1 x Riser Card PCIe to Dual TF Card is a mini card (Micro-SDXC/SDHC/SD) dual card reader designed for that can realize SSD and Readyboost functions. Users can easily insert TF card into half-height mini card slot of notebook by using MR14, which is very convenient and simple to operate. MR14 is not only a card reader, but also has functions of a flash card controller, a DMA hardware engine and a 5V~3.3V/3.3V~1.8V voltage regulator. In addition, MR14 can also support USB mass storage and fast transfer functions Specifications: Designed for Micro-SD card dual card reader Compatible with 7/Vista/XP and OS Fully compatible with USB2.0 and backward compatible with USB1.1 Support general mass storage devices. Support : ME/2000/XP/Vista/7/8/10 and OS. Complies with USB Device Class Definition for Mass Storage and Bulk-Transport V1.0 Complies with Secure Digital Card (SD) specification up to ver. 3.0 (SDXC). Integrated hardware DMA engine enhances overall performance of data transfers. USB 2.0 based PCI Express Half-Mini Card design, suitable for any PCI Express Mini Card slot. Color: As Shown Material: PCB Package Contents: 1 x Mini Pci-E Adapter 2 SSD HDD Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.