Capacity: 1TB (1000GB). Speed: 5400 RPM. Cache: 128MB for faster small file operations. Interface: SATA 6 Gb/s (SATA III). Form Factor: 2.5-inch, 7mm height. Data Transfer: Up to 150 MB/s. Acoustics: Quiet operation (19-21 dBA). Key features: NoTouch Ramp Load Technology for durability, Advanced Power Management for better battery life. Note: Uses SMR technology. This is a genuine, fresh, and stable part from a notebook. Selling because I upgraded to an SSD. Feel free to contact via phone or message.