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Power Supplies

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SeaSonic USA newegg SeaSonic SS-750KM3 750W ATX12V V2.3/EPS 12V V2.91 SLI Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
  (570)
  •  ATX12V V2.3/EPS 12V V2.9...
  •  80 PLUS GOLD Certified
  •  Active PFC, SLI Ready
  • Fans: 1
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: SS-750KM3
  • Item #: N82E16817151087
  • Return Policy: Standard Return Policy
  • $159.99
  • $149.99
  • Save: 6%
  • $9.99 Shipping

SeaSonic USA newegg SeaSonic SS-300ET Bronze 300W ATX12V V2.3 80 PLUS BRONZE Certified Active PFC Power Supply
  (96)
  •  ATX12V V2.3
  •  80 PLUS BRONZE Certified...
  •  100 - 240 V 47 - 63 Hz
  • Fans: 120mm Fan
  • Main Connector: 20+4Pin
  • PCI-Express Connector: No
  • Efficiency: >=82%
  • Model #: SS-300ET Bronze
  • Item #: N82E16817151086
  • Return Policy: Standard Return Policy
  • $49.99
  • $39.99
  • Save: 20%
  • $9.99 Shipping

Fractal Design newegg Fractal Design Tesla R2 650W White ATX12V SLI Ready CrossFire Certified 80 PLUS GOLD Certified Power Supply
  (1)
  •  ATX12V
  •  80 PLUS GOLD Certified
  •  90 - 264 V
  • Fans: 1
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 2 x 6+2-Pin
  • Model #: FD-PSU-TS2W-650W
  • Item #: N82E16817580010
  • Return Policy: Standard Return Policy

Compucase newegg HEC Raptor 500W ATX 12V Power Supply with Dual 12V Rails
  • $67.99
  • $12.61 Shipping

APEVIA CORP. newegg APEVIA See-Through ATX-AS500W-BK 500W ATX12V Power Supply
  (172)
  •  ATX12V
  •  115 / 230 V 50/60 Hz
  •  +3.3V@28A, +5V@30A, ...
  • Fans: 2
  • Main Connector: 24Pin
  • +12V Rails: 2
  • PCI-Express Connector: No
  • Model #: ATX-AS500W-BK
  • Item #: N82E16817148001
  • Return Policy: Standard Return Policy
  • $49.99
  • $39.99
  • Save: 20%
  • $14.99 Shipping

Cooler Master newegg Cooler Master Silent Pro M - 1000W Power Supply with 80 PLUS Bronze Certification and Semi-Modular Cables
  (171)
  •  ATX12V v2.3 / EPS12V v2....
  •  90 - 264 V
  •  80 PLUS BRONZE Certified...
  • Fans: 135mm ultra silent fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 6 x 6+2-Pin
  • Model #: RSA00-AMBAJ3-US
  • Item #: N82E16817171049
  • Return Policy: Standard Return Policy
  • $189.99
  • $169.99
  • Save: 11%
  • $129.99 after $40.00 rebate
  • $14.99 Shipping

Diablotek newegg Diablotek DA Series PSDA350 350W ATX12V Power Supply
  (92)
  •  ATX12V
  •  115 / 230 V
  •  2 x 80mm fan
  • Fans: 2 x 80mm fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: No
  • Model #: PSDA350
  • Item #: N82E16817822007
  • Return Policy: Standard Return Policy
  • $24.99
  • $19.99
  • Save: 20%
  • $9.99 Shipping

Sparkle Power Inc. newegg SPARKLE Magna GOLD PRO series R-FSP1200-50TGM 1200W ATX12V V2.3 & EPS12V V2.92 SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply MEET 2013ErP
  (5)
  • $249.99
  • $14.99 Shipping

APEVIA CORP. newegg APEVIA ITX-AP250W 250W Mini ITX Power Supply
  (34)
  •  Mini ITX
  •  100 - 240 V 50/60 Hz
  •  +3.3V@16A, +5V@15A, ...
  • Fans: 1 x 4cm DC Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: No
  • Model #: ITX-AP250W
  • Item #: N82E16817148044
  • Return Policy: Standard Return Policy
  • $54.99
  • $44.99
  • Save: 18%
  • $14.99 Shipping

APEX (SUPERCASE/ALLIED) newegg APEX AL-D500EXP 500W ATX12V Power Supply
  (157)
  •  ATX12V
  •  115/ 230 V
  •  10A @ 115V, 6A @ 230V in...
  • Fans: 1
  • Main Connector: 24Pin
  • +12V Rails: 2
  • PCI-Express Connector: 2 x 6-Pin
  • Model #: AL-D500EXP
  • Item #: N82E16817154026
  • Return Policy: Standard Return Policy
  • $49.99
  • $39.99
  • Save: 20%
  • $12.99 Shipping

Rosewill newegg Rosewill CAPSTONE-550-M  550W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Modular Active PFC Power Supply
  (49)
  • $119.99
  • $89.99
  • Save: 25%
  • $14.06 Shipping

Compucase newegg HEC Zephyr 750W MX Series Power Supply
  • $125.99
  • $14.41 Shipping

XFX newegg XFX ProSeries P1-1250-BEFX 1250W ATX12V V2.2 & ESP12V V2.91 SLI CrossFire 80 PLUS GOLD Certified Full Modular Active PFC Power Supply
  (36)
  •  ATX12V V2.2 & ESP12V V2....
  •  Full Modular
  •  80 PLUS GOLD Certified
  • Fans: 1
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 8 x 6+2-Pin
  • Model #: P1-1250-BEFX
  • Item #: N82E16817207020
  • Return Policy: Compute4Less Corp Return Policy

LEPA newegg LEPA MaxBron B1000-MB 1000W ATX CrossFire 80 PLUS BRONZE Certified Active PFC Power Supply
  (6)
  •  ATX
  •  80 PLUS BRONZE Certified...
  •  100 - 240 V 47 - 63 Hz
  • Fans: 1
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 6 x 6+2-Pin
  • Model #: B1000-MB
  • Item #: N82E16817494018
  • Return Policy: Standard Return Policy
  • $139.99
  • $14.99 Shipping

EVGA newegg EVGA SuperNOVA 850 G2 220-G2-0850-XR 850W ATX12V / EPS12V SLI Ready 80 PLUS GOLD Certified Full Modular Power Supply
Intel 4th Gen CPU Compatible 10 Year Warranty
  (32)
  •  ATX12V / EPS12V
  •  Full Modular
  •  80 PLUS GOLD Certified
  • Fans: 1
  • Main Connector: 1 x 24 Pin ATX 2 x 4 + 4 Pin EPS12V 4 x 6 + 2 Pin PCI-E 2 x 6 Pin PCI-E 10 x SATA 4 x Molex 1 x Floppy
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6 + 2 Pin PCI-E, 2 x 6 Pin PCI-E
  • Model #: 220-G2-0850-XR
  • Item #: N82E16817438018
  • Return Policy: Compute4Less Corp Return Policy

Raidmax newegg RAIDMAX RX-850AE 850W ATX12V v2.3 / EPS12V SLI CrossFire 80 PLUS GOLD Certified Modular Active PFC Power Supply
  (180)
  •  ATX12V v2.3 / EPS12V
  •  Modular
  •  80 PLUS GOLD Certified
  • Fans: 1 x 135 mm Fan
  • Main Connector: 20+4Pin
  • +12V Rails: 4
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: RX-850AE
  • Item #: N82E16817152043
  • Return Policy: Standard Return Policy
  • $134.99
  • $114.99
  • Save: 15%
  • $30.00 USD Rebate available
  • $14.99 Shipping

Rosewill newegg Rosewill CAPSTONE-650 650W Continuous @ 50°C, Intel Haswell Ready, 80 PLUS GOLD, ATX12V v2.31 & EPS12V v2.92, SLI/CrossFire Ready, Active PFC Power Supply
  (59)
  •  ATX12V v2.31 / EPS12V v2...
  •  100-240V
  •  80 PLUS Gold Certified
  • Fans: 1 x Silent 140mm Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: CAPSTONE-650
  • Item #: N82E16817182071
  • Return Policy: Standard Return Policy
  • $119.99
  • $89.99
  • Save: 25%
  • $8.99 Shipping

APEVIA CORP. newegg APEVIA ATX-AQ700W-BK 700W ATX12V / EPS12V SLI CrossFire Power Supply
  (211)
  •  ATX12V / EPS12V
  •  115 / 230 V 50/60 Hz
  •  +3.3V@25A, +5V@20A, ...
  • Fans: 135mm UV Blue LED Fan
  • Main Connector: 20+4Pin
  • +12V Rails: 4
  • PCI-Express Connector: 2 x 6-Pin
  • Model #: ATX-AQ700W-BK
  • Item #: N82E16817148040
  • Return Policy: Standard Return Policy
  • $79.99
  • $69.99
  • Save: 13%
  • $11.99 Shipping

Enermax newegg ENERMAX NAXN ENP450AST 450W ATX12V Power Supply
  (45)
  •  ATX12V
  •  115 / 230 V
  •  1 x 120mm fan
  • Fans: 1 x 120mm fan
  • Main Connector: 24Pin
  • +12V Rails: 2
  • PCI-Express Connector: 1 x 6-Pin, 1 x 6+2-Pin
  • Model #: ENP450AST
  • Item #: N82E16817194090
  • Return Policy: Standard Return Policy
  • $49.99
  • $39.99
  • Save: 20%
  • $14.99 Shipping

Power Supply

The PSU (a.k.a. power supply unit) is virtually the heart of the computer. It is a vitally important part that delivers power to components that comprise the computer system. A high-quality power supply can make the difference between a perfect machine and an unreliable one. Getting to know the importance of the power supply is just the first step, and getting the right PSU for your system means looking beyond just enormous power output.

You need to consider the physical size of the power supply, and whether or not it fits your case's form factor. How many "rails" does it have, and how many peripherals it can connect with. Look at placement of your cables and whether they'll fit into your case, and if you can run them to all the places your PSU must connect. Properly chosen, your power supply will last you a long time!

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