EXP GDC is a NOTEBOOK external image adapter equipment, including power and other necessary accessories. image card to buy. (screen: use its notebook display need laptop comes with Intel (R) HD image and connected above GTS450 as NVIDIA image.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) Colour: Black Material: PCB + sub-chocolate The basic parameters: Products: Notebook PCI-E expansion device Product 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) 5 Power support: 8P interface: 220W max. DC interface: 150W max. 1. Dual TD compatible switch (hardware conflict resolution) 2. Multistage anti interference circuit 3. Data line reinforcement 4. Multi power automatic switching (support for soft start) 5. High quality imported electronic components 6. Support metal cabinet (optional) 7. Double copper technology to enhance system power supply 8. Isolation protection circuit 9. LED status indicator 10. USB interface extension 11. Lateral 6PIN power supply interface 12. Support for PCI-E X16, actual X1 mode (according to different notebook configuration can be upgraded to X2 mode) Package included: 1 x EXP GDCV8.0 adapter 1 x Expresscard data lines 1x ATX PSU power cable Note: our product doesn't be included with the desktop power supplier, you need to buy it by yourself depend on the actual needs. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.