Gigabyte R9 270 GDDR5-2GB 2xDVI/HDMI/DP OC Graphics Card (GV-R927OC-2GD) Gigabyte Ultra Durable VGA Components - 2 oz Copper PCB - Japanese Solid Capacitor - Tier 1 Samsung/Hynix Memory - Ferrite Core / Metal Chokes - Ultra Cooling Low RDS(on) MOSFET Design WINDFORCE 2X Anti-turbulence cooling Core Clock: 950 MHz (Base) 975 MHz (Boost) - Memory Clock: 5600 MHz Features DVI-I / DVI-D / HDMI / Displayport Output Recommended Minimum System PSU 500W Supports AMD Crossfire / HD3D / Eyefinity / Catalyst / GCN Architechture