WD Ultrastar DC HC550 18TB Enterprise HDD 0F38459
Brand: Western Digital | Category: Enterprise HDDs
SKU: 0F38459 | Part #: 0F38459 | MPN: WUH721818AL
Contact for Pricing — Request a Quote
About the WD Ultrastar DC HC550 18TB Enterprise HDD 0F38459
The WD Ultrastar DC HC550 18TB Enterprise HDD 0F38459 from Western Digital is enterprise-grade Enterprise HDDs hardware built for data centers. It features 18TB capacity, 3.5" form factor, SATA 6Gb/s interface, 7,200 RPM speed. The WD Ultrastar DC HC550 18TB (0F38459) is a helium-sealed, CMR-based enterprise hard disk drive engineered for high-density storage deployments in hyperscale data centers, cloud infrastructure, and large-scale enterprise server environments. Built on Western Digital's ninth-generation HelioSeal platform, the drive encloses seven platters in a hermetically sealed helium atmosphere, reducing internal air resistance and enabling higher areal density while lowering operating te 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 | 0F38459 |
| Part Number | 0F38459 |
| MPN | WUH721818AL |
| Condition | New |
| Capacity | 18TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | 0F38459 |
| Model Family | WD Ultrastar DC HC550 |
| Formatted Capacity | 18 TB |
| Interface | SATA 6 Gb/s |
| Spindle Speed | 7200 RPM |
| Cache (Data Buffer) | 512 MB |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Hermetic Seal Technology | HelioSeal (Helium-filled) |
| Number of Platters | 7 |
| Form Factor | 3.5-inch |
| Height | 26.1 mm |
| Rated Workload | 550 TB/year |
| Annualized Failure Rate (AFR) | 0.35% |
| Non-Recoverable Read Error Rate | 1 per 10^15 bits read |
| Mean Time Between Failures (MTBF) | 2,500,000 hours |
| Power Consumption (Active, Average) | 7.0 W |
| Power Consumption (Idle, Average) | 5.0 W |
| Operating Temperature | 0°C to 60°C |
| Rotational Vibration Compensation | Yes (dual-plane RV sensors) |
| Sector Size | 512e / 4Kn (configurable) |
| Encryption | Available in self-encrypting drive (SED) variant; base model 0F38459 is non-SED |
Frequently Asked Questions about WD Ultrastar DC HC550 18TB Enterprise HDD 0F38459
What does the WD Ultrastar DC HC550 18TB Enterprise HDD do?
At 18TB, the WD Ultrastar DC HC550 18TB 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 DC HC550 18TB Enterprise HDD?
Key specifications for the WD Ultrastar DC HC550 18TB Enterprise HDD: capacity 18TB; form factor 3.5"; interface SATA 6Gb/s; new condition; model WD Ultrastar DC HC550 18TB; brand Western Digital; category Hard Drive; capacity 18TB; form factor 3.5 inches; interface SATA 6Gb/s. Manufacturer part number 0F38459. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the WD Ultrastar DC HC550 18TB Enterprise HDD compatible with my infrastructure?
The WD Ultrastar DC HC550 18TB Enterprise HDD uses a SATA 6Gb/s interface in a 3.5" 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.