The SAPPHIRE ITX Compact R9 380 edition has been developed especially for small form factor PC systems. This model features a shorter PCB, measuring only 171mm long, & an efficient heatpipe cooler with a single dual-ball bearing fan. With its 2GB frame buffer it is no slouch despite its small size. Sharing the latest AMD GCN core with the NITRO & Dual-X models, the SAPPHIRE ITX Compact R9 380 supports Direct X 12, True Audio, AMD Free Sync & Ultra HD. With a SAPPHIRE Performance Index of 3 it is guaranteed to deliver a great gaming experience in high detail at 1080p & beyond. Specifications GPU 1792 Stream Processors 28 nm Graphics Core Next (GNC) 980 MHz Engine Clock Interface PCI-Express 3.0 Memory 256 bit Memory Bus GDDR5 Memory Type 2048 MB Size Displays 4 Outputs Outputs 1 x DVI 1 x HDMI 2 x Mini Display Port Resolution 4096X2160 Pixel Display Port Resolution 2560x 1600 Pixel Dual Link DVI Resolution 1920x 1200 Pixel Single Link DVI Resolution API Open GL 4.5 Open CL 2.0 Direct X 12 Shader Model 5.0 Feature AMD Cross Fire Pro AMD Power Tune AMD Zero Core Power Technology Free Sync Technology AMD Eyefinity Quad HD Display (4K*2K Support) Video Codec Engine (VCE) AMD HD3D Technology Black diamond choke Dual BIOS Cooling Single fan Two-ball bearing Form Factor 2 Part Slot Occupied 170 x 116.15 x 37 Dimension /mm Power Consumption 225W OS Windows 10 Windows 8/8.1 Windows 7 System Requirement 500 Watt Power Supply 1 x 8-pin AUX Power Connector 2 x 8-pin AUX Power Connector is required for Cross Fire X™ system CD-ROM or DVD-ROM drive for installing software PCI Express based PC is required with one X16 lane graphics slot available on the motherboard