**ASUS HD 7990: dual-GPU power for an ultra-gaming future**
- 6GB GDDR5 memory for the best gaming experiences in the highest resolutions
- Direct X 11.1 brings new levels of visual realism to PC gaming with top-notch performance
- GPU Tweak helps you modify clock speeds, voltages, fan performance & more, all via an intuitive interface ** Graphics GPU Features**
- Powered by AMD Radeon™ HD 7990
- AMD Eyefinity™ Technology: Extend the view across up to 6 displays to immerse yourself in gameplay & entertainment.
- Cross Fire X Support: Multi-GPU technology for extreme performance.
- AMD HD3D™ Technology: Optimize stereoscopic 3D gaming & movie-watching entertainment.
- PCI Express 3.0: Delivers double the bandwidth per lane of PCIe 2.0 for faster GPU-CPU communication.
- Microsoft Direct X 11.1 API (feature level 11_0): Brings new levels of visual realism to gaming on the PC & get top-notch performance.
- Microsoft Windows 8 compatible: Gives you access to advanced computing experiences with the latest operating system so you get more done with your PC. ** Specifications**
- Graphics Engine: AMD Radeon HD 7990
- Bus Standard: PCI Express 3.0
- Video Memory: GDDR5 6GB
- Engine Clock: 1000 MHz
- Memory Clock: 6000 MHz (1500 MHz GDDR5 )
- Memory Interface: 384-bit x 2
- Resolution: DVI Max Resolution: 2560x 1600
- DVI Output: Yes x 1 (DVI-I)
- Display Port: Yes x 4 (Mini DP)
- HDCP Support: Yes
- 1 x Cross Fire cable
- 1 x DVI to HDMI adaptor
- 1 x Mini DP to DVI adaptor
- Power Consumption: up to 375 Wadditional 8+8 pin PCIe power required
- Software: ASUS GPU Tweak & Driver
- Fan Sink
- Dimensions: 12 " x 4.375 " x 1.45 " Inch / 30.48 x 11.11 x 3.7 Centimeter