my current parts, please comment
ARCTIC MX-4 Carbon-Based Thermal Compound, Non-Electricity Conductive, Non-Capacitive, Non-Bleeding - 20g
Corsair Hydro Series Extreme Performance Liquid CPU Cooler H100i - Corsair
Corsair Obsidian Series 750D Performance Full Tower Case CC-9011035-WW - Corsair
Corsair Vengeance Pro 16GB (2x8GB) DDR3 2133 MHz (PC3 17000) Desktop, Red
Corsair Professional Series 860 Watt Digital ATX/EPS Modular 80 PLUS Platinum Power Supply AX860i
ASUS P9X79 LE LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
Intel i7-4820K LGA 2011 64 Technology Extended Memory CPU Processors BX80633I74820K
EVGA GeForce GTX 780 Ti Superclocked, 3GB, 3072MB,GDDR5 384bit, Dual-Link DVI-I, DVI-D, HDMI,DP, SLI Ready Graphics Card (03G-P4-2883-KR) Graphics Cards 03G-P4-2883-KR
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total: 1972$ budget :2700$