EVGA GeForce GTS 450 GDDR5 PCI Express 2.0 2DVI/Mini-HDMI SLI Ready Graphics Card, 01G-P3-1352-KR GeForce GTS 450 with 783 MHz core clock PCI Express 2.0 1024 MB 128-bit 0.5ns GDDR5 memory 3608 MHz Effective memory clock and 1566 MHz shader clock NVIDIA 2-way SLI ready GeForce GTS 450 with 783 MHz core clock PCI Express 2.0 1024 MB 128-bit 0.5ns GDDR5 memory 3608 MHz Effective memory clock and 1566 MHz shader clock NVIDIA 2-way SLI ready 57.7 GB/sec Memory Bandwidth 25.1 GT/s Texture Fill Rate