Galaxy GeForce MDT GT 520 1 GB DDR3 PCI Express 2.0 Quad DVI Multi-display Graphics Card (52GGF4AM5UXX) Support for up to 4 digital displays at up to 1920x1200 resolution Splits 2 discreet outputs into 3 or 4 displays with native horizontal span mode Includes Galaxy EZY Display window management software Supports 2x1, 3x1, 4x1 spanned and 2x2 stacked display modes (landscape) Energy efficient single-slot custom cooled design NVIDIA CUDA technology Microsoft DirectX 11 support Requires digital display. Analog VGA displays are not supported.