- Energy-Assisted Magnetic Recording (EAMR) technology improves writability
- Triple Stage Actuator (TSA) enhances head-positioning accuracy
- HelioSeal technology is the foundation for Western Digital’s high capacity hard drives
- 512MB cache buffer improves response time and data management
WD Ultrastar DC HC550 18 TB Hard Drive - 3.5 Internal - SATA - 7200rpm"Storage
Capacity: 18
TBDisk Format: 512eSpindle
Speed (rpm):
7200Buffer: 512
MBWireless LAN: NoDrive
Interface: SATA
Drive Type: InternalForm
Factor: 3.5"