATI's and nVidia's latest graphics card configured in Crossfire or SLI.

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be quiet Straight Power 11 CM 1000W Modular PSU, BN285

Straight Power 11 CM 1000W Modular PSU, BN285

Price: £144.20

  • Virtually inaudible operation
  • Very quiet SilentWings 3 fan
  • 80PLUS Gold certification
  • Fully Modular cable management
  • NVIDIA SLI Ready and AMD CrossFireX
  4 in stock
 

be quiet Straight Power 11 CM 850W Modular PSU, BN284

Straight Power 11 CM 850W Modular PSU, BN284

Price: £123.35

  • Virtually inaudible operation
  • Very quiet SilentWings 3 fan
  • 80PLUS Gold certification
  • Fully Modular cable management
  • NVIDIA SLI Ready and AMD CrossFireX
  2 in stock
 

FSP Hydro G 850W Semi-Fanless Modular PSU, 80+ Gold

Hydro G 850W Semi-Fanless Modular PSU, 80+ Gold

Price: £115.83

  • Semi-fanless design for silent operation
  • Full Japan-made electrolytic capacitors
  • Powerful single +12V rail design
  • SLI and Crossfire ready
  • 80PLUS gold certification
  • Full protections: OCP, OVP, SCP, OPP, UVP, OTP
  17 in stock
 

be quiet Straight Power 11 CM 750W Modular PSU, BN283

Straight Power 11 CM 750W Modular PSU, BN283

Price: £93.62

  • Virtually inaudible operation
  • Very quiet SilentWings 3 fan
  • 80PLUS Gold certification
  • Fully Modular cable management
  • NVIDIA SLI Ready and AMD CrossFireX
  2 in stock
 

FSP Hydro PTM 750W Semi-Fanless Modular PSU, 80+ Platinum

Hydro PTM 750W Semi-Fanless Modular PSU, 80+ Platinum
New

Price: £91.78

  • Semi-fanless design for silent operation
  • Full Japan-made electrolytic capacitors
  • Powerful single +12V rail design
  • SLI and Crossfire ready
  • 80 PLUS Platinum certification
  • Full protections: OCP, OVP, SCP, OPP, UVP, OTP
  19 in stock
 

FSP Hydro G 750W Semi-Fanless Modular PSU, 80+ Gold

Hydro G 750W Semi-Fanless Modular PSU, 80+ Gold

Price: £90.83

  • Semi-fanless design for silent operation
  • Full Japan-made electrolytic capacitors
  • Powerful single +12V rail design
  • SLI and Crossfire ready
  • 80PLUS gold certification
  • Full protections: OCP, OVP, SCP, OPP, UVP, OTP
  5 in stock
 

Micronics Astro GD White 750W Modular PSU, 80+ Gold

Astro GD White 750W Modular PSU, 80+ Gold

Price: £87.00

  • High efficiency 80PLUS Gold
  • Ultra-quiet 135mm white LED Fan
  • Full modular design
  • After Cooling ready
  • Full protections: OCP, OVP, SCP, OPP, UVP, OTP
  25 in stock
 

be quiet Straight Power 11 CM 650W Modular PSU, BN282

Straight Power 11 CM 650W Modular PSU, BN282

Price: £83.63

  • Virtually inaudible operation
  • Very quiet SilentWings 3 fan
  • 80PLUS Gold certification
  • Fully Modular cable management
  • NVIDIA SLI Ready and AMD CrossFireX
  5 in stock
 

FSP Hydro G 650W Semi-Fanless Modular PSU, 80+ Gold

Hydro G 650W Semi-Fanless Modular PSU, 80+ Gold

Price: £78.33

  • Semi-fanless design for silent operation
  • Full Japan-made electrolytic capacitors
  • Powerful single +12V rail design
  • SLI and Crossfire ready
  • 80PLUS gold certification
  • Full protections: OCP, OVP, SCP, OPP, UVP, OTP
  4 in stock
 

FSP Hyper M 700W Modular Quiet Power Supply

Hyper M 700W Modular Quiet Power Supply

Price: £57.50

  • Excellent value for money modular PSU
  • Meets 85% efficiency
  • Complies with ATX 12V v2.4
  • 6pin+2 PCI-Express graphic card connector ready
  • Quiet, 120mm Fan, less than 19dBA @ 50% load
  31 in stock
 

FSP Hyper S 700W Quiet Power Supply

Hyper S 700W Quiet Power Supply

Price: £49.17

  • Excellent value for money PSU from FSP
  • Meets 85% efficiency
  • Complies with ATX 12V v2.4
  • 6pin+2 PCI-Express graphic card connector ready
  • Quiet, 120mm Fan, less than 19dBA
  100 in stock
 

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