Adapt SD/MMC flash memory card to a super compact, cost efficient, anti-shock, low power consumption, no acoustic noise and fast access time HDD Enables SD/MMC card as a normal IDE 2.5" hard disk Provides an alternative for data storage and transfer or test for motherboard, sound/audio/memory card, etc. Ideal for some devices that required a fast and easy bootable device such as POS. Be a SD/MMC card reader/writer.Compatible with SD, SDHC, SDXC & MMC specification.One 2.5" IDE hard disk driver 44pin male connector and one standard SD socket. Supports PIO, Multi-Word DMA and Ultra DMA data transfer mode.Supports boot function.No external power required and powered from IDE interface.Easy installation and no driver required.Mini board design and no space wasted.Dimensions: 36mm x 52mm.Attention: This adapter does not support hot-swap of CF cards, so please turn off power when changing cards.