EVGA GeForce GT 740 Superclocked FTW 1GB GDDR5 Graphics Cards 01G-P4-3742-KR Chipset: NVIDIA GeForce GT 740 Core Clock:1202 MHz Video Memory: 1GB GDDR5 Memory Interface: 128-bit Max Resolution: 4096 x 2160, Support 3x Display Monitors Connectors: DVI-I, DVI-D, Mini HDMI Base Clock: 1202 MHZ Memory Clock: 5000 MHz Effective CUDA Cores: 384Bus Type: PCI-E 3.0 Memory Detail: 1024MB GDDR5Memory Bit Width: 128 Bit Memory Speed: 0.4nsMemory Bandwidth: 80 GB/s NVIDIA PhysX technology NVIDIA SMX Engine NVIDIA Adaptive Vertical Sync NVIDIA Surround Microsoft DirectX 12 API (feature level 11_0)Support NVIDIA 3D Vision Ready NVIDIA CUDA Technologic Express 3.0 Support OpenGL 4.4 Support NVIDIA FXAA Technology NVIDIA TXAA Technology NVIDIA Pure Video HD Technology Requirements: 400 Watt or greater power supply with a minimum of 20 Amp on the +12 volt rail. PCI Express, PCI Express 2.0 or PCI Express3.0 compliant motherboard with one graphics slot. An available 6-pin PCI-E power connector. Windows 8 32/64bit, Windows 7 32/64bit,Windows Vista 32/64bit, Windows XP 32/64bit