Palit GeForce GTX 770 OC •OC Edition •Increase 7% DX11 performance* •7Gbps memory-the fastest ever on a GPU •GPU Boost 2.0 •NVIDIA SHIELD gaming portable ready •Palit Innovation Design •Copper Base •6-phase core PWM + 2-phase memory PWM •DrMOS : Better Power Efficiency •Better Overclocking Performance •2 slot cooler ready for 3 way SLI •Better thermal design, lower acoustic level •Overclocking Utility: ThunderMaster •*Unigine Heaven v2.5 (DX11) 1920x1200 None AA/4AF GeForce GTX 770 •NVIDIA® TXAA™ technology •NVIDIA GPU Boost 2.0 NE5X770S1042-1045F •NVIDIA PhysX® technology GK104 •NVIDIA FXAA™ technology •NVIDIA Adaptive Vertical Sync 28nm •NVIDIA Surround™ 1536 cores •Support for four concurrent displays including: •Two dual-link DVI 2048 MB •HDMI 256 bit •DisplayPort 1.2 •Microsoft DirectX 11.1 API (feature level 11_0) GDDR5 •NVIDIA SHIELD™-Ready 1085 MHz •NVIDIA 3D Vision®-Ready •NVIDIA SLI®-Ready 1137 MHz •NVIDIA CUDA® technology 3505MHz (DDR 7010MHz) •PCI Express 3.0 support •OpenGL 4.3 support 224.3 (GB/Sec) 229 W DisplayPort 1.2 HDMI 1.4a © 2013 NVIDIA Corporation. NVIDIA, the NVIDIA logo, and GeForce are registered trademarks of NVIDIA Corporation in the U.S. and other countries. All rights reserved. Graphics card require: PCI Express-compliant motherboard with one dual-width x16 Dual-Link DVI-I graphics slot One 8-pin and one 6-pin PCI Express supplementary power connectors Dual-Link DVI-D Minimum 600W or greater system power supply (with a minimum 12V current rating of 42A) Driver Disc Manual Power Cable DVI-CRT Adapter Supported Operating Systems: Windows 8, Windows 7, Windows Vista or Windows XP Operating System (32 or 64-bit) PCB: 254mm(L) x 112mm(W) Box: 400x270x72mm Board: 280mm (L) x 112mm(W) Retail Pack: 10 pcs per carton Cooler :2 slot Bracket: 2 slot GTX 770_K1045B_F206 .