Really bad lag issues

Hello, I am having a lot of problems with my games running with fairly low fps. Any ideas on why this is happening and how I can fix it? I play mostly Guild Wars 2 (avg 18 fps), World of Tanks (avg 20fps), and MW3 (avg 72fps). I have tried both overclocking and underclocking and have not found a solution. Perhaps something with the voltage? All three screens are connected with DVI cables

CPU: Intel i7-2600k @ 3.9Ghz
Motherboard: ASUS P8Z68-V/GEN3
RAM: Corsair Vengeance 12gb DDR3 Desktop Memory Kit (1600Mhz, 1.5v)
CPU Cooler: Corsair H100
Video Card: 2x GTX560 Ti (SLI, OC'ed)
Power Supply: Corsair TX750
Hard Drive: Crucial M4 60GB
Hard Drive 2: OCZ Vertex3 60GB
Hard Drive 3: Western Digital Caviar Blue 1TB
Operating System: Windows 7 Home Premium 64 Bit
Other Parts: D-Link DWA-552 XtremeN Network Card, Corsair Link
Monitor: 3x Gateway 21" SLI Surround enabled

Also, I am considering getting this part since I am able to hook it up to my Corsair Link:
Yes? No?
4 answers Last reply
More about really issues
  1. what a f.... okey, try disabling Sli and just use 1 card and play the game, there has to be some problems with the game i dont think its hardware. Nice pc Btw.
  2. I tried disabling SLI already, the games run even worse :(
  3. try upgrading your graphics cards they are super old
  4. Garret_4 said:
    try upgrading your graphics cards they are super old

    You do realize that the question is from 2012... you answered in 2016 and im answering in 2017. HAHAHAHHA
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