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What size PSU should i get?

post #1 of 6
Thread Starter 
my new rig will be an AMD X2 6000+ 2 gigs of ram to begin and just a cheap pci gfx card for now but i need something that can handle the 2 power houses (7900series or more) im going to SLI together.

i know im going to spend more than $100 but id like to not spend more than $200 (unless its just a stupid deal, or i need more power than i thought)


So the basic question is: what size do i need and what brands are worth looking at?


ty
leetbox-2014
(13 items)
 
leetbox420
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4770k 4.1ghz ASUS MAXIMUS VI FORMULA MSI GeForce GTX 780 2x8 G.Skill Trident X 10cl 2400mhz 
Hard DriveHard DriveCoolingOS
256g Samsung 840 PRO SSD 2t Seagate Barracuda HDD Corsair h100i windows 7 ultimate 
MonitorKeyboardPowerCase
Samsung 27" LED Main, 21" Scepter Widescreen (o... Razer Tarantula  Corsair AXi860 Coolermaster HAF X 
Mouse
Razer Deathadder 
CPUMotherboardGraphicsRAM
Core 2 Duo e6750 2.66 Asus Commando EVGA 650Ti GTX 2 1g OCZ Reapers + 2 2g OCZ Reapers 
Hard DriveCoolingOSMonitor
Pheonix III SSD Coolermaster Hyper 212+ Windows7 Samsung 27" LED Main, 21" Scepter Widescreen (o... 
KeyboardPowerCaseMouse
Razer Tarantula Corsair CMPSU-620HX 620W Antec 900 Razer Deathadder 
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leetbox-2014
(13 items)
 
leetbox420
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4770k 4.1ghz ASUS MAXIMUS VI FORMULA MSI GeForce GTX 780 2x8 G.Skill Trident X 10cl 2400mhz 
Hard DriveHard DriveCoolingOS
256g Samsung 840 PRO SSD 2t Seagate Barracuda HDD Corsair h100i windows 7 ultimate 
MonitorKeyboardPowerCase
Samsung 27" LED Main, 21" Scepter Widescreen (o... Razer Tarantula  Corsair AXi860 Coolermaster HAF X 
Mouse
Razer Deathadder 
CPUMotherboardGraphicsRAM
Core 2 Duo e6750 2.66 Asus Commando EVGA 650Ti GTX 2 1g OCZ Reapers + 2 2g OCZ Reapers 
Hard DriveCoolingOSMonitor
Pheonix III SSD Coolermaster Hyper 212+ Windows7 Samsung 27" LED Main, 21" Scepter Widescreen (o... 
KeyboardPowerCaseMouse
Razer Tarantula Corsair CMPSU-620HX 620W Antec 900 Razer Deathadder 
  hide details  
Reply
post #2 of 6
Corsair HX520/620, Silverstone Olympia/Decathlon variants, the Antec TruePower Trio series, or the Thermaltake ToughPower series.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500K @ 4.5ghz (1.29v) Asus P8P67 XFX HD 6870 Dual Fan 2x4GB Corsair Vengeance DDR3 1600 
Hard DriveOptical DriveCoolingOS
120gb Kingston HyperX 3k SSD, 1TB Samsung F3 LITE-ON DVD+/-RW 24X Corsair H70 Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Qnix QX2710 Logitech Illuminated Keyboard Antec Truepower New 750W Antec 300 
MouseOther
Logitech G500 Lamptron FC4 Fan Controller 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500K @ 4.5ghz (1.29v) Asus P8P67 XFX HD 6870 Dual Fan 2x4GB Corsair Vengeance DDR3 1600 
Hard DriveOptical DriveCoolingOS
120gb Kingston HyperX 3k SSD, 1TB Samsung F3 LITE-ON DVD+/-RW 24X Corsair H70 Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Qnix QX2710 Logitech Illuminated Keyboard Antec Truepower New 750W Antec 300 
MouseOther
Logitech G500 Lamptron FC4 Fan Controller 
  hide details  
Reply
post #3 of 6
Thread Starter 
any size minimum for what i need to power?
leetbox-2014
(13 items)
 
leetbox420
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4770k 4.1ghz ASUS MAXIMUS VI FORMULA MSI GeForce GTX 780 2x8 G.Skill Trident X 10cl 2400mhz 
Hard DriveHard DriveCoolingOS
256g Samsung 840 PRO SSD 2t Seagate Barracuda HDD Corsair h100i windows 7 ultimate 
MonitorKeyboardPowerCase
Samsung 27" LED Main, 21" Scepter Widescreen (o... Razer Tarantula  Corsair AXi860 Coolermaster HAF X 
Mouse
Razer Deathadder 
CPUMotherboardGraphicsRAM
Core 2 Duo e6750 2.66 Asus Commando EVGA 650Ti GTX 2 1g OCZ Reapers + 2 2g OCZ Reapers 
Hard DriveCoolingOSMonitor
Pheonix III SSD Coolermaster Hyper 212+ Windows7 Samsung 27" LED Main, 21" Scepter Widescreen (o... 
KeyboardPowerCaseMouse
Razer Tarantula Corsair CMPSU-620HX 620W Antec 900 Razer Deathadder 
  hide details  
Reply
leetbox-2014
(13 items)
 
leetbox420
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4770k 4.1ghz ASUS MAXIMUS VI FORMULA MSI GeForce GTX 780 2x8 G.Skill Trident X 10cl 2400mhz 
Hard DriveHard DriveCoolingOS
256g Samsung 840 PRO SSD 2t Seagate Barracuda HDD Corsair h100i windows 7 ultimate 
MonitorKeyboardPowerCase
Samsung 27" LED Main, 21" Scepter Widescreen (o... Razer Tarantula  Corsair AXi860 Coolermaster HAF X 
Mouse
Razer Deathadder 
CPUMotherboardGraphicsRAM
Core 2 Duo e6750 2.66 Asus Commando EVGA 650Ti GTX 2 1g OCZ Reapers + 2 2g OCZ Reapers 
Hard DriveCoolingOSMonitor
Pheonix III SSD Coolermaster Hyper 212+ Windows7 Samsung 27" LED Main, 21" Scepter Widescreen (o... 
KeyboardPowerCaseMouse
Razer Tarantula Corsair CMPSU-620HX 620W Antec 900 Razer Deathadder 
  hide details  
Reply
post #4 of 6
EDIT: sorry, didnt' see the part about 7900s or better in SLI. you'll need a big PSU like 600 Watts or more.

let's say a nice 600/650 Watt PSU with 30 Amps or more on the +12V rail. Seasonic is a great brand.
The C'roe
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6320 @ 2.8 Asus P5W DH Deluxe (2) Radeon X1900XTX CF 2GB G.Skill HK 4-4-3-5 
Hard DriveOptical DriveOSMonitor
640 - 2x320 Samsung RAID-0 Dual DVDs XP MCE Acer 22" + Dell 19" LCDs - 2960x1024 rez :D 
KeyboardPowerCaseMouse
Logitech MX Zalman 600W RT Modified Antec 900 Logitech MX 
Mouse Pad
Giant 
  hide details  
Reply
The C'roe
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6320 @ 2.8 Asus P5W DH Deluxe (2) Radeon X1900XTX CF 2GB G.Skill HK 4-4-3-5 
Hard DriveOptical DriveOSMonitor
640 - 2x320 Samsung RAID-0 Dual DVDs XP MCE Acer 22" + Dell 19" LCDs - 2960x1024 rez :D 
KeyboardPowerCaseMouse
Logitech MX Zalman 600W RT Modified Antec 900 Logitech MX 
Mouse Pad
Giant 
  hide details  
Reply
post #5 of 6
here, this Seasonic 650W should be big enough to suit even the most discriminating OCN member. it's expensive and probably more than you'll ever use, but it's also a great, quiet PSU. the peace of mind and not having to worry about your power supply is worth something.

also, at 72 Amps on the +12V rails, it could even handle a pair of 8800GTXs in SLI if you wanted.
The C'roe
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6320 @ 2.8 Asus P5W DH Deluxe (2) Radeon X1900XTX CF 2GB G.Skill HK 4-4-3-5 
Hard DriveOptical DriveOSMonitor
640 - 2x320 Samsung RAID-0 Dual DVDs XP MCE Acer 22" + Dell 19" LCDs - 2960x1024 rez :D 
KeyboardPowerCaseMouse
Logitech MX Zalman 600W RT Modified Antec 900 Logitech MX 
Mouse Pad
Giant 
  hide details  
Reply
The C'roe
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6320 @ 2.8 Asus P5W DH Deluxe (2) Radeon X1900XTX CF 2GB G.Skill HK 4-4-3-5 
Hard DriveOptical DriveOSMonitor
640 - 2x320 Samsung RAID-0 Dual DVDs XP MCE Acer 22" + Dell 19" LCDs - 2960x1024 rez :D 
KeyboardPowerCaseMouse
Logitech MX Zalman 600W RT Modified Antec 900 Logitech MX 
Mouse Pad
Giant 
  hide details  
Reply
post #6 of 6
Thread Starter 
awsome

ty for all the help.

i should be able to find one now
leetbox-2014
(13 items)
 
leetbox420
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4770k 4.1ghz ASUS MAXIMUS VI FORMULA MSI GeForce GTX 780 2x8 G.Skill Trident X 10cl 2400mhz 
Hard DriveHard DriveCoolingOS
256g Samsung 840 PRO SSD 2t Seagate Barracuda HDD Corsair h100i windows 7 ultimate 
MonitorKeyboardPowerCase
Samsung 27" LED Main, 21" Scepter Widescreen (o... Razer Tarantula  Corsair AXi860 Coolermaster HAF X 
Mouse
Razer Deathadder 
CPUMotherboardGraphicsRAM
Core 2 Duo e6750 2.66 Asus Commando EVGA 650Ti GTX 2 1g OCZ Reapers + 2 2g OCZ Reapers 
Hard DriveCoolingOSMonitor
Pheonix III SSD Coolermaster Hyper 212+ Windows7 Samsung 27" LED Main, 21" Scepter Widescreen (o... 
KeyboardPowerCaseMouse
Razer Tarantula Corsair CMPSU-620HX 620W Antec 900 Razer Deathadder 
  hide details  
Reply
leetbox-2014
(13 items)
 
leetbox420
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4770k 4.1ghz ASUS MAXIMUS VI FORMULA MSI GeForce GTX 780 2x8 G.Skill Trident X 10cl 2400mhz 
Hard DriveHard DriveCoolingOS
256g Samsung 840 PRO SSD 2t Seagate Barracuda HDD Corsair h100i windows 7 ultimate 
MonitorKeyboardPowerCase
Samsung 27" LED Main, 21" Scepter Widescreen (o... Razer Tarantula  Corsair AXi860 Coolermaster HAF X 
Mouse
Razer Deathadder 
CPUMotherboardGraphicsRAM
Core 2 Duo e6750 2.66 Asus Commando EVGA 650Ti GTX 2 1g OCZ Reapers + 2 2g OCZ Reapers 
Hard DriveCoolingOSMonitor
Pheonix III SSD Coolermaster Hyper 212+ Windows7 Samsung 27" LED Main, 21" Scepter Widescreen (o... 
KeyboardPowerCaseMouse
Razer Tarantula Corsair CMPSU-620HX 620W Antec 900 Razer Deathadder 
  hide details  
Reply
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