MSI N560GTX-Ti 448 Twin Frozer III PE/OC - NVIDIA GeForce GTX 560 Ti (448 Cores) PCI-E 16X Graphics Card Chipset: GeForce GTX560 Ti Engine Clock: 750 MHz Video Memory: 1280MB DDR5 Memory Clock: 3900 MHz Memory Interface: 320-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz