Dual - SD to Mini PCIe adapter is low - cost SSD and for - boost solution for laptop computers. Your - SD card can easily into the half the size of the Mini card slot of newer laptops with MR15 The item design of 2 - SD slots, integrates a high performance AU6472 flash card controller as as a splendidly efficient hardware DMA engine and an internal 1.8 V regulators. While it is fully compliant with The USB Device Definition for Storage and Bulk - Transport V1.0. Boosts System Performance in Windows 7. perfect for use with the - SD for ReadyBoost and Data backup. A Windows feature allows you to boost your System Performance with fast caching directly to the - SD Card. This allows you to access the Data stored on your - SD Card - than accessing it from your hard disk drive. Designed for use with laptop or netbook computers. Designed 2 slots for two MicroSD cards Type: On Cards Type: Cable Adapter Interface Type: MINI PCIE Compatible with Windows 7 or Vista or XP and OS Fully compatible with USB 2.0 High Speed and backward compatible with USB 1.1 specifications. Windows generic Storage driver supported. Supports Windows ME or 2000 or XP or Vista or 7 and OS. Complies with USB Device Definition for Storage and Bulk-Transport V1.0 Complies with 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 Half-Mini Card design, suitable for any PCI Mini Card slot. This item is standard USB storage device. Design for Extension or Secondary HDD. Application is readyboost and backup or Storage functions. Basically,the adapter can't bootable to windows OS on memory card type. Support SD card type: - SD or SDHC or SDXC, TF Card Condition : Brand New Memory Card Supported : TF or SDHC or SDXC,TF MPN : MINI PCIE SD TF MEMORY Adapter Form Factor : Mini PCIE Type : Card Adapter colour:Silver and blue Material:PCB size:50x30x5mm Package Contents: 1xCard Adapter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.