Maxtor L01S300 300 GB 7200RPM SATA Internal Hard Drive Ultimate performance with SATA/150 interface, 1.5 Gbps interface speed Ultra ATA data transfer speeds up to 133 Mbps Ultra fast 16 MB cache Automatic setup with MaxBlast software Compatible with Windows 98SE, Me, 2000 or XP; Mac OS 8.6 or higher, OSX 10.1 or higher