EVGA GeForce GTX 460 1 GB GDDR5 PCI-Express 2.0 Graphics Card (01G-P3-1370-TR) NVIDIA 2-way and 3-way SLI ready 3600 MHz memory clock and 1440 MHz shader clock PCI Express 2.0 GEForce GTX 460 with 720 MHz core clock 1024 MB 256-bit 0.5ns GDDR5 memory GEForce GTX 460 with 720 MHz core clock PCI Express 2.0 1024 MB 256-bit 0.5ns GDDR5 memory 3600 MHz memory clock and 1440 MHz shader clock NVIDIA 2-way and 3-way SLI ready