Fast speed: USB 3.0 highest speed up to 5Gbp/sBackward compatible with USB 3.0 / 2.0 / 1.0, supports all 2.5 inch SATA hard drives and SSDs Supports hot swapping, no external power connection required LED indicates power and activity status. Operating System Compatibility: Support Windows XP/Vista/7/8/10 and Mac OS. 9.X / 10.X / Linux Features: Supports standard 2.5" SATA and SATA II hard drives. Transfer rate: up to 5 Gbps when connected to a USB 3.0 port. Transfer rate: up to 480 Mbps when connected to a USB 2.0 port. Hot-swappable, plug and play, no driver required. Backward compatible with USB 2.0 or 1.1. System Requirements: Available USB 3.0 port on computer for full 5 Gbps transfer speeds. Free USB 2.0 port on computer for full 480 Mbps transfer speeds. Windows: XP / Vista / 7/8 / 8.1 / 10 (both 32-bit and 64-bit versions) MAC: OS X. Scope of delivery GeekerChip USB 3.0 SSD / 2.5 "" SATA adapter cable.