WD Gold 18TB Enterprise Class SATA HDD
Brand: Western Digital | Category: Enterprise HDDs
SKU: 0F38432 | Part #: 0F38432 | MPN: 0F38432
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About the WD Gold 18TB Enterprise Class SATA HDD
At idle, the WD Gold 18TB Enterprise Class SATA HDD consumes just 5.3 W, and under active read/write operations it draws 7.3 W—a critical efficiency metric for storage architects designing high-density JBOD environments where power density directly impacts operational costs. Built by Western Digital, the WD181KRYZ (part number WD181KRYZ) delivers 18 TB of formatted capacity using CMR recording technology and a 7200 RPM spindle, engineered for demanding 24/7 datacenter workloads rated up to 550 TB per year.
This 3.5-inch drive features a 512 MB cache buffer, SATA 6Gb/s interface with backward compatibility to SATA 3Gb/s, and dual-stage actuator technology paired with rotational vibration compensation via RV sensors to ensure reliable performance in multi-drive arrays. An MTBF of 2,500,000 hours, 600,000 load/unload cycles, and a non-recoverable read error rate of 1 per 10^15 bits read provide enterprise-grade reliability. Operating across 0°C to 60°C, the drive weighs 730 g and measures 26.1 mm in height, fitting standard rack configurations. For IT procurement teams and storage infrastructure planners, Western Digital Gold drives balance capacity, durability, and power efficiency in large-scale deployment scenarios.
Typical Enterprise Deployment Scenarios
- Multi-bay NAS and JBOD storage arrays requiring mixed sequential and random workload handling
- Backup and archival repositories processing sustained high-throughput data ingestion at rated 550 TB/year
- Virtualization host storage pools where vibration isolation and dual-stage actuators reduce mechanical noise interference
- Mission-critical databases and transactional systems leveraging 2.5 million-hour MTBF for uptime assurance
- Power-constrained datacenter environments where per-drive idle and active wattage optimization reduces total facility load
For specification sheets, competitive pricing, or integration questions regarding the WD181KRYZ, contact the Omnixon Global team to submit your RFQ.
```Technical Specifications
| Brand | Western Digital |
| Category | Enterprise HDDs |
| SKU | 0F38432 |
| Part Number | 0F38432 |
| Condition | New |
| Capacity | 18TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | 0F38432 |
| Model Series | WD Gold |
| Formatted Capacity | 18 TB |
| Interface | SATA 6Gb/s (backward compatible with SATA 3Gb/s) |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Spindle Speed | 7200 RPM |
| Cache (Buffer) | 512 MB |
| Workload Rate (Annualized) | 550 TB/year |
| MTBF | 2,500,000 hours |
| Load/Unload Cycles | 600,000 |
| Non-Recoverable Read Errors | 1 per 10^15 bits read |
| Rotational Vibration Compensation | Yes (RV sensors) |
| Dual-Stage Actuator | Yes |
| Operating Temperature | 0°C to 60°C |
| Power Consumption (Active, Read/Write) | 7.3 W |
| Power Consumption (Idle) | 5.3 W |
| Form Factor | 3.5-inch |
| Height | 26.1 mm |
| Weight | 730 g |
| RoHS Compliant | Yes |
Frequently Asked Questions about WD Gold 18TB Enterprise Class SATA HDD
What does the WD Gold 18TB Enterprise Class SATA HDD do?
At 18TB, the WD Gold 18TB Enterprise Class SATA 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 Gold 18TB Enterprise Class SATA HDD?
Key specifications for the WD Gold 18TB Enterprise Class SATA HDD: capacity 18TB; form factor 3.5"; interface SATA 6Gb/s; new condition; product name WD Gold 18TB Enterprise Class SATA HDD; brand Western Digital; category Hard Drive; capacity 18TB; form factor 3.5"; interface SATA 6Gb/s. Manufacturer part number 0F38432. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the WD Gold 18TB Enterprise Class SATA HDD compatible with my infrastructure?
The WD Gold 18TB Enterprise Class SATA 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.