The SAPPHIRE R9 285 Dual-X is a new model from SAPPHIRE that features a new GCN core & the company’s Dual-X cooler. Dual-X, with its two aerofoil fans, & set of graduated sizes of heatpipes, is an efficient & quiet cooler design which received industry acclaim in previous generations of products. The R9 285 OC model features the enhanced clock speeds of 965 M Hz for the core & 1400 M Hz for the memory (5.6GB/s effective). Specifications GPU 965 MHz Core Clock 28 nm Chip 1792 x Stream Processors Video Memory 2048 MB Size 256 -bit GDDR5 5600 MHz Effective Display Support 4 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 Dimension 264 (L)X113 (W)X34 (H) mm Size 2 x slot Software Driver CD SAPPHIRE Tri XX Utility