Multiple Monitors Support: Yes RAM (installed): 4 GB 4GB GDDR5 4.7"h x 0.9"w x 6.7"d (4) Mini DisplayPort Consumption: 46W (typ.) OS Required: Microsoft Windows 7 64-bit Edition, Microsoft Windows 7 32-bit Edition, Windows 8/8.1, Windows 10 External Resolution (max): 4096 x 2160 Video Memory Technology: GDDR5 Video Output Type: Mini DisplayPort Video RAM (installed): 4 GB Video Slot Type: PCI Express 2.0 x16