Specifications:EXP GDC is a NOTEBOOK external graphics adapter equipment, including power and other necessary accessories. Graphics card to buy.（screen: use its notebook display need laptop comes with Intel (R) HD graphics and connected above GTS450 as NVIDIA graphics.Otherwise you need external monitor.）The main parameters:Support for PCI-E X16, the actual X1 mode (according to different notebook configuration can be upgraded to X2 mode)The basic parameters:Products: Notebook PCI-E expansion deviceProduct positioning: Notebook performance upgrade.Operating system: Windows XP/7/8/8.1, Linux etc.(Remind: Win XP, Win8/8.1 is only compatible with the laptop with external screen)Extended support:PCI-E X16:DMI GT/s (X1) 5Power support:8P interface: 220W max.DC interface: 150W max.Features:1. Dual TD compatible switch (hardware conflict resolution)2. Multistage anti interference circuit3. Data line reinforcement4. Multi power automatic switching (support for soft start)5. High quality electronic components6. Support metal cabinet (optional)7. Double copper technology to enhance system power supply8. Isolation protection circuit9. LED status indicator10. USB interface extension11. Lateral 6PIN power supply interface12. Support for PCI-E X16, actual X1 mode (according to different notebook configuration can be      upgraded to X2 mode)ote: our product doesn't be included with the desktop power supplier, you need to buy it by yourself depend on the actual needs.Customer questions:Question1: My laptop is xxx-xxx, will my laptop compatible with the EXP GDC?Answer:As long as your laptop has a mini pci e slot, theory,it could be used.Already known computer that don't compatible with it is as below:Lenovo E530,L430,E43,U410, E49, K49HP 5310M HP H533OM 6910ASUS N55SF N75 ACPI ASUS A53XI241SV-SL X8dij K53SDChina ui45 EVI4Haier T68Acer 4739zQuestion 2:What graphic cards should I choose?Answer:The list of recommended graphics cardQuestion 3: What power supply should I use?Answer: We only offer ATX cable with the package to power the EXP GDC.Please choose external power for your graphics card.6P power output:The maximum provides the interface output 6PIN+8PIN, maximum support 12A, maximum support 18A output with the motherboard and the. If more than 220W using power card please with ATX cable, ATX power supply used for the graphics.8P power supply interface:The main board and the equipment of the power supply interface, support soft switch function (notebook starting power starting, notebook shut down power off). The power of this interface, you can use 1 special DELL 220W, 2, can be matched with ATX cable using the ATX power to support external graphics power, soft switching function.DC power supply interface:Support DC 12 volt power supply input interface type outer diameter 5.5MM, inner diameter 2.1MM, maximum power 150W, support the soft switch function.Question 4: Could it work with its own monitor?Answer: If you use the AMD series card,it must to connect with the external monitor to use.If you use N series card which over GTS450, and your laptop own Intel Core graphics ,and use the EGPU software to set,then it can use the laptop internal monitor,otherwise,it need to connect with the external monitor.