GIGABYTE GeForce GT 520 Silent 1GB DDR3 PCI Express 2.0 DVI-I / D-Sub / HDMI Low Profile Graphics Card, GV-N520SL-1GI GIGABYTE Passive 0dB silent Heatsink for absolutely silent operation Gold plated HDMI for optimum signal transfer between connections Features DVI-I / D-Sub / HDMI outputs with HDCP protection Core Clock: 810MHz - Memory Clock: 1200MHz Supports Nvidia PhysX / CUDA technologies Recommended Minimum Power Supply 300W Form Factor: Low Profile Ready