Help Me Please! Beast gaming rig cant handle League Of Legends

[VeteranTNT]

So, I got this beast gaming rig:
Specs Are:
CPU: Intel core i7 3960X extreme edition
CPU cooler: Cooler Master Seidon 120XL
Motherboard: ASUS P9X79 WS
RAM: Patriot Viper 3 Low Profile Red 16GB
Storage: Sandisk Ultra II 480GB 2.5" Solid State Drive (I have 3 of them)
Graphics Card: Zotac GeForce GTX Titan X 12GB ArcticStorm Video Card (In dual SLI)
Case: Cooler Master Cosmos Black II ATX
Optical Drive: AsusBW-16D1HT
Operating System: Windows 8.1
Monitors: Asus PB298Q 60Hz 29.0" Monitor (3 of them)
PSU: Corsair 1200w gold

Accessories:
Keyboard: Cooler master Quick-Fire RapidI
Mouse: Mad Catz M.M.O 7
Speakers: Logitech Z906
Headset: Audio-Technica ATH-ADG1 Headset

So why am I lagging on League Of Legends on Singleplayer, even on low settings. PLEASE HELP ME! I cant even run Minecraft! I know im rich! BUt help please

NB. I Only Bought this PC to play games like LoL and Dota. and Occasionally Play Minecraft

 

[Tradesman1]

What PSU?

 

[kwa-e]

NB. I Only Bought this PC to play games like LoL and Dota. and Occasionally Play Minecraft

Suspicious, Nobody would blow this much money on a rig for that.

 

[migronesien]

Maybe you got the sli wrong and are running onboard graphics atm.
Otherwise check your ping.

 

[VeteranTNT]

Maybe you got the sli wrong and are running onboard graphics atm.
Otherwise check your ping.

ive checked the SLI and am not running my graphics off of my CPU so What the FAQ is wrong? im pissed?
8--------------------D Why the long face?