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GPU farm or CPU

post #1 of 3
Thread Starter 
For a dedicated folding rig, which gives most bang for the buck? Assume scouring the used market for parts. I will have to piece meal it. I do not have the budget to put it together at one shot. But if a 2500k/2600k with a good board gives a much better edge than getting a cheap (think 1156) processor running 3 or 4 GPU, I will just start saving up.
Wife's bane
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CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
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GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
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NZXT Hale90 V2 NZXT Switch 810 Logitech G500 Steelseries QcK 
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Wife's bane
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
PowerCaseMouseMouse Pad
NZXT Hale90 V2 NZXT Switch 810 Logitech G500 Steelseries QcK 
Audio
Optical out to Sony receiver; Deftech Monitor 3... 
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post #2 of 3
CPU, by far. An i7 2600k or i5 2500k. Even more so if you run it in Linux (which you would have no reason not to if it's a dedicated Folding rig).
Megadoomer
(14 items)
 
Family Computer
(13 items)
 
 
CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ 4.0Ghz ASUS M4A89GTD PRO Sparkle GTS 450 2x4GB G-Skill Sniper 
Hard DriveCoolingOSMonitor
Samsung F1 1TB CM Hyper 212+ Windows 7 Professional x64 Samsung T220 
KeyboardPowerCaseMouse
Logitech MX3000 Laser CM 1000M HAF 922 Logitech VX Revolution 
CPUMotherboardGraphicsRAM
Q6600 Asus PN5-D 750i Evga GTS 250 2x2GB Crucial Ballistix 
Hard DriveOptical DriveOSMonitor
750GB Hitachi Samsung Super Writemaster Windows 7 Professional x64 19" Dell 
PowerCase
Corsair 450VX Antec 900 
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Megadoomer
(14 items)
 
Family Computer
(13 items)
 
 
CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ 4.0Ghz ASUS M4A89GTD PRO Sparkle GTS 450 2x4GB G-Skill Sniper 
Hard DriveCoolingOSMonitor
Samsung F1 1TB CM Hyper 212+ Windows 7 Professional x64 Samsung T220 
KeyboardPowerCaseMouse
Logitech MX3000 Laser CM 1000M HAF 922 Logitech VX Revolution 
CPUMotherboardGraphicsRAM
Q6600 Asus PN5-D 750i Evga GTS 250 2x2GB Crucial Ballistix 
Hard DriveOptical DriveOSMonitor
750GB Hitachi Samsung Super Writemaster Windows 7 Professional x64 19" Dell 
PowerCase
Corsair 450VX Antec 900 
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post #3 of 3
Definitely CPU. GPU farms need lots of power (expensive psus) and dump lots of heat into the room. Though in my mind a 4 card gpu rig looks cooler, lol.
Main PC
(10 items)
 
File Server
(11 items)
 
 
CPUMotherboardGraphicsRAM
i5 2550k ASUS Maximus V GENE EVGA GeForce GTX 660 Ti+ 3GB w/Backplate 16GB Kingston Hyper-X 
Hard DriveHard DriveCoolingOS
2x Kingston HyperX 3K RAID 0 Seagate USB 3.0 External Drive Thermalright Venomous X Windows 10 Pro x64 
MonitorPower
3x 22" Dell Ultrasharp Corsair CX500 
CPUMotherboardRAMHard Drive
amd a10-7700k ASrock FM2A88M-HD+ Corsair Dominator 2x2GB Toshiba 
Hard DriveHard DriveHard DriveHard Drive
Toshiba Western Digital Green Western Digital Black Western Digital Green 
OSPowerCase
Windows Professional 8.1 OCZ 650W Antec 300 
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Main PC
(10 items)
 
File Server
(11 items)
 
 
CPUMotherboardGraphicsRAM
i5 2550k ASUS Maximus V GENE EVGA GeForce GTX 660 Ti+ 3GB w/Backplate 16GB Kingston Hyper-X 
Hard DriveHard DriveCoolingOS
2x Kingston HyperX 3K RAID 0 Seagate USB 3.0 External Drive Thermalright Venomous X Windows 10 Pro x64 
MonitorPower
3x 22" Dell Ultrasharp Corsair CX500 
CPUMotherboardRAMHard Drive
amd a10-7700k ASrock FM2A88M-HD+ Corsair Dominator 2x2GB Toshiba 
Hard DriveHard DriveHard DriveHard Drive
Toshiba Western Digital Green Western Digital Black Western Digital Green 
OSPowerCase
Windows Professional 8.1 OCZ 650W Antec 300 
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