Sabrent DSH-2HPL. Compatible memory cards: CF, Memory Stick (MS), SD, SDHC. Supported hard disk drive interfaces: Serial ATA, Supported hard disk drive sizes: 63.5/88.9 mm (2.5/3.5 "). Interface: USB, Compatible operating systems: Windows: 2000/XP/Vista/7 (32/64 bit) MAC: OS X