Features: brand new and high quality Support SD card when the SATA hard disk starts; (The SD card needs to support the hard disk mode. If the SD card does not support it, it will not start). Turn your SD card into a standard SATA electronic hard disk, and you can install Linux, Win98, WinXP (generally not recommended to install WINXP system on SD card), DOS and other operating systems to experience the high-speed pleasure of electronic hard disk in the electronic hard disk. Used in embedded industrial PCs to store embedded LINUX, WINCE and other operating systems, applications, and data. Motherboard and board card manufacturers use this electronic hard disk to replace hard disks for testing to improve efficiency and save costs. Easy installation and no driver required. Enables IT engineers and embedded technology enthusiasts to use SD/for MMC card as a normal SATA hard disk. Provides an alternative for data storage and transfer or test for mainboard, sound card, display card and memory card, etc. Specifications: Material:PCB Size:Approx.5x4cm/1.97x1.57in Net Weight:10g Package Includes: 1x SD to SATA Adapter note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.