Always looking to deliver the best solutions to the user, even the base model in this family features SAPPHIRE’s highly acclaimed Dual-X cooler. Dual-X, with its two aerofoil fans, & graduated heatpipes, is a design which received industry acclaim in the previous generation of products. The SAPPHIRE R9 280X Dual-X model is the most cost effective member of the family & yet is still overclocked compared with the reference design to give users the best possible value for your money in this performance class. Specifications Display Support 3 x Maximum Display Monitor (s) support Output 1 x HDMI (with 3D) 1 x Display Port 1.2 1 x Dual-Link DVI-D 1 x Dual-Link DVI-I GPU 870/ Boost:1020 MHz Core Clock 28 nm Chip 2048 x Stream Processors Video Memory 3072 MB Size 384 -bit GDDR5 6000 MHz Effective Dimension 262 (L)X112 (W)X34 (H) mm Size 2 x slot Accessory Cross Fire Bridge Interconnect Cable 8 PIN to 4 PIN Power Cable 6 PIN to 4 PIN Power Cable