With newer hard drive supporting larger than 2TB requiring GPT partition, Windows XP users were left behind since XP does not support GPT. However, our XP Compliant models adds support for the MBR partition thus allowing XP users to break the 2TB barrier while maintaining compatibility with all other OS. Feature MBR emulation in firmware allowing XP to access larger than 2TB. It also include built-in 2-port USB hub so that you can connect 2 USB devices through the drive freeing up your USB ports. Transfer rate: USB 2.0: Up to 480 Mbits/s USB 3.0: Up to 5 Gbits/s. Drive: Pre-formatted NTFS MBR SATA Drive. System Requirement: USB 3.0 SuperSpeed port Compatible to USB 2.0 port but will run at USB 2.0 transfer speed, Mac OS X 10.4 or later, Microsoft Windows XP / Vista / 7 / 8 / 10, Windows Server 2016, 2012, 2008, 2003, and Linux. Does not work with 2000 Server. MBR formatted to support Windows XP and all other OS. Package Content: Buslink XP Compliant External Hard Drive with HUB, USB 3.0 A to B cable, Power adapter, User manual.