PC Specs:

Intel Core i7-3770K Socket 1155, 3.50Ghz, 8MB L3 Cache, 22nm 
ASUS P8H77-V LE Socket 1155 Intel H77 Chipset
Corsair Vengeance Blue 16GB DDR3 1600MHz
ASUS (GTX660 TI-DC2O-2GD5) NVIDIA GeForce GTX 660 Ti 2GB GDDR5 - 967 MHz Clock, 6008 MHz Memory
Corsair AX860i Digital ATX Power Supply Fully-Modular 860Watt 80PLUS Platinum Certified w/Corsair Link
Fractal Design Define R4 Arctic White USB3.0 Mid ATX Case
Corsair Hydro Series H100i Extreme Performance Liquid CPU Cooler w/LINK
Windows 7 Pro (64bit)
Samsung 840 Series 250GB 2.5" SATA 6Gb/s Solid State Drive
WD SETAII 7200 (Green) 1.5 TB
Samsung SyncMaster 2443BW 24inch wide 1920x1200
Razer Copperhead Mouse
Corsair Air Series SP120 Quiet Edition 120 mm
Corsair Air Series AF140 Quiet Edition 140 mm
Full size Apple Mac Keyboard
Xbox360 USB controller

Everything runs smooth on 64 player Server at Ultra @ 70+ fps setting. =)