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Ultra-Quiet PSUs 600W or lower

This range of power supplies are ideal for systems that do not consume a large amount of power. Systems that are designed for word processing, internet browsing and/or general desktop work will benefit from a PSU within this range. These PSUs will also be able to power a gaming PC that does not have a high-end graphics card.

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Streacom ST-ZF240 ZeroFlex 240W Passive PSU for Streacom Chassis

169 in stock
ST-ZF240 ZeroFlex 240W Passive PSU for Streacom Chassis
  • Totally passive 240W PSU
  • Installed inside the chassis
  • Designed for Streacom FC5, FC9 and FC10 chassis
  • 93% efficiency
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$155.37
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Streacom ST-NANO160 160W nanoPSU and AC/DC adapter block

198 in stock
ST-NANO160 160W nanoPSU and AC/DC adapter block
  • Very small, can built into ultra-compact PC enclosures and slim server enclosures
  • Fits any motherboard equipped with 24pin ATX connector
  • 100% silent, fanless, no moving parts
  • Highly efficient design, does not produce a lot of heat
  • Ideal for Intel processors as VIA C7/nano or AMD motherboards
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$117.17
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be quiet Straight Power 11 CM 550W Modular PSU, BN281

6 in stock
Straight Power 11 CM 550W Modular PSU, BN281
  • Virtually inaudible operation
  • Very quiet SilentWings 3 fan
  • 80PLUS Gold certification
  • Fully Modular cable management
  • NVIDIA SLI Ready and AMD CrossFireX
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$100.76
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be quiet Straight Power 11 CM 450W Modular PSU, BN280

5 in stock
Straight Power 11 CM 450W Modular PSU, BN280
  • Virtually inaudible operation
  • Very quiet SilentWings 3 fan
  • 80PLUS Gold certification
  • Fully Modular cable management
  • NVIDIA SLI Ready and AMD CrossFireX
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$95.38
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Streacom ST-NANO120 120W nanoPSU and AC/DC adapter block

Coming soon
ST-NANO120 120W nanoPSU and AC/DC adapter block
  • Very small, can built into ultra-compact PC enclosures and slim server enclosures
  • Fits any motherboard equipped with 24pin ATX connector
  • 100% silent, fanless, no moving parts
  • Highly efficient design, does not produce a lot of heat
  • Ideal for Intel processors as VIA C7/nano or AMD motherboards
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$76.49

FSP Hyper M 600W Modular Quiet Power Supply

18 in stock
Hyper M 600W Modular Quiet Power Supply
  • 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
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$68.53
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FSP Hyper M 500W Modular Quiet Power Supply

20 in stock
Hyper M 500W Modular Quiet Power Supply
  • 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
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$63.19
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FSP Hyper S 600W Quiet Power Supply

27 in stock
Hyper S 600W Quiet Power Supply
  • 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
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$57.83
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FSP Hyper S 500W Quiet Power Supply

22 in stock
Hyper S 500W Quiet Power Supply
  • 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
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$52.47
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be quiet Pure Power 11 400W Quiet PSU 80PLUS Gold, BN292

3 in stock
Pure Power 11 400W Quiet PSU 80PLUS Gold, BN292
  • 12V-rails ensure rock-solid voltage stability for powerful multi-GPU systems
  • 80PLUS certification and up to 91% power conversion efficiency
  • Exceptionally quiet operation features a silence-optimised 120mm be quiet fan
  • Stable operation thanks to DC-to-DC power conversion technology
  • Attractively sleeved cables simplify component installation
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$52.44
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Micronics Classic II AC 600W PSU, 80+

21 in stock
Classic II AC 600W PSU, 80+
  • Available in 500W, 600W and 700W
  • Less than 1W standby power consumption
  • High efficiency 80PLUS certified
  • Flat ribbon cabling
  • Features “After Cooling"
  • Ultra-quiet 120mm fan
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$52.16
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SilverStone SST-ST30SF Strider Semi-Fanless 300W SFX Power Supply

11 in stock
SST-ST30SF Strider Semi-Fanless 300W SFX Power Supply
  • Intelligent semi-fanless operation
  • Support standard SFX form factor and ATX via included bracket
  • 80 PLUS Bronze level efficiency
  • Very quiet 80mm fan with 18dBA minimum
  • Single PCI-E 6pin connector support
  • Active PFC
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$49.58
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be quiet Pure Power 11 300W Quiet PSU 80PLUS Bronze, BN290

2 in stock
Pure Power 11 300W Quiet PSU 80PLUS Bronze, BN290
  • 12V-rails ensure rock-solid voltage stability for powerful multi-GPU systems
  • 80PLUS certification and up to 91% power conversion efficiency
  • Exceptionally quiet operation features a silence-optimised 120mm be quiet fan
  • Stable operation thanks to DC-to-DC power conversion technology
  • Attractively sleeved cables simplify component installation
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$45.44
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