VisionTek AMD Radeon 7990 6GB DDR5 PCI Express Graphics Card (900627) 6GB of GDDR5, two of the worlds most advanced GPUs, and an extraordinarily quiet cooler, every single facet of the AMD Radeon 7990 was perfectly engineered to enable an unrivaled DirectX 11.1 gaming experience Step beyond the confines of a single monitor and embrace the true potential of PC gaming with the ultra-high resolutions of AMD Eyefinity multi-display technology Supreme performance with astonishing intelligence, featuring AMD PowerTune technology with Boost to enable automatic overclocking and higher frame rates Designed for the ultra-efficient AMD ZeroCore Power technology, the AMD Radeon HD 7990 GPU shuts down its secondary at idle for unbelievably cool and quiet operation Enables unbeatable video quality through GPU offloading and a wide array of post-processing techniques Supports industry-standard graphics APIs like OpenGL 4.2, third-gen support for DirectX 11, and new support for DirectX 11 PCI Express based PC is required with one X16 lane graphics slot available on the motherboard. Use of 3 or more displays with AMD Eyefinity technology requires a DisplayPort-capable panel or an AMD Eyefinity validated dongle. Supporting Operating Systems: Windows Vista, Windows 7 or Windows 8 operating system. 64-bit operating system highly recommended Included in the box: 7990 PCIe 6GB GDDR5 MBA card, ATI Crossfire ribbon cable, Mini DisplayPort to SL DVI passive, DVI to HDMI adapter, CD Cat 7990 driver, Visiontek Quick Install Guide Rev 2.0, DVI to VGA adapter, 8-pin to 6-pin power cord, 7990 PCIe 6GB GDDR5 VT box, Malta game insert, Malta game sticker