WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48719
Brand: Western Digital | Category: Enterprise HDDs
SKU: 0B48719 | Part #: 0B48719 | MPN: WUH722020CLE6L1
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About the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48719
The WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48719 from Western Digital is enterprise-grade Enterprise HDDs hardware built for data centers. It features 20 TB capacity, 3.5" form factor, SATA 6Gb/s interface, 7,200 RPM speed. The WD Ultrastar HC555 is a 20 TB 3.5-inch SATA 6Gb/s enterprise hard disk drive engineered for demanding data center environments. Built on Western Digital's ePMR (energy-assisted perpendicular magnetic recording) technology combined with a helium-sealed enclosure, the HC555 achieves high areal density while maintaining consistent performance across sustained read and write workloads. The drive operates at 7200 RPM and is rated for up to 2.5 million hours MTBF, reflecting th Available in brand new condition. Western Digital enterprise hdds products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Western Digital |
| Category | Enterprise HDDs |
| SKU | 0B48719 |
| Part Number | 0B48719 |
| MPN | WUH722020CLE6L1 |
| Condition | New |
| Capacity | 20 TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | 0B48719 |
| Model | HC555 |
| Capacity | 20 TB |
| Form Factor | 3.5 inch |
| Interface | SATA 6Gb/s |
| Rotational Speed | 7200 RPM |
| Cache Buffer | 512 MB |
| Recording Technology | ePMR (Energy-Assisted Perpendicular Magnetic Recording) |
| Internal Environment | Helium-sealed |
| Workload Rate (Annualized) | 550 TB/yr |
| MTBF | 2,500,000 hours |
| Power – Active Read/Write (Typical) | 7.2 W |
| Power – Idle (Typical) | 5.0 W |
| Operating Temperature | 0°C to 60°C |
| Vibration Compensation | Rotational Vibration (RV) sensors with RAFF technology |
| Data Integrity | End-to-end data path protection |
| Encryption Options | Instant Secure Erase (ISE) / Self-Encrypting Drive (SED) variants available |
| Dimensions (L × W × H) | 147 mm × 101.6 mm × 26.1 mm |
| Weight | 650 g (approximate) |
Frequently Asked Questions about WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48719
What does the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD do?
At 20 TB, the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. The SATA 6Gb/s interface is supported by major server platforms.
What are the headline specs of the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD?
Key specifications for the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD: capacity 20 TB; form factor 3.5 Inch; interface SATA 6Gb/s; 5 Years support; new condition; model WUH722020CLE6L1; part number 0B48719; capacity 20 TB; interface SATA 6Gb/s; form factor 3.5 Inch; random write iops 550 TBW. Manufacturer part number 0B48719. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD compatible with my infrastructure?
The WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD uses a SATA 6Gb/s interface in a 3.5 Inch form factor. It's compatible with server platforms that expose this interface — typical deployments include Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro SuperServer chassis. For specific vendor part-number compatibility, our team validates against the manufacturer support matrix.