Features: brand new and high quality for Comply with the standard: SD specification Ver2.0, IDE/ATA-33 specification; Standard IDE interface interface: true-IDE mode, and supports DMA-33 transfer mode; The IDE interface is a 44-pin/2.0mm male connector; There are two main control chips on this board, and there is an SD card slot on the back; Advantages: small footprint, compact design, simple operation; The SD card can become the one containing the OS and application software, which can directly boot the device; Support DMA and ULTRA DMA mode for DOS, NT4, WINDOWS98SE, ME, 2000, XP, VISTA, Linux system. Package Includes: 1PC x SD to 2.5 IDE 44 pin Adapter Card Specifications: Item Type: Converter Adapter Material: Plastic+Metal Color: As shown Quantity: 1PC note: First install the SD card into the slot, then connect the hard disk data cable to the interface of the notebook hard disk, power on and test normally, it can be operated and used, it is as simple as that, no need to make any driver. Note that for soft routing, the size of the SD card should be less than 1G. If you install WIN98, WIN ME, WINXP, or the system, the SD card should have a capacity of more than 2GB. If high speed is required, please choose a flash memory card with a high multiple...otherwise, it is generally fine.