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Good 400-550 Watt Power Supplys

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Dynex™ - 400-Watt ATX CPU Power Supply

Model: DX-400WPS
SKU: 8311052
Compatible with Intel® and AMD multicore processors; ATX 12V v2.2 compliance
Customer Reviews: 4.4 of 5 4.4 of 5 (210 reviews)
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Sale: $94.99

Reg. Price: $139.99

You Save: $45.00

Thermaltake - SMART Series 850-Watt ATX Power Supply - Black

Model: SP-850M
SKU: 5438543
Supports most multiple-core high-end graphics cards and CPUs; ATX 12V compliant; +12V rail; modular cable management; 140mm cooling fan
Customer Reviews: 4.6 of 5 4.6 of 5 (48 reviews)
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Sale: $38.99

Reg. Price: $39.99

You Save: $1.00

Antec - 450-Watt Power Supply

Model: VP450
SKU: 4070566
Delivers 450 watts of continuous power; ATX12V 2.3 compliant; 120mm fan; dual +12V rails; heavy-duty protection circuitry
Customer Reviews: 4.1 of 5 4.1 of 5 (10 reviews)
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Antec - 650-Watt ATX Power Supply

Model: EA-650 GREEN
SKU: 3345073
ATX 12V v2.3 compliant; universal 100-240V input; dual +12V output circuits; active power factor correction; eco-friendly design; 120mm double ball bearing fan
Customer Reviews:   Be the first to write a review.
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Dynex™ - 520W ATX CPU Power Supply

Model: DX-520WPS
SKU: 2658156
Designed to power Intel® and AMD dual-core and multicore CPUs; ATX 12V v2.31 compliant; dual +12V outputs; built-in protection circuit; 140mm low-noise cooling fan
Customer Reviews: 4.3 of 5 4.3 of 5 (78 reviews)
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Sale: $180.99

Reg. Price: $199.99

You Save: $19.00

Corsair - AX860 860-Watt ATX Power Supply

Model: CP-9020044-NA
SKU: 7353415
Desktop PC power supply; ATX 12V 2.31, 2.2 and 2.01 compliant; EPS 2.92 compliant; ultraquiet, dual-ball-bearing fan
Customer Reviews: 1.0 of 5 1.0 of 5 (1 reviews)
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Sale: $154.99

Reg. Price: $159.99

You Save: $5.00

Corsair - AX760 760-Watt ATX Power Supply

Model: CP-9020045-NA
SKU: 7353337
Desktop PC power supply; ATX 12V 2.31, 2.2 and 2.01 compliant; EPS 2.92 compliant; ultraquiet, 140mm dual-ball-bearing fan
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

$35.08

Available from 8 Sellers

In Win - 450-Watt ATX Power Supply

Model: IP-S450CQ2-0G
SKU: 1306979359
Sold & Shipped by:
Quantum Wireless
Compatible with most Intel® and AMD multicore processors; ATX 12V 2.31 compliant; smart thermal control; protection functions; 6-pin PCI-e connector
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

$118.75

HP - 180-Watt Power Supply

Model: 293367-001
SKU: 1308384991
Sold & Shipped by:
SupplySale
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

$187.50

Available from 4 Sellers

Cisco - 300 Watt AC Power Supply

Model: PWR-3845-AC
SKU: 1306164168
Sold & Shipped by:
SupplySale
300W
Customer Reviews:   Be the first to write a review.
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

$49.95

HP - 535 Watt AC Power Supply

Model: 389830-B21
SKU: 1308407003
Sold & Shipped by:
SupplySale
535W
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

$314.50

Available from 4 Sellers

Cisco - 300 Watt AC Power Supply

Model: PWR-C49-300AC
SKU: 1305529234
Sold & Shipped by:
Buy.com
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

$208.89

Intel - 500 Watt Redundant Power Supply

Model: AXX2PSMODL500
SKU: 1306162348
Sold & Shipped by:
SupplySale
500W
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Sale: $1,101.39

Reg. Price: $1,495.00

You Save: $393.61

Cisco - 1400 Watt AC Power Supply

Model: PWR-C45-1400AC
SKU: 1306823416
Sold & Shipped by:
Neobits
12 V DC Output Voltage
Customer Reviews:   Be the first to write a review.
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Corsair - AX760i 760-Watt ATX Power Supply

Model: CP-9020036-NA
SKU: 7353328
Desktop PC power supply; ATX 12V 2.31, 2.2 and 2.01 compliant; EPS 2.92 compliant; DSP (Digital Signal Processor) control; Corsair Link integration; ultraquiet, 140mm dual-ball-bearing fan
Customer Reviews: 4.7 of 5 4.7 of 5 (3 reviews)
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