Graphics Core: 450 MHzMemory Interface: 64-bitRAMDACs: 400 MHzFill Rate: 3.6 billion/secMemory Bandwidth: 6.4 GB/secChipset: GeForce™ 8400 GS Shader Clock: 1200 MHzMemory Clock: 800 MHzClock rate: 450 MHzMemory: 256MB SUPPORTING 512MBMemory Type: DDR2Memory Bus: 64 bitOutput: VGA, DVI, HDTVHighlighted Features: Low Profile Compatible [bracket not included] , HDCP Ready , Vista , HDTV ready , RoHS Cooling: Active