Seagate ST1000NM0011 Constellation ES 1TB 3.5" 7200RPM 64MB Cache SATA 6Gb/s Enterprise HDD Hard Disk Drive 9YZ164-881.
Storage Capacity: 1000 GB
Rotation Speed: 7200 RPM
Storage Interface: SATA 6.0 Gb/s
Cache: 64 MB
Form Factor: 3.5"
Features: Low Halogen Design; Drive Self Test (DST); Embedded Servo Design; PowerChoice Technology; Background Media Scan (BMS); Idle Read After Write (IRAW); Dedicated Head Load/Unload Zone; Perpendicular Recording Technology; Programmable Auto Write and Read Reallocation.