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Cooler Master newegg COOLER MASTER Silent Pro Gold Series RS800-80GAD3-US 800W ATX 12V v2.3 / EPS 12V v2.92 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
  (99)
Hardware Secrets Silver Award COOLER MASTER Silent Pro Gold Series RS800-80GAD3-US 800W ATX 12V v2.3 / EPS 12V v2.92 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
  •  ATX 12V v2.3 / EPS 12V v...
  •  Modular
  •  80 PLUS GOLD Certified
  • Fans: 120mm Ultra Silent Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 3 x 6-Pin, 3 x 6+2-Pin
  • Model #: RS800-80GAD3-US
  • Item #: N82E16817171057
  • Return Policy: Standard Return Policy
  • $179.99
  • $159.99 –
  • Save: 11%
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Add COOLER MASTER Silent Pro Gold Series RS800-80GAD3-US 800W ATX 12V v2.3 / EPS 12V v2.92 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply to cart

Corsair newegg CORSAIR HX Series HX750 750W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
  (926)
Golden Award from Hardware Secrets CORSAIR HX Series HX750 750W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
  •  ATX12V 2.3 / EPS12V 2.91...
  •  Modular
  •  80 PLUS GOLD Certified
  • Fans: 140mm double ball-bearing fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: CP-9020031-NA
  • Item #: N82E16817139010
  • Return Policy: Standard Return Policy
  • $169.99
  • $129.99 –
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Add CORSAIR HX Series HX750 750W ATX12V 2.3 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply to cart

Cooler Master newegg COOLER MASTER eXtreme Power Plus RS500-PCARD3-US 500W ATX12V v2.3 Power Supply
  (377)
COOLER MASTER eXtreme Power Plus RS500-PCARD3-US 500W ATX12V v2.3 Power Supply
  •  ATX12V v2.3
  •  90 - 132V / 180 - 264V ....
  •  1 x 120mm Sleeve Bearing...
  • Fans: 1 x 120mm Sleeve Bearing Fan
  • Main Connector: 20+4Pin
  • +12V Rails: 2
  • PCI-Express Connector: 1 x 6-Pin
  • Model #: RS500-PCARD3-US
  • Item #: N82E16817171031
  • Return Policy: Standard Return Policy
  • $52.99 –
  • $7.99 Shipping
Add COOLER MASTER eXtreme Power Plus RS500-PCARD3-US 500W ATX12V v2.3 Power Supply to cart

Antec newegg Antec EarthWatts Green EA-380D Green 380W Continuous power ATX12V v2.3 / EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply
  (471)
Antec EarthWatts Green EA-380D Green 380W Continuous power ATX12V v2.3 / EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply
  •  ATX12V v2.3 / EPS12V
  •  100 - 240 V
  •  80 PLUS BRONZE Certified...
  • Fans: 80mm low noise cooling fan
  • Main Connector: 20+4Pin
  • +12V Rails: 2
  • PCI-Express Connector: 1 x 6-Pin
  • Model #: EA-380D Green
  • Item #: N82E16817371033
  • Return Policy: Standard Return Policy
  • $59.99 –
  • $1.99 Shipping
Add Antec EarthWatts Green EA-380D Green 380W Continuous power ATX12V v2.3 / EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply to cart

Rosewill newegg Rosewill HIVE Series HIVE-650 650W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
  (161)
Hardware Secrets Golden Award Rosewill HIVE Series HIVE-650 650W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
  •  ATX12V v2.31 / EPS12V v2...
  •  100-240V
  •  80 PLUS Bronze Certified...
  • Fans: 1 x Silent 135mm Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 2 x 6+2-Pin
  • Model #: Hive-650
  • Item #: N82E16817182132
  • Return Policy: Standard Return Policy
  • $99.99
  • $89.99 –
  • Save: 10%
  • $3.99 Shipping
Add Rosewill HIVE Series HIVE-650 650W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply to cart

Thermaltake newegg Thermaltake TR2 W0070 430W ATX12V v2.3 Power Supply
  (2,775)
Thermaltake TR2 W0070 430W ATX12V v2.3 Power Supply
  •  ATX12V v2.3
  •  115 / 230 V
  •  47 - 63 Hz
  • Fans: 1
  • Main Connector: 20+4Pin
  • +12V Rails: 2
  • PCI-Express Connector: 1 x 6-Pin
  • Model #: W0070
  • Item #: N82E16817153023
  • Return Policy: Standard Return Policy
  • $49.99 –
  • $5.99 Shipping
Add Thermaltake TR2 W0070 430W ATX12V v2.3 Power Supply to cart

SeaSonic USA newegg SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply
  (176)
SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply
  •  ATX12V V2.3 / EPS 12V V2...
  •  Modular
  •  80 PLUS BRONZE Certified...
  • Fans: 120mm ball bearing cooling fan
  • Main Connector: 24Pin
  • +12V Rails: 2
  • PCI-Express Connector: 1 x 6-Pin, 1 x 6+2-Pin
  • Model #: M12II 620 Bronze
  • Item #: N82E16817151095
  • Return Policy: Standard Return Policy
  • $123.99
  • $93.99 –
  • Save: 24%
  • $5.99 Shipping
Add SeaSonic M12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply to cart

Rosewill newegg Rosewill BRONZE Series RBR1000-M 1000W Continuous@40°C, 80Plus Bronze Certified,Modular Cable Design,Active PFC"Compatible with Core i7, i5" Power Supply
  (482)
Rosewill BRONZE Series RBR1000-M 1000W Continuous@40°C, 80Plus Bronze Certified,Modular Cable Design,Active PFC"Compatible with Core i7, i5" Power Supply
  •  ATX12V v2.31 / EPS12V v2...
  •  100-240V
  •  80 PLUS Bronze Certified...
  • Fans: 135mm Blue LED Dual-ball-bearing
  • Main Connector: 20+4Pin
  • +12V Rails: 4
  • PCI-Express Connector: 3 x 6-Pin, 3 x 6+2-Pin
  • Model #: RBR1000-M
  • Item #: N82E16817182188
  • Return Policy: Standard Return Policy
  • $199.99
  • $139.99 –
  • Save: 30%
  • $3.99 Shipping
Add Rosewill BRONZE Series RBR1000-M 1000W Continuous@40°C, 80Plus Bronze Certified,Modular Cable Design,Active PFC"Compatible with Core i7, i5" Power Supply to cart

APEVIA CORP. newegg APEVIA ATX-CB700W 700W ATX12V / EPS12V SLI Ready CrossFire Ready Power Supply
  (220)
APEVIA ATX-CB700W 700W ATX12V / EPS12V SLI Ready CrossFire Ready Power Supply - OEM
  •  ATX12V / EPS12V
  •  115 / 230 V
  • Fans: 1 x 120 mm UV Blue LED Fan
  • Main Connector: 20+4Pin
  • +12V Rails: 2
  • PCI-Express Connector: 2 x 6-Pin, 2 x 6+2-Pin
  • Model #: ATX-CB700W
  • Item #: N82E16817148046
  • Return Policy: Standard Return Policy
  • $84.99
  • $49.99 –
  • Save: 41%
  • $7.74 Shipping
Add APEVIA ATX-CB700W 700W ATX12V / EPS12V SLI Ready CrossFire Ready Power Supply to cart

Rosewill newegg Rosewill HIVE Series HIVE-750 750W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
  (155)
Guru3D recommended buy Rosewill HIVE Series HIVE-750 750W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
  •  ATX12V v2.31 / EPS12V v2...
  •  100-240V
  •  80 PLUS Bronze Certified...
  • Fans: 1 x Silent 135mm Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: Hive-750
  • Item #: N82E16817182133
  • Return Policy: Standard Return Policy
  • $119.99
  • $99.99 –
  • Save: 17%
  • $3.99 Shipping
Add Rosewill HIVE Series HIVE-750 750W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply to cart

Thermaltake newegg Thermaltake TR2 TR-700 700W ATX 12V V2.3 & EPS 12V SLI Ready CrossFire Ready Active PFC Power Supply
  (34)
See upgraded model, click here Thermaltake TR2 TR-700 700W ATX 12V V2.3 & EPS 12V SLI Ready CrossFire Ready Active PFC Power Supply
  •  ATX 12V V2.3 & EPS 12V
  •  100 - 240 V
  •  47 - 63 Hz
  • Fans: 1
  • Main Connector: 24Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: TR-700
  • Item #: N82E16817153167
  • Return Policy: Standard Return Policy
  • $79.99 –
  • Free Shipping
Add Thermaltake TR2 TR-700 700W ATX 12V V2.3 & EPS 12V SLI Ready CrossFire Ready Active PFC Power Supply to cart

Antec newegg Antec High Current Gamer Series HCG-750 750W ATX12V v2.3 / EPS12V v2.91 SLI Certified CrossFire Certified 80 PLUS BRONZE Certified Active PFC Power Supply
  (254)
Antec High Current Gamer Series HCG-750 750W ATX12V v2.3 / EPS12V v2.91 SLI Certified CrossFire Certified 80 PLUS BRONZE Certified Active PFC Power Supply
  •  ATX12V v2.3 / EPS12V v2....
  •  80 PLUS BRONZE Certified...
  •  100 - 240VAC ±10%
  • Fans: 1 x 135mm double ball bearing fan
  • +12V Rails: 4
  • PCI-Express Connector: 4 x 6+2-Pin
  • SATA Power Connector: 9
  • Model #: HCG-750
  • Item #: N82E16817371049
  • Return Policy: Standard Return Policy
  • $139.99
  • $109.99 –
  • Save: 21%
  • $5.99 Shipping
Add Antec High Current Gamer Series HCG-750 750W ATX12V v2.3 / EPS12V v2.91 SLI Certified CrossFire Certified 80 PLUS BRONZE Certified Active PFC Power Supply to cart

Corsair newegg CORSAIR Builder Series CX500 500W ATX12V v2.3 80 PLUS BRONZE Certified Active PFC Power Supply
  (363)
CORSAIR Builder Series CX500 500W ATX12V v2.3 80 PLUS BRONZE Certified Active PFC Power Supply
  •  ATX12V v2.3
  •  80 PLUS BRONZE Certified...
  •  100 - 240 V
  • Fans: 1 x 120mm fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 2 x 6+2-Pin
  • Model #: CP-9020047-NA
  • Item #: N82E16817139027
  • Return Policy: Standard Return Policy
  • $69.99
  • $59.99 –
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  • $5.99 Shipping
Add CORSAIR Builder Series CX500 500W ATX12V v2.3 80 PLUS BRONZE Certified Active PFC Power Supply to cart

Compucase newegg hec HP485D 485W ATX12V Power Supply - Power Cord Included
  (150)
hec HP485D 485W ATX12V Power Supply - Power Cord Included
  •  ATX12V
  •  100 - 120 V / 200 - 240 ...
  •  2 Fans
  • Fans: 2
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 1 x 6-Pin
  • Model #: HP485D Retail
  • Item #: N82E16817339020
  • Return Policy: Standard Return Policy
  • $31.49 –
  • $12.24 Shipping
Add hec HP485D 485W ATX12V Power Supply - Power Cord Included to cart

Rosewill newegg Rosewill RP600V2-S-SL 600W ATX12V v2.01 SLI Ready Power Supply
  (693)
Rosewill RP600V2-S-SL 600W ATX12V v2.01 SLI Ready Power Supply
  •  ATX12V v2.01
  •  115/ 230 V
  •  120mm Ball Bearing Blue ...
  • Fans: 1 x 120mm Double ball-bearing Blue LED Fan
  • Main Connector: 20+4Pin
  • +12V Rails: 2
  • PCI-Express Connector: 1 x 6-Pin, 1 x 6+2-Pin
  • Model #: RP600V2-S-SL
  • Item #: N82E16817182032
  • Return Policy: Standard Return Policy
  • $79.99
  • $59.99 –
  • Save: 25%
  • $3.99 Shipping
Add Rosewill RP600V2-S-SL 600W ATX12V v2.01 SLI Ready Power Supply to cart

OCZ Technology newegg OCZ ModXStream Pro 700W Modular High Performance Power Supply compatible with Intel Sandybridge Core i3 i5 i7 and AMD Phenom
  (1,068)
OCZ ModXStream Pro 700W Modular High Performance Power Supply compatible with Intel Sandybridge Core i3 i5 i7 and AMD Phenom
  •  ATX12V V2.2 / EPS12V
  •  100 - 240 V
  •  80 PLUS Certified
  • Fans: 1 x 135mm Fan
  • Main Connector: 20+4Pin
  • PCI-Express Connector: 1 x 6-Pin, 1 x 6+2-Pin
  • SATA Power Connector: 6
  • Model #: OCZ700MXSP
  • Item #: N82E16817341018
  • Return Policy: Standard Return Policy
  • $129.99
  • $99.99 –
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Add OCZ ModXStream Pro 700W Modular High Performance Power Supply compatible with Intel Sandybridge Core i3 i5 i7 and AMD Phenom to cart

Rosewill newegg Rosewill Tachyon Series Tachyon-1000 Continuous 1000W @ 50 Degrees C ATX12V v2.31 & EPS12V v2.92 SLI Ready CrossFire Ready 80 PLUS PLATINUM Certified Modular Active PFC Power Supply
  (1)
Rosewill Tachyon Series Tachyon-1000 Continuous 1000W @ 50 Degrees C ATX12V v2.31 & EPS12V v2.92 SLI Ready CrossFire Ready 80 PLUS PLATINUM Certified Modular Active PFC Power Supply
  •  ATX12V v2.31 / EPS12V v2...
  •  100-240V
  •  80 PLUS Platinum Certifi...
  • Fans: 1 x Silent 140mm Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: Tachyon-1000
  • Item #: N82E16817182274
  • Return Policy: Standard Return Policy
  • $239.99 –
  • Free Shipping
Add Rosewill Tachyon Series Tachyon-1000 Continuous 1000W @ 50 Degrees C ATX12V v2.31 & EPS12V v2.92 SLI Ready CrossFire Ready 80 PLUS PLATINUM Certified Modular Active PFC Power Supply to cart

Rosewill newegg Rosewill Xtreme Series RX850-S-B 850W Continuous @40°C ,80 PLUS Certified, ATX12V v2.2 & EPS12V v2.91, SLI Ready CrossFire Ready, Active PFC "Compatible with Core i7, i5" Power Supply
  (294)
Rosewill Xtreme Series RX850-S-B 850W Continuous @40°C ,80 PLUS Certified, ATX12V v2.2 & EPS12V v2.91, SLI Ready CrossFire Ready, Active PFC "Compatible with Core i7, i5" Power Supply
  •  ATX12V v2.2 & EPS12V v2....
  •  100 - 240 V
  •  80 PLUS Certified
  • Fans: 1 x Silent 135mm Ball-bearing Blue LED Fan
  • Main Connector: 20+4Pin
  • +12V Rails: Four +12V Rails
  • PCI-Express Connector: 4 x 6-Pin
  • Model #: RX850-S-B
  • Item #: N82E16817182072
  • Return Policy: Standard Return Policy
  • $149.99
  • $109.99 –
  • Save: 27%
  • $3.99 Shipping
Add Rosewill Xtreme Series RX850-S-B 850W Continuous @40°C ,80 PLUS Certified, ATX12V v2.2 & EPS12V v2.91, SLI Ready CrossFire Ready, Active PFC "Compatible with Core i7, i5" Power Supply to cart

Kingwin Inc. newegg KINGWIN STR-500 500W ATX 12V v2.2, EPS 12V v2.91 and SSI EPS 12V v2.92 SLI Ready 80 PLUS PLATINUM Certified Modular Active PFC Stryker Fanless Power Supply
  (29)
KINGWIN STR-500 500W ATX 12V v2.2, EPS 12V v2.91 and SSI EPS 12V v2.92 SLI Ready 80 PLUS PLATINUM Certified Modular Active PFC Stryker Fanless Power Supply
  •  ATX 12V v2.2, EPS 12V v2...
  •  Modular
  •  80 PLUS PLATINUM Certifi...
  • Fans: 0
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 2 x 6-Pin, 2 x 6+2-Pin
  • Model #: STR-500
  • Item #: N82E16817121083
  • Return Policy: Standard Return Policy
  • $169.99 –
  • $9.99 Shipping
Add KINGWIN STR-500 500W ATX 12V v2.2, EPS 12V v2.91 and SSI EPS 12V v2.92 SLI Ready 80 PLUS PLATINUM Certified Modular Active PFC Stryker Fanless Power Supply to cart

Cooler Master newegg COOLER MASTER GX Series RS750-ACAAD3-US 750W ATX12V v2.31 SLI Ready 80 PLUS BRONZE Certified Active PFC Power Supply
  (171)
COOLER MASTER GX Series RS750-ACAAD3-US 750W ATX12V v2.31 SLI Ready 80 PLUS BRONZE Certified Active PFC Power Supply
  •  ATX12V v2.31
  •  80 PLUS BRONZE Certified...
  •  110 - 240 V
  • Fans: 1 x 120mm
  • Main Connector: 20+4Pin
  • +12V Rails: Single
  • PCI-Express Connector: 4 x 6+2-Pin
  • Model #: RS750-ACAAD3-US
  • Item #: N82E16817171053
  • Return Policy: Standard Return Policy
  • $119.99
  • $109.99 –
  • Save: 8%
  • $13.39 Shipping
Add COOLER MASTER GX Series RS750-ACAAD3-US 750W ATX12V v2.31 SLI Ready 80 PLUS BRONZE Certified Active PFC Power Supply to cart

Cooler Master newegg COOLER MASTER Silent Pro RS850-AMBAJ3-US 850W ATX12V v2.3 / EPS12V v2.92 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply
  (110)
COOLER MASTER Silent Pro RS850-AMBAJ3-US 850W ATX12V v2.3 / EPS12V v2.92 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply
  •  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 #: RS850-AMBAJ3-US
  • Item #: N82E16817171048
  • Return Policy: Standard Return Policy
  • $179.99
  • $149.99 –
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Add COOLER MASTER Silent Pro RS850-AMBAJ3-US 850W ATX12V v2.3 / EPS12V v2.92 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply to cart

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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