EVGA GeForce GT 730 2GB Performance: NVIDIA GT 73096 CUDA Cores700 MHz GPU Memory:2048 MB, 128 bit DDR31400 MHz (effective)22.4 GB/s Memory Bandwidth Interface: PCI-E 2.0 16xDVI-I, DVI-I, Mini-HDMI Resolution & Refresh:240Hz Max Refresh RateMax Analog : 2048x1536Max Digital : 4096x2160 Operating System Support: Windows 8 32/64bitWindows 7 32/64bitWindows Vista 32/64bitWindows XP 32/64bit Requirements: Minimum of a 300 Watt power supply.(Minimum recommended power supply with +12 Volt current rating of 20 Amps.)