WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD 0B48714
Brand: Western Digital | Category: Enterprise HDDs
SKU: 0B48714 | Part #: 0B48714 | MPN: WUH722020CL5201
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About the WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD 0B48714
The WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD 0B48714 from Western Digital is enterprise-grade Enterprise HDDs hardware built for data centers. It features 20 TB capacity, 3.5" form factor, SAS 12Gb/s interface, 7,200 RPM speed. The WD Ultrastar HC555 20 TB enterprise hard drive delivers high-capacity storage on a 3.5-inch form factor with a SAS 12Gb/s interface, combining Western Digital's nine-disk helium-sealed platform with OptiNAND technology to extend areal density and improve overall drive intelligence. Built on a HelioSeal design, the drive eliminates air turbulence across its internal disk stack, enabling a greater number of platters in a standard 3.5-inch enclosure while maintaining a 7200 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 | 0B48714 |
| Part Number | 0B48714 |
| MPN | WUH722020CL5201 |
| Condition | New |
| Capacity | 20 TB |
| Form Factor | 3.5" |
| Interface | SAS 12Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | 0B48714 |
| Product Family | WD Ultrastar HC555 |
| Formatted Capacity | 20 TB |
| Form Factor | 3.5 Inch |
| Interface | SAS 12Gb/s |
| Spindle Speed | 7200 RPM |
| Cache (Buffer) | 512 MB |
| Areal Density | Helium-sealed multi-disk platform (HelioSeal) |
| Number of Platters | 9 |
| Workload Rate (Annualized) | 550 TB/year |
| MTBF | 2,500,000 hours |
| Power Consumption (Operating, Random Read) | 9.1 W |
| Power Consumption (Idle) | 5.9 W |
| SAS Ports | Dual port |
| Sector Size | 512e / 4Kn |
| Data Integrity | T10 Data Integrity Field (T10 DIF) |
| Security Feature | Instant Secure Erase (ISE) |
| Technology | OptiNAND |
| Operating Temperature | 0°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
| Dimensions (H x W x D) | 26.1 mm x 101.6 mm x 147.0 mm |
| Weight | 650 g (typical) |
| Compliance | RoHS |
Frequently Asked Questions about WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD 0B48714
What does the WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD do?
At 20 TB, the WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/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 SAS 12Gb/s interface is supported by major server platforms.
What are the headline specs of the WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD?
Key specifications for the WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD: capacity 20 TB; form factor 3.5 Inch; interface SAS 12Gb/s; 5 Years support; new condition; model WUH722020CL5201; part number 0B48714; capacity 20 TB; interface SAS 12Gb/s; form factor 3.5 Inch; random write iops 550 TBW. Manufacturer part number 0B48714. 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 SAS 12Gb/s Enterprise HDD compatible with my infrastructure?
The WD Ultrastar HC555 20 TB 3.5 Inch SAS 12Gb/s Enterprise HDD uses a SAS 12Gb/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.