HGST Deskstar 7200rpm 128MB Cache SATA III 3.5" Internal NAS Drive Kit Go to amazon.com Related posts Top 16 8tb drive 7200 Feature7200 RPM performance, delivers media transfer rates up to 20% faster than 5400 RPM drivesSeek times less than 12msUp to 8TB capacity1 million hours MTBFRotational Vibration Sensor DescriptionSATA - 7200rpm - 128 MB Buffer - 1 Pack