WD Ultrastar 20TB DC HC555 Enterprise Hard Drive SATA 512MB Cache RPM 7200 WUH722020CLE6L4
Overview :
WD Ultrastar 20TB DC HC555 is engineered for today’s most demanding data center environments, offering a powerful combination of high capacity, energy efficiency, and proven reliability. Designed to handle 24×7 multi-user workloads, this drive is ideal for cloud storage, hyperscale deployments, and enterprise data centers requiring maximum density and uptime.
Built on a trusted platform and leveraging energy-assisted perpendicular magnetic recording (ePMR), the HC555 enables data centers to scale capacity while reducing total cost of ownership (TCO). It features Triple-Stage Actuator (TSA) technology to increase track density and improve performance, along with HelioSeal® technology, which reduces turbulence and power consumption by operating in a helium-sealed environment.
Reliability is paramount, with rotation vibration (RV) sensors, multi-axis shock sensors, and dynamic fly height technology working together to protect data from mechanical disturbances. With seamless integration and rapid qualification supported by its familiar architecture, the HC555 is a drop-in solution for existing infrastructure.
Whether expanding capacity or optimizing operational costs, the WD Ultrastar 20TB DC HC555 20TB delivers unmatched efficiency, performance, and dependability for mission-critical storage applications.
Specifications
| Category | Specification |
| Capacity | 20TB |
| Form Factor | 3.5-Inch |
| Interface | SATA |
| Transfer Rate | Up to 269MB/s |
| Disk Speed (RPM) | 7200 RPM |
| Recording Technology | EAMR (Perpendicular Magnetic Recording) |
| Cache Size | 512MB |
| Security | SE (Self-Encrypting) |
| MTBF | Projected 2.5 million hours |
| Power Efficiency | Outstanding (Watts/TB) |
| Warranty | 5-Year Limited Warranty |
| Dimensions (L x W x H) | 147mm x 101.6mm x 26.1mm |
| Weight | 0.69 kg(+-) |
| Operating Temp | 5°C to 60°C |
| Non-Operating Temp | -40°C to 70°C |
| Certifications | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| Product Features | – PMR supports all enterprise applications and environments – Outstanding power efficiency – Projected 2.5M hours MTBF |
