Features: 1.Designed for notebooks. 2.Compatible for Windows 7 / Vista / XP and OSX. 3.Fully compatible with USB 2.0 and backward compatible with USB 1.1. 4.A large number of storage devices that support for Windows generality. 5.Supported operating systems: for Windows ME/2000/XP/Vista/7/8/10 and OSX. specification:The PCIe to Dual Memory Card is a Mini Card dual card reader designed for notebooks that implements SSD and Readyboost. Users can easily insert the memory card into the notebook's half-height mini-card slot using the MR14, which is very convenient and simple to operate. The MR14 is not only a card reader, but also has a flash card controller, a DMA hardware engine and a 5V~3.3V/3.3V~1.8V regulator. In addition, the MR14 can also support USB mass storage and fast transfer functions. 1. Designed for notebooks. 2. Memory card dual 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 that support for Windows generality. 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. Compliant with the Secure Digital Card , in accordance with ver. 3.0 (SDXC). 9. The integrated hardware DMA engine enhances the overall performance of data transfer. 10. USB 2.0-based PCI Express semi-mini card design for any PCI Express mini card slot. : Material: ABS Color: Green Size: about 5 x 3 x 1cm/1.97 x 1.18 x 0.39inch 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 will not mind before ordering.