Brand new and high quality Description: This is the external graphics adapter equipment for laptops; it can help you use the external independent high-performance graphics, can be used to access all PCI-E interface equipment, used to improve the performance of the laptop, allowing you to play the huge games that require high-performance graphics. Upgrade Features: Dual TD compatible switch (hardware conflict resolution) Multi-stage anti-interference circuit Data line reinforcement Automatic switching of multiple power sources (support for soft start) High-quality imported electronic components Support for metal chassis Dual copper technology to enhance system power supply Isolation protection circuit LED status indicator USB interface extension Side-mounted 6PIN power supply interface Unsupported Models: (Partial list) For unsupported laptop models, we recommend the user NOT to attempt to use it with our product. NOTE: DO NOT PURCHASE if you have the following laptops. (N55SF, N75 ACPI, A53XI24 1SV-SL, K43SD, A73S, K53SD, X8dij, A43s, n55sl, k45dr) E530, L430, E43, U410, E49, K49, G50-75M(New addition) H533OM, 6910, 5310M Hasee ui45, EVI4 Haier T68 Acer 4739z Acer E1-451G 450 Specifications: Product Type: Laptop PCI-E Expansion Unit Product Positioning: Performance upgrade for laptop. (PS: Win XP, Win8/8.1 are only compatible with the laptop with an external display) Supports PCI-E X16, actually X1 mode (depending on different laptop configurations, can be upgraded to X2 mode) Operating System: Windows XP/7/8/8.1, Linux etc. Input Interface: Mini PCI-E interface Power Input/Output Interface: Supports external DELL power adapter or power; 8P interface: 220W max. DC interface: 5.5x 2.1mm, 150W max, supports soft switching function. (cable without 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 (Reminder: Win XP, Win8/8.1 are only compatible with the laptop with an external display) Material: Plastic Color: Black (as shown in pictures) PCI-E Adapter Size: 14.4×3.7×2.5cm/5.67×1.46×0.98in (approx.) Mini PCI-E Cable Length: 75cm/29.53in (approx.) PSU Power Cable Length: 15.3cm/6.02in (approx.) Quantity: 1 set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. please make sure you don't mind before bidding. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X PCI-E Adapter 1 X Mini PCI-E Cable (75cm length) 1 X PSU Power Cable (15.3cm length) 1 X User Manual