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AMD Athlon ii x4 640 OC Voltage Question

post #1 of 3
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One of the specs of my Athlon ii x4 640 is that the max voltage is 1. 4 However I just saw somebody elses overclocking results and their voltage was 1.575. Is 1.4 the recommended max?
    
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CPUMotherboardGraphicsRAM
Athlon II x4 Propus 640 @ 3.45Ghz Gigabyte ATX AMD870 USB 3.0 Powercolor HD 6850 1Gb G.Skill 6Gb (3x2Gb) DDR3 1333 
Hard DriveOptical DriveOSMonitor
Western Digital Caviar Black 640Gb SONY Black SATA DVD-ROM Drive Windows 7(64-bit) HP 23" LCD 
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Corsair Gaming Series 600W Antec 902 
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post #2 of 3
I think by that they mean stock voltage. 1.4 is way too low to be a max.
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The Butthurt Box
(21 items)
 
   
CPUMotherboardGraphicsGraphics
Intel Core i5 2500K P67 Professional AMD Radeon HD 6950 unlock NVIDIA GeForce GTX 460 2gb 
RAMRAMHard DriveHard Drive
G.Skill Ripjaws G.Skill Ripjaws Intel X25-V Seagate Barracuda 
Hard DriveOptical DriveOSMonitor
WD Goflex USB 3.0 24x DVD R/W DL Win7 Ultermate 64 Acer 20in 1600x900 
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Compaq 20in 1600x900 17in Dell 1280x1024 19in Gateway 1280x1024 Razer Blackwidow mech w/ cherry MX blues 
PowerCaseMouseAudio
Kingwin LZ-750 HAF 932 + sound activated lights Logitech G500 Rosewill USB headset 
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Pentium 4 3.2ghz w/ HT HP Intel IGP 4gb Mushkin DDR2 
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post #3 of 3
hell no 1.4 is not the max. i have an athlon II 630 (basically it's the same as your 640 processor, just lower clocked) and I have mine running in another rig (i don't use it anymore) running at 3.5ghz 1.46 volts. 1.4 is not the max. You can go safely to 1.5 without any issues, although I would try to stay under 1.5.
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