This is 2.0SATA TO SD high speed adapter card. It can also be used as a mobile hard drive, up to 128GB! Provides an alternative for data storage and transfer or test for motherboard, sound/audio/memory card, etc. Compatible with SATA revision 2.6 Standard; Comply with SDHC 2.0 as well as the Compact-Flash standard 1; Compliant with Intel Common Building Block HDD Platform; Built-in RAID 0 function, support 1 channel, maximum capacity 128GB, improve SATA execution speed. The physical dimensions of the available SD cards are as follows: Length: 32mm +/- 0.1 mm Width: 24 mm +/- 0.1 mm Operating temperature range-commercial (0Celsius to +70Celsius) The main use:Desktop, Notebook, MID, Tablet PC, Internet Appliances, Kiosks, Industrial Computers, Embedded system, Routers, Firewalls ect. The supported SD Card is as follows: Single port of SD card capacity MAX. to 32GB Dual port of SD card capacity MAX. to 64GB Full 4 port of SD card capacity MAX. to 128GB Colour:red Material:PCB+metal Package Contents: 2 x SD Card to SATA Adapter