Laptop Docking Stations descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Pci-e V8.4d Exp Gdc External Laptop Video Card Dock / Laptop-docking Station. Features: Type:Laptop Docking Stations,This is the Laptop External Graphics Adapter Equipment; It Can Help You to Use the External Independent High-performance Graphics, Can Be Used to Access Any of the PCI-E Interface Equipment, Used to Enhance the Performance of the Laptop, So That You Can Play Those Huge Games Requesting High-performance Graphics.Upgrade Features:Dual TD Compatible Switch (hardware Conflict Resolution),Multistage Anti Interference Circuit Data Line Reinforcement,Multi Power Automatic Switching (support for Soft Start), Imported Electronic Components,Support Cabinet ,Double Copper Technology to Enhance System Power Supply,Isolation Protection Circuit,LED Status Indicator,USB Interface Extension,Lateral 6PIN Power Supply Interface Unsupported Model: (Partial List),For Those Unsupported Laptop Model, We Advice the User DO NOT Try to Use It with Our Product.Products Type: Laptop PCI-E Expansion Device Product Positioning: Laptop Performance Upgrade.(PS: Win XP, Win8/8.1 is Only Compatible with the Laptop with External Screen) Support for PCI-E X16, Actual X1 Mode (according to Different Laptop Configuration Can Be Upgraded to X2 Mode) Specifications: Operating System: Windows XP/7/8/8.1, Linux Etc. Input Interface: Mini PCI-E Interface Power Input/output Interface: Support External DELL Power Adapter or ATX Power; 8P Interface: 220W Max. DC Interface: 5.5x 2.1mm, 150W Max, Support Soft Switch Function.( ATX Cable with No Power Limit) Extended Support: PCI-E X16:DMI GT/s (X1) 5 Other Function: CTD Switch(Timedelay): 6S PTD Switch (Timedelay): 7S, 14S USB:1.0/1.1/2.0 (Remind: Win XP, Win8/8.1 is Only Compatible with the Laptop with External Screen) Quantity: 1 Set (other Accessories Demo in the Picture is Not Included) Colour:black Material:PCB+Asian Chocolate Size:PCI-E Adapter Size: 14.4×3.7×2.5cm/5.67×1.46×0.98inin (Approx.) Mini PCI-E Cable Length: 75cm/29.53in (Approx.) ATX PSU Power Cable Length: 15.3cm/6.02in (Approx.) Package Included: 1 X PCI-E Adapter 1 X Mini PCI-E Cable 1 X ATX PSU Power Cable 1 X User Manual. Products number : SOMONO106949