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Question about my system

post #1 of 36
Thread Starter 
Not sure if this is the right sub-forum, but since it affects so much I wasn't sure where it belongs.

My sig rig is soon going into a P182. I have bought another EVGA 8800GTS for SLI, but I haven't installed my TRUE or extra fans yet.

As it stands I have 3 case fans and 1 CPU fan. I am running 4x1GB sticks of 667Mhz RAM to equal the 4GB total I have.


So here is my question. I want to get 4x2GB sticks of PC6400 for future proofing and to upgrade a little since I only have 667Mhz now. Will the 600 watt Power Supply I have be enough for 2x8800GTS, 8GB of RAM, 5-7 120mm Yate Loons(will get rid of all current fans and have 2 on my TRUE), and still maintain my 1.1Ghz overclock?

I have already purchased the TRUE, Case and 2nd Video card, but I can't pay for another Power Supply AND buy more RAM. Power Supplies will always be kind of cheap but DDR2 RAM prices are so cheap now I want to get them before they start going back up.

Anyone maybe have a link to a power calculator or have actual experience with this? I don't want people just saying upgrade for the sake of upgrading.
My system
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CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
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Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
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My system
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Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
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post #2 of 36
What's your vcore? I'm calculating over on Extreme Outerversion's PSU Calculator to get a guesstimate.

I used 1.35v for that, and I guessed that you'd go with 7 120mm fans, 2 additional PCI cards (because I wanted to guess on the high side), and I also chose 2 USB devices to again guess on the high side. And as for the Motherboard, I chose High End - Desktop, because I believe our motherboard is considered to be high end.

With my calculations on this thing guessing on the high side, it ended up at 594W. If we go with no PCI cards, it's 565W. If I switch all 7 120mm to LED's, it goes up to 567. A lot of people on here consider this thing to be fairly accurate (but no PSU Calculator can be 100% accurate for obvious reasons).
post #3 of 36
You should be fine. The 8800GTS is incapable of drawing more than 150W from the PSU (75W from the PCIe, 75W from the 6-pin connector). So two in SLI cannot pull more than 300W. The fans and the CPU combine for about 100W, maybe a tiny bit more. That leaves 200W for the rest of the system which is plenty.

However, I see no point in getting 8GB of RAM now... 4GB is even excessive for most users. I think by the time 8GB starts making sense, a couple years will have passed and you'll be ready for a new platform on DDR3.
White Whale
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White Whale
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250GB Samsung Evo Noctua NH-D14 Windows 7 Professional 64-bit 24" Samsung ToC T240 1920x1200 
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Saitek Eclipse (Blue LED) 660W Seasonic Platinum SS-660XP Corsair 600T (white) OCZ Equalizer 
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post #4 of 36
Edited to include the link I forgot to link after I typed the text I wanted to be linked.
post #5 of 36
Quote:
Originally Posted by durch View Post
You should be fine. The 8800GTS is incapable of drawing more than 150W from the PSU (75W from the PCIe, 75W from the 6-pin connector). So two in SLI cannot pull more than 300W. The fans and the CPU combine for about 100W, maybe a tiny bit more. That leaves 200W for the rest of the system which is plenty.

However, I see no point in getting 8GB of RAM now... 4GB is even excessive for most users. I think by the time 8GB starts making sense, a couple years will have passed and you'll be ready for a new platform on DDR3.
Oh, good call. I got so caught up in calculating that I didn't even think about the 8GB. Yeah, all you really need are 2GB, unless you know from experience that 2GB is insufficient for you. But it's not a bad idea to get some good 800MHz DDR2 RAM. Make sure it has that special kind of chip. Isn't it the Micron or something? Wow, I forgot already.
post #6 of 36
Thread Starter 
I think my vcore is around 1.4ish depending on BIOS or what Everest reports. RAM is running at v2.0.

No PCI cards, 1xUSB Headset(Plantronics Gamecome) 1xLogitech G9, 1xUSB foot pedal

2xSATA II Hard Drives 1x IDE DVD Burner and 1xIDE for Linux.
My system
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
KeyboardPowerCaseMouse
Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
Mouse Pad
FuncPad 
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My system
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
KeyboardPowerCaseMouse
Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
Mouse Pad
FuncPad 
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post #7 of 36
Thread Starter 
Quote:
Originally Posted by durch View Post
You should be fine. The 8800GTS is incapable of drawing more than 150W from the PSU (75W from the PCIe, 75W from the 6-pin connector). So two in SLI cannot pull more than 300W. The fans and the CPU combine for about 100W, maybe a tiny bit more. That leaves 200W for the rest of the system which is plenty.

However, I see no point in getting 8GB of RAM now... 4GB is even excessive for most users. I think by the time 8GB starts making sense, a couple years will have passed and you'll be ready for a new platform on DDR3.
Well I wanted to get some 800Mhz RAM for better peformance anyway and 4GB isn't much cheaper than 8GB.

I thought it silly to upgrade from 4GB of 667 to 4GB of 800. I was looking at the G.Skill that can be overclocked to 1000Mhz, so I thought that would be a good upgrade and would get more life out of my computer.....
My system
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
KeyboardPowerCaseMouse
Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
Mouse Pad
FuncPad 
  hide details  
Reply
My system
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
KeyboardPowerCaseMouse
Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
Mouse Pad
FuncPad 
  hide details  
Reply
post #8 of 36
Now I got 588W. I chose:
  • Single Socket
  • High End - desktop
  • e6420
  • overclock to 3200 with 1.4v
  • 2 sticks of DDR2 (to make either 2 GB, or 4GB)
  • 8800GTS 320MB SLI
  • 1 7200 RPM IDE HDD
  • 2 SATA HDD's
  • 1 DVD-RW/DVD+RW drive
  • No PCI cards
  • 3 Additional USB devices
  • 7 120mm LED fans to guess on the high side
  • 30% Capacitor aging
  • Total: 588W
If this calculator is accurate by any means, then you're definitely safe!
post #9 of 36
Thread Starter 
Quote:
Originally Posted by 5CheeseLasagna View Post
Now I got 588W. I chose:
  • Single Socket
  • High End - desktop
  • e6420
  • overclock to 3200 with 1.4v
  • 2 sticks of DDR2 (to make either 2 GB, or 4GB)
  • 8800GTS 320MB SLI
  • 1 7200 RPM IDE HDD
  • 2 SATA HDD's
  • 1 DVD-RW/DVD+RW drive
  • No PCI cards
  • 3 Additional USB devices
  • 7 120mm LED fans to guess on the high side
  • 30% Capacitor aging
  • Total: 588W
If this calculator is accurate by any means, then you're definitely safe!

Thanks for the help!
My system
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
KeyboardPowerCaseMouse
Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
Mouse Pad
FuncPad 
  hide details  
Reply
My system
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E8400 @4Ghz EVGA 780i XFX HD 5850 4GB G.Skill@900Mhz 1:1 Synced 
Hard DriveOptical DriveOSMonitor
640GB WD AAKS, 200GB Maxtor 16X DL w/Lightscribe Win7 x64 19" CRT 
KeyboardPowerCaseMouse
Logitech Multimedia Ultra X3 1000w CM 690 Roccat Kone v2 
Mouse Pad
FuncPad 
  hide details  
Reply
post #10 of 36
Quote:
Originally Posted by 5CheeseLasagna View Post
Now I got 588W. I chose:
  • Single Socket
  • High End - desktop
  • e6420
  • overclock to 3200 with 1.4v
  • 2 sticks of DDR2 (to make either 2 GB, or 4GB)
  • 8800GTS 320MB SLI
  • 1 7200 RPM IDE HDD
  • 2 SATA HDD's
  • 1 DVD-RW/DVD+RW drive
  • No PCI cards
  • 3 Additional USB devices
  • 7 120mm LED fans to guess on the high side
  • 30% Capacitor aging
  • Total: 588W
If this calculator is accurate by any means, then you're definitely safe!
Not entirely. That is pushing a PSU to its limits. Also you forgot to factor in the efficiency of the PSU. I say around 74%. So a 600W PSU is actually putting out 444watts. So I say no, get a much better PSU for SLI.
Ryzen 7 1700
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Ryzen 7 1700
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Samsung 950 Pro 512GB PCIe/NVME SSD Xigmatek Scylla 240 AIO Win10 Pro X64 Qnix QX2710LED @ 110hz 
KeyboardPowerCaseMouse
Cooler Master Masterset MS121  EVGA G2 850 w/EVGA Black Cableset Lian Li Test Bench Cooler Master Masterset MS121  
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