Overclock.net › Forums › Graphics Cards › NVIDIA › 18A@12V enough for OC'd 8800GTS 512?
New Posts  All Forums:Forum Nav:

18A@12V enough for OC'd 8800GTS 512?

post #1 of 29
Thread Starter 
The topic basically says it all. I have a 430W PSU supplying 18A on the 12V rail. Will it be enough for a overclocked 8800GTS 512?

Thanks in advance to responses
Monster.
(13 items)
 
  
CPUMotherboardGraphicsRAM
E2180 @ 3.0 GHz GA-P35-DS3L (rev 2.0) EVGA 8800GT OCZ Reaper HPC 2x1GB DDR2-800 
Hard DriveOptical DrivePowerCase
WD Caviar SE16 500GB Lite-On 20x DVD Burner Corsair TX650 Coolermaster Elite 330 
  hide details  
Reply
Monster.
(13 items)
 
  
CPUMotherboardGraphicsRAM
E2180 @ 3.0 GHz GA-P35-DS3L (rev 2.0) EVGA 8800GT OCZ Reaper HPC 2x1GB DDR2-800 
Hard DriveOptical DrivePowerCase
WD Caviar SE16 500GB Lite-On 20x DVD Burner Corsair TX650 Coolermaster Elite 330 
  hide details  
Reply
post #2 of 29
Not even remotely close.

I'd say, 30A on the 12V rail(s) is a safe minimum.
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
Reply
post #3 of 29
8800GTS needs 9-10A by itself leaving not much for the rest of the system.
Once again...
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 [4.28GHz, HT] Asus P6T + Broadcom NetXtreme II VisionTek HD5850 [900/1200] + Galaxy GT240 2x4GB G.Skill Ripjaw X [1632 MHz] 
Hard DriveOSMonitorKeyboard
Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
PowerCaseMouseMouse Pad
Antec Truepower New 750W Li Lian PC-V2100 [10x120mm fans] Logitech G9 X-Trac Pro 
  hide details  
Reply
Once again...
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 [4.28GHz, HT] Asus P6T + Broadcom NetXtreme II VisionTek HD5850 [900/1200] + Galaxy GT240 2x4GB G.Skill Ripjaw X [1632 MHz] 
Hard DriveOSMonitorKeyboard
Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
PowerCaseMouseMouse Pad
Antec Truepower New 750W Li Lian PC-V2100 [10x120mm fans] Logitech G9 X-Trac Pro 
  hide details  
Reply
post #4 of 29
It would only be enough if you had a dual rail system. 18A + 18A. Which you don't have on that PSU. If you need a cheap good PSU the Rosewill 550W PSUs are highly recommended by Johnny Guru (PSU guru)

http://www.newegg.com/Product/Produc...82E16817182010
Raptor Raper
(13 items)
 
  
CPUMotherboardGraphicsRAM
Something with transistors FOXCONN Boodrage -> eVGA classified e760 GTX 480 / HD6850@1090/1200 3x2 gig G Skill Trident DDR2000 
Hard DriveOptical DriveOSMonitor
2x128GB Crucial C300 Sumsung SATA DVD-RW 64 bit Windows 7 Samsung 245BW 
KeyboardPowerCaseMouse
Microsoft curve Tagan ITZ 800W DD Torture Rack Diamondback 
  hide details  
Reply
Raptor Raper
(13 items)
 
  
CPUMotherboardGraphicsRAM
Something with transistors FOXCONN Boodrage -> eVGA classified e760 GTX 480 / HD6850@1090/1200 3x2 gig G Skill Trident DDR2000 
Hard DriveOptical DriveOSMonitor
2x128GB Crucial C300 Sumsung SATA DVD-RW 64 bit Windows 7 Samsung 245BW 
KeyboardPowerCaseMouse
Microsoft curve Tagan ITZ 800W DD Torture Rack Diamondback 
  hide details  
Reply
post #5 of 29
Haha definitely not enough power. I'd be amazed if the fans would even turn on, much less the system actually POST.
post #6 of 29
Quote:
Originally Posted by Ihatethedukes View Post
It would only be enough if you had a dual rail system. 18A + 18A. Which you don't have on that PSU. If you need a cheap good PSU the Rosewill 550W PSUs are highly recommended by Johnny Guru (PSU guru)
Dual rail aren't 18A+18A in most cases still.

Get this EarthWatts 500w for $50AR shipped. It has 12v@34A: http://www.newegg.com/Product/Produc...82E16817371007
Once again...
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 [4.28GHz, HT] Asus P6T + Broadcom NetXtreme II VisionTek HD5850 [900/1200] + Galaxy GT240 2x4GB G.Skill Ripjaw X [1632 MHz] 
Hard DriveOSMonitorKeyboard
Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
PowerCaseMouseMouse Pad
Antec Truepower New 750W Li Lian PC-V2100 [10x120mm fans] Logitech G9 X-Trac Pro 
  hide details  
Reply
Once again...
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 [4.28GHz, HT] Asus P6T + Broadcom NetXtreme II VisionTek HD5850 [900/1200] + Galaxy GT240 2x4GB G.Skill Ripjaw X [1632 MHz] 
Hard DriveOSMonitorKeyboard
Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
PowerCaseMouseMouse Pad
Antec Truepower New 750W Li Lian PC-V2100 [10x120mm fans] Logitech G9 X-Trac Pro 
  hide details  
Reply
post #7 of 29
Both the Rosewill and the Earthwatts are nice PSUs for the price.
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
Reply
post #8 of 29
my psu was $100 (look in my sig), modular with 36A @ 12V. I know its not the best psu out there but it will support most of the cards out.
T3k
(13 items)
 
The Tibaldi
(9 items)
 
WooJoo
(13 items)
 
CPUMotherboardGraphicsGraphics
Intel i5 3210 h77 HD4000 GeForce 640 LE 
RAMHard DriveOSOS
4gb of something 5400rpm slowness 13.04 Ubuntu x64  Windows 8 Pro 
Monitor
1920x1080 
CPUMotherboardGraphicsRAM
965 BE 4.0GHZ (250 x 15.5) @1.5V m2n32 sli deluxe - 2000mhz @ 1.3V Asus TOP 5850 1GB 950/1200 Kingston HyperX 5-5-5-15 
Hard DriveOptical DriveOSMonitor
WD Velociraptor 150GB, WD raptor 74gb TDK 880N DVDRW Windows 7 x64 Ultimate Westinghouse 22" lcd 
KeyboardPowerCaseMouse
saitek eclipse II Corsair 620W modular Cooler Master ATCS 840 black emprex 
  hide details  
Reply
T3k
(13 items)
 
The Tibaldi
(9 items)
 
WooJoo
(13 items)
 
CPUMotherboardGraphicsGraphics
Intel i5 3210 h77 HD4000 GeForce 640 LE 
RAMHard DriveOSOS
4gb of something 5400rpm slowness 13.04 Ubuntu x64  Windows 8 Pro 
Monitor
1920x1080 
CPUMotherboardGraphicsRAM
965 BE 4.0GHZ (250 x 15.5) @1.5V m2n32 sli deluxe - 2000mhz @ 1.3V Asus TOP 5850 1GB 950/1200 Kingston HyperX 5-5-5-15 
Hard DriveOptical DriveOSMonitor
WD Velociraptor 150GB, WD raptor 74gb TDK 880N DVDRW Windows 7 x64 Ultimate Westinghouse 22" lcd 
KeyboardPowerCaseMouse
saitek eclipse II Corsair 620W modular Cooler Master ATCS 840 black emprex 
  hide details  
Reply
post #9 of 29
If you want to spend a bit more than $50, buy.com has some excellent deals on the Corsair PSUs:
http://www.buy.com/retail/usersearch...01&display=col

These PSUs are all very very good.

The VX 550W boasts a single 12V rail of 41A, which is more than plenty. For $70 (shipped!), it's a steal.

The 620W modular is just plain awesome. 50A on what is marketed/specified as triple 12V rails, but technically and electronically is actually a single 12V rail. That will allow you to go SLI even with power to spare. And modular to top it of. For $115? Unbelievable.
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
KeyboardPowerCaseMouse
N/A Corsair HX520 Coolermaster Cavalier N/A 
Mouse Pad
N/A 
  hide details  
Reply
post #10 of 29
Thread Starter 
thanks for everybody's responses! +REP for those of you who gave great suggestions. Sorry Chozart, wish I could give you some rep. :T

I am leaning towards the VX550. 41A on a single rail sounds fantastic at that price. Hopefully that will provide me enough headroom for any upgrades I will have in the future. I don't plan on getting SLI or anything though. The rebate technically ends today (4/14), but I'll see tomorrow if theres another one for the second half of April.
Monster.
(13 items)
 
  
CPUMotherboardGraphicsRAM
E2180 @ 3.0 GHz GA-P35-DS3L (rev 2.0) EVGA 8800GT OCZ Reaper HPC 2x1GB DDR2-800 
Hard DriveOptical DrivePowerCase
WD Caviar SE16 500GB Lite-On 20x DVD Burner Corsair TX650 Coolermaster Elite 330 
  hide details  
Reply
Monster.
(13 items)
 
  
CPUMotherboardGraphicsRAM
E2180 @ 3.0 GHz GA-P35-DS3L (rev 2.0) EVGA 8800GT OCZ Reaper HPC 2x1GB DDR2-800 
Hard DriveOptical DrivePowerCase
WD Caviar SE16 500GB Lite-On 20x DVD Burner Corsair TX650 Coolermaster Elite 330 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: NVIDIA
Overclock.net › Forums › Graphics Cards › NVIDIA › 18A@12V enough for OC'd 8800GTS 512?