Full Details on Amazon.com : http://www.amazon.com/gp/product/B000ZN2ONI?tag=tsukuyomi-20
EVGA 256-P2-N733-LR e-GeForce 8400GS 256MB PCI-E Graphics Card
PCI Express x 16 Compatibility PCI Express Compliant
256-bit GeForce 8400GS with 459MHz clock
256MB 64-bit DDR2 memory
2665 MHz clock533 MHz effective memory rate
DirectX 10 Support