The PCIe to Dual Memory Card is a dual mini-card reader designed for laptops that implement SSD and Readyboost. Users can easily insert the memory card into the laptop's half-height mini-card slot using the MR14, which is very convenient and simple to use. The MR14 is not only a card reader, but also has a flash card controller, DMA hardware engine and 5V~3.3V/3.3V~1.8V regulator. In addition, the MR14 can also support USB mass storage and fast transfer functions. Features: 1. Designed for laptops. 2. Dual card memory card reader. 3. Compatible for Windows 7 / Vista / XP and OSX. 4. Fully compatible with USB 2.0 and backward compatible with USB 1.1. 5. A large number of storage devices supporting general Windows. 6. Supported operating systems: for Windows ME/2000/XP/Vista/7/8/10 and OSX. 7. USB Device Class Definition for Large-Scale Storage and Bulk Transfer V1.0 8. Complies with the Secure Digital Card specification, in accordance with ver. 3.0 (SDXC). 9. Built-in hardware DMA engine improves overall data transfer performance. 10. USB 2.0 based PCI Express semi-mini card design for any PCI Express mini card slot. < br /> Specifications: Material: ABS Color: Green Size: approx. 5 x 3 x 1 cm/1.97 x 1.18 x 0.39 inch Package List: 1 x Adapter Card 1 x Accessory Kit Note: Please note that the new type and old type of this product will be sent randomly, and make sure you do not mind before ordering.