WD 0F38458 DC HC550 Ultrastar 18TB 512MB 7200RPM SATA 512E TC Hard Drive
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
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Key Features
- Maximizes storage density to lower total cost of ownership for data centers and enterprise arrays
- Sustained performance with 18TB capacity and 512MB cache for heavy read/write and surveillance workloads
- Enterprise-class reliability and 5-year limited warranty for mission-critical security and monitoring systems
- SATA 6Gb/s interface and 7200 RPM performance for fast throughput in NAS, backup and cloud environments
- Optimized for large-scale surveillance, archival and analytics deployments where consistent uptime matters
Quick Specifications
- Product Model
- WUH721818ALE6L1
- Brand Name
- Western Digital
- Product Line
- Ultrastar
- Product Name
- Ultrastar DC HC550 WUH721818ALE6L1 Hard Drive
Explore the details
Product information
0F38458
Overview
Built for high-density enterprise environments, the Western Digital Ultrastar DC HC550 hard drive delivers 18TB of reliable, cost-efficient storage to reduce total cost of ownership while supporting demanding workloads. This Ultrastar DC HC550 hard drive pairs massive 18TB capacity with a 512MB buffer and 7200 RPM performance over a SATA/600 interface, giving large-scale storage arrays, surveillance NVRs and cloud backup systems the sustained throughput they need.
Engineered for data centers and security applications, the DC HC550 uses a 512e sector format and enterprise-grade components to offer consistent performance for continuous recording, monitoring, and analytics. The drive helps lower rack space and power needs per TB, simplifying scaling for video surveillance, archival retention and high-capacity backup. Backed by a 5-year limited warranty, it provides the reliability enterprises expect for mission-critical infrastructure.
Ideal for storage arrays, NAS, security and monitoring deployments—deploy the Western Digital Ultrastar DC HC550 to consolidate capacity and protect your data. Contact sales or order now to integrate this high-capacity HDD into your environment.
Features
- Maximizes storage density to lower total cost of ownership for data centers and enterprise arrays
- Sustained performance with 18TB capacity and 512MB cache for heavy read/write and surveillance workloads
- Enterprise-class reliability and 5-year limited warranty for mission-critical security and monitoring systems
- SATA 6Gb/s interface and 7200 RPM performance for fast throughput in NAS, backup and cloud environments
- Optimized for large-scale surveillance, archival and analytics deployments where consistent uptime matters
| General Information | |
|---|---|
| Brand Name | Western Digital |
| Manufacturer | Western Digital Corporation |
| Product Line | Ultrastar |
| Product Name | Ultrastar DC HC550 WUH721818ALE6L1 Hard Drive |
| Product Type | Hard Drive |
| Product Model | WUH721818ALE6L1 |
| Product Series | DC HC550 |
| Manufacturer Part Number | 0F38458 |
| Technical Information | |
| Disk Format | 512e |
| Storage Capacity | 18TB |
| Drive Performance | |
| Buffer | 512MB |
| Interfaces/Ports | |
| Drive Interface | SATA |
| Drive Interface Standard | SATA/600 |
| Physical Characteristics | |
| Weight | 1.52lb |
| Product Information | |
| Drive Type | Internal |
| Warranty | |
| Limited Warranty | 5-Year |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 0F38458
- Manufacturer part:
- 0F38458
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsWD 0F38458 DC HC550 Ultrastar 18TB 512MB 7200RPM SATA 512E TC Hard Drive
0F38458