WD Ultrastar DC HC555 20TB 7200 RPM SAS 6Gb/s 512MB 3.5"Enterprise HDD

The WD Ultrastar DC HC555 is a high-capacity enterprise-grade hard drive designed for demanding data center applications. With 20TB of storage and a robust 7200 RPM spindle speed, it delivers reliable and consistent performance for large-scale storage needs. The SAS 6Gb/s interface ensures fast data transfer rates, while the 512MB cache enhances responsiveness and workload handling. Built in a 3.5-inch form factor, this HDD is engineered for durability, offering advanced error correction and vibration tolerance, making it ideal for heavy-duty use in servers and storage arrays requiring high capacity, efficiency, and endurance.

WD Ultrastar DC HC555 (WUH722020CL5204) 

Capacity: 20 TB

Interface: SAS 12 Gb/s (not 6 Gb/s)

Spindle Speed: 7200 RPM

Cache: 512 MB

Form Factor: 3.5"

Format: 512e (512-byte emulation)

MTBF: 2.5 million hours.