- Brand: Western Digitals 
- Brand Series: Ultrastar Data Center HC550 SATA HDD 
- Form Factor: 3.5 Inch 
- Capacity: 16TB, 18TB 
- Cache Size: 512MB 
- Interface: SATA 6Gb/s 
- Security: Secure Erase (SE), Trusted Computing Group (TCG) 
- Compatibility: Windows, Windows Server, Linux 
- Transfer Rate: 262MB/s, 269MB/s 
- Disk Speed (RPM): 7200 RPM 
- Recording Technology: EAMR 
- Product size (Length x Width x Height): 147mm x 101.6mm x 26.1mm 
- Operating Temperature: 5°C to 60°C 
- Non-Operating Temperature: -40°C to 70°C 
- Certifications: BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL 
- Features: CMR technology works with all capacity enterprise applications and environments 
- Features: Industry's first HDD with Energy Assisted-Magnetic Recording technology 
- Features: Industry's first Triple Stage Actuator 
- Features: HelioSeal design delivers outstanding power efficiency (Watts/TB) 
- Warranty 5 Years