Psu help

z34type

Member
Oct 5, 2014
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I build my first gaming rig about 8 months ago and wasn't sure if I'm doing the right thing with the power supply. This is also a budget build. I will list the hardware below.

AMD Vischera FX-6300 Processor 3.50ghz ( 4.1ghz Turbo )
Corsair XMS3 8GB DDR3 Ram
2x Crossfired Asus Direct CU II Radeon HD 7850 2gb GDDR5 ( Total of 4gb)
MSI 970-G43 Motherboard
SeaGate 7200rpm 1.5Tb Hard Drive
Antec Kuhler H20 650 Liquid Cooling
Thermaltake TR2 Bronze 700 watt PSU

I know some games don't support crossfire and some are just crossfire friendly. AMD Drivers we all know they kinda suck with updates. I'm just ruling a few things out. I noticed even games like Minecraft i get shitty fps like 40fps just below 60fps on crossfired or single. Crossfire doesn't really do anything or make it better. Especially on DayZ Standalone as well. I exceed the requirements for some games like Metro Last night and I'm just not getting any smooth frame rates at all. I don't really know how to measure voltage, amps. I'm running 700 watts on my psu to power everything including fans, led lighting etc. I know the minimum for crossfired 7850's are at least 600 watt minimum PCI-E 6 pins x2 and 12 volts 40 amp. Mine is a 12 volt 52 amp I believe. I've heard Power supply can degrade the graphics card performance if its not giving enough juice. So any of you guys know if I have the right psu for my gpu? I know a lot of these can relate to my cpu bottlenecking or other things.