EVGA 01G-P3-N972-TR GeForce 9800 GT 1GB DDR3 PCI-Express 2.0 Graphics Card PCI Express 2.0 Compatible GeForce 9800 GT with 600MHz clock 1GB 256-bit 1.0 ns GDDR3 memory 900 MHz clock with 1800 MHz effective memory rate Full DirectX 10 and Open GL 2.1 Support