Dual - SD to Mini PCIe adapter is low - cost SSD and for - boost solution for laptop computers. Your - SD card can into the half the size of the Mini card slot of newer laptops with MR15The item design of 2 - SD slots, integrates a high performance AU6472 flash card controller as well as a splendidly efficient hardware DMA engine and an internal 1.8 V regulators. While it is fully compliant with The USB Device Class 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 faster - than accessing it from your drive.Designed for use with laptop / netbook computers.Designed 2 slots for two MicroSD cardsType: CardsType: Cable AdapterInterface Type: MINI PCIECompatible with Windows 7 / Vista / XP and OS Fully compatible with USB 2.0 High Speed and backward compatible with USB 1.1 specifications. Windows generic Storage Class driver supported. Supports Windows /2000/XP/Vista/7 and OS. Complies with USB Device Class Definition for Storage and Bulk-Transport V1.0Complies 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 Half-Mini Card design, suitable for any PCI Mini Card slot.This item is standard USB storage device. Design for Extension/Secondary HDD.Application is readyboost and backup/Storage functions. Basically,the adapter can't bootable to windows OS on memory card type.Support SD card type:- SD/SDHC/SDXC, TF CardCondition : NewMemory Card Supported : TF/ SDHC/ SDXC,TFMPN : MINI PCIE SD TF MEMORYAdapter Form Factor : Mini PCIEType : Card Adaptercolour:Silver + blueMaterial:PCBsize:50*30*5mmPackage Contents:1*Card Adapter