WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48724
Brand: Western Digital | Category: Enterprise HDDs
SKU: 0B48724 | Part #: 0B48724 | MPN: WUH722020CLE6L4
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About the WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48724
The WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48724 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 enterprise hard disk drive engineered for demanding data center environments. Built on Western Digital's OptiNAND technology platform, the HC555 integrates iNAND flash with the hard disk drive architecture to enhance rotational vibration tolerance and overall drive intelligence. Operating at 7200 RPM with a SATA 6Gb/s interface, the drive delivers sustained transfer rates suited to high-throughput storage workloads while maintaining 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 | 0B48724 |
| Part Number | 0B48724 |
| MPN | WUH722020CLE6L4 |
| Condition | New |
| Capacity | 20 TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | 0B48724 |
| Model Family | WD Ultrastar HC555 |
| Capacity | 20 TB |
| Form Factor | 3.5 inch |
| Interface | SATA 6Gb/s |
| Rotational Speed | 7200 RPM |
| Cache Buffer | 512 MB |
| Areal Density Technology | HelioSeal hermetically sealed helium platform with OptiNAND |
| Sector Size | 512e / 4Kn (Advanced Format) |
| MTBF | 2,500,000 hours |
| Annual Workload Rating | 550 TB/year |
| Operating Temperature | 0°C to 60°C |
| Power — Active (Typical) | 7.7 W |
| Power — Idle | 5.0 W |
| Rotational Vibration Sensors | Yes |
| Encryption | TCG Encryption optional (model variant dependent) |
| Operating Shock | 70 Gs (2 ms, read); 40 Gs (2 ms, write) |
| Non-Operating Shock | 250 Gs |
| Weight | Approximately 650 g |
| Dimensions (L x W x H) | 147.0 mm x 101.6 mm x 26.1 mm |
| Regulatory Compliance | CE, FCC, RoHS, REACH |
| Intended Use | Enterprise / Data Center 24×7 operation |
Frequently Asked Questions about WD Ultrastar HC555 20 TB 3.5 Inch SATA 6Gb/s Enterprise HDD 0B48724
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 WUH722020CLE6L4; part number 0B48724; capacity 20 TB; interface SATA 6Gb/s; form factor 3.5 Inch; random write iops 550 TBW. Manufacturer part number 0B48724. 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.