Seagate Constellation ES.3 ST4000NM0023 4TB 3.5" 7200RPM 128MB Cache SAS 6.0Gb/s Internal HDD Hard Disk Drive 9ZM270-001.
Storage Capacity: 4TB
Rotation Speed: 7200RPM
Storage Interface: SAS 6.0Gb/s
Firmware: A001
Cache: 128MB
Form Factor: 3.5"
Type: Internal Hard Disk Drive