Bus Type: PCI-E 3.0 Memory Detail: 2048MB DDR5 Memory Bit Width: 128 Bit EVGA GT 740 - 10X faster video editing, 13X faster photo editing, 9X faster web browsing, and 4X faster gaming performance compared to integrated graphics. EVGA's 24/7 Technical Support Base Clock: 1085 MHz Memory Clock: 5000 MHz Effective Size:2GB