Toshiba 500 GB 2.5" Internal Hybrid Hard Drive - SATA - 8 GB SSD Cache Capacity Hybrid drives combine the performance of SSD with large HDD capacities and affordability 500GB Toshiba SSHD Solid State Hybrid Drive Suitable for PC's, laptops, gaming systems 2.5-inch SATA III drive With 8GB NAND SSD Flash - rotation speed of 5400rpm, 64MB cache