Crank up your laptop´s gaming power with the EXP GDC Laptop External Independent Video Card Dock with Mini PCI-E Interface! Since it is rarely possible to replace the graphics card in laptop， the external video card dock offers a perfect， cost-saving option to enhance laptop performance. This video card dock supports external use， internal use， and dual-use when connected to external monitor of laptop. LED status indicator lets you know current working status. And it is engineered to stand on tables or desks. It surely is worth your investment! Features Ideal for cranking up gaming performance， enhancing GPU commuting， building pro video workstation， and more<br> Built with multi power protection， automatically switch power supply<br> Multi-channel and high performance power management system<br> Upgraded to full solid state high capacitance<br> Reinforced design for faster data transfer<br> CTD and PTD: dual two-level TD compatible mode switch<br> Multistage anti-jamming circuit， support 4K display<br> LED status indicator lets you know current working status<br> Highly integrated interface， single cord connection， keep the desk clean<br> Engineered to stand on tables or desks<br> Support USB expansion<br> Support external use， internal use， and dual-use when connected to external monitor of laptop<br> Double copper technology enhances system stability<br> High quality components， strict， long-time aging test <br> Specifications Support PCI-E X16 <br> Operating System Windows XP/7/8/8.1， MAC OS， Linux etc. <br> Cooler Fan No <br> Extended Support PCI-E X16: DMI 5 GT/s <br> Power Support 8P Interface: 220W Max， DC Interface: 150W Max <br> Color Black <br> Material Electrical Components <br> Interface PCI， USB 2.0 <br> Output Resolutions 640 x 480， 800 x 600， 1024 x 768， 1280 x 720 ， 1280 x 768 ， 1280 x 800 ， 1280 x 1024 <br> Input Interface Mini PCI-E(WLANWWANDMC)， Expresscard(34#/54#)， NGFF(Slot A)， Thunderbolt ， HDMI <br> Weight 5.64 oz / 160 g <br> Dimensions (5.32 x 1.38 x 0.91) " / (13.5 x 3.5 x 2.3) cm (L x W x H) <br> Package Includes 1 x EXP GDC PCI-E Adapter<br>1 x Mini PCI-E Cable (80cm Length)<br>1 x ATX PSU Power Cable (11cm Length)