SMAKN&reg; 2-Port Dual SD SDHC MMC Card to SATA RAID adapter, no SD card size limit Supports any capacity SD card. 2 SD RAID0 mode makes a bigger capacity. Makes SD/MMC flash memory card be a super compact, cost efficient, anti-shock, low power consumption, no acoustic noise and fast access time HDD/SSD. Enables IT engineers and embedded technology enthusiasts to use SD/MMC card as a normal SATA HDD/SSD. Dimensions: 66mm x 85mm.