Seagate - Internal - 1 TB - SATA - 5400 rpm Boots and performs like an SSD SATA 6 Gbps with NCQ for interface speed Faster than a traditional HDD All-in-one design for simplicity and ease of installation Installs and works just like a traditional hard drive in any laptop or PC, and with any OS and application Now available in a thinner, 7 mm z-height model for ultra-thin, ultra-light laptops