Toshiba MQ01ABD100H Hybrid hard drive - 1 TB ( 8 GB Flash ) - internal - 2.5 inch - SATA-600 - 5400 rpm - buffer: 32 MB 1TB Toshiba SSHD Solid State Hybrid Drive 2.5-inch SATA III drive With 8GB NAND SSD Flash Combines performance of SSD with large HDD capacities 5400rpm, 32MB cache