PNY NVIDIA GeForce GTX 770 OC2 4GB GDDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card VCGGTX7704XPB-OC2 PCI Express compliant motherboard with one dual-width x16 graphics slot One 8-pin and One 6-pin PCI Express supplementary power connectors Minimum 600W or greater system power supply (with a minimum 12V current rating of 42A) 300 MB of available hard-disk space 4GB system memory GeForce GTX 770 graphics card