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 standard R9 285 model has 2GB of the latest GDDR5 memory clocked at 1375 M Hz (5.5GB/s effective) & a GCN core with 1792 stream processors clocked at 918 M Hz. Specifications GPU 918 MHz Core Clock 28 nm Chip 1792 x Stream Processors Video Memory 2048 MB Size 256 -bit GDDR5 5500 MHz Effective Display Support 4 x Maximum Display Monitor (s) support Outputs 1 x HDMI (with 3D) 1 x Display Port 1.2 1 x Dual-Link DVI-D 1 x Dual-Link DVI-I
Dimensions 264 (L)X113 (W)X34 (H) mm Size 2 x slot Software Driver CD SAPPHIRE Tri XX Utility System Requirements PCI Express based PC is required with one X16 lane graphics slot available on the motherboard 4X75 Watt 6-pin PCI Express power connector is required for Cross Fire X system 2X75 Watt 6-pin PCI Express power connector is required 4096MBMinimum of system memory Installation software requires CD-ROM drive DVD playback requires DVD drive Blu-ray / HD DVD playback requires Blu-ray / HD DVD drive 500 Watt Power Supply is required 850 Watt Power Supply is recommended for Cross Fire X System