PNY NVIDIA GeForce GTX 650 Ti BOOST OC 2GB 192-bit GDDR5 PCI Express 3.0 SLI Support Graphics Card VCGGTX650TBQXPB-OC Factory Overclocked GPU & Memory Clock Speeds. 	NVIDIA Kepler GPU architectur, 	NVIDIA GPU Bost, 	NVIDIA FXA & TXAA technoloy, 	NVIDIA Adaptive Vertic Sync, Surround Technology. Microsoft DirectX 11, 	NVIDIA PhysX technolog, 	NVIDIA 3D Vision-Read 	NVIDIA SLI Read	NVIDIA CUDA technology with CUDA C/C++, DirectCompute, and OpenCL supprt	NVIDIA PureVideo HD technology. Minimum System Requirements 	PCI Express motherboard with one dual-width x16 graphics slot 	One 6-pin PCI Express supplementary power connector 	Minimum 450W+ system power supply 	Supported Window Operating Systems Package Contents: 	GeForce GTX 650 Ti Boost OC graphics car, 	Quick, Detail Installation Guid, 	Installation DVD, driver PhysX System Softwe, 	One DVI-to-VGA adaptr, 	One 6-pin PCIe to Molex Power Adapter. Warranty: 1 year (will be extended for the lifetime of the original purchaser upon completion of a registration form on PNY's website) CUDA Cores	76, Core/Boot Speed	1006 MHz / 1072 MH, Memory Size	2048 MB GDDR, Memory Frequency	6108 MHz (Effectiv, TDP	140W-Acti, Multi-Screen	4 Concurrent Screen Two Dual Link DVI HDMI DisplayPort, Power Input	1x 6 pin PCI-E Pwer.