Description
The WD Ultrastar DC HC550 16TB Hard Drive delivers massive capacity, enterprise-grade reliability, and high-speed performance for data centers and enterprise storage systems. Designed for workloads up to 550TB/year, this drive features a 7200 RPM spindle speed, 512MB cache, and 512e sector format for optimized performance. Its 12Gb/s SAS interface ensures fast, consistent data transfer rates, making it ideal for cloud storage, large-scale data processing, and high-availability environments. RoHS-compliant and built for 24/7 operation, the HC550 provides long-term durability with energy-efficient design. This bulk 20-pack is perfect for scaling storage infrastructure with confidence.
| Specification | Details |
|---|---|
| Brand | WD |
| Product Line | Ultrastar |
| Series | DC HC550 |
| Model Number | 0F38357-20PK |
| Capacity | 16 TB |
| Form Factor | 3.5" |
| Drive Type | Internal |
| Interface | SAS |
| Interface Standard | 12Gb/s SAS |
| Disk Format | 512e |
| Spindle Speed | 7200 RPM |
| Cache | 512 MB |
| Workload Rating | Up to 550TB/year |
| Packaged Quantity | 20 |
| Country of Origin | Thailand |
| Environmental Compliance | RoHS |
| Weight (per drive) | 1.52 lbs |
| Environmentally Friendly | Yes |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
