Secure Digital Card SD To 3.5" 40Pin Male IDE Hard Disk Drive Adapter Converts Secure Digital Card into IDE compatible hard drives. Bootable solution for PC. Compatible with MMC system specification 2.0 , SD Memory Card specification 1.0, SDHC Memory Card. Compatible with DOS, Linux, Windows 98SE, Me, 2000, XP and Vista. Support PIO, Multi-Word DMA and Ultra DMA data transfer mode.