2.5" inch Internal hard drive.
ALL These models have been customized to support any SATA Laptop, Digital video and surveillance devices as well as PS3.

Application:
• Laptop PC/Mac - (DELL, Compaq, HP, IBM, Gateway, eMachine, Lenovo, Sony)
• 2.5" USB Portable External Enclosure
• 2.5" CCTV DVR
• 2.5" HD Media Player

Features:
• Capacity: choose from 160GB 250GB 320GB 500GB 640GB 750GB 1TB
• Form Factor: 2.5" SATA 3.0gb/s 6.0Gb/s
• Rotation Speed: 5400RPM
• Interface: SATA 3.0gb/s / 6.0Gb/s