Description
The WD Ultrastar DC HC550 is a high-capacity enterprise-class hard drive designed to meet the rigorous demands of modern data centers. Featuring an impressive 18TB storage capacity and a fast 7200RPM spindle speed, this drive ensures reliable performance for high-density storage applications. With 512MB cache and 12Gb/s SAS interface, it delivers exceptional throughput and low latency, making it ideal for cloud storage, big data analytics, and enterprise backup solutions. The 512e format provides compatibility with a wide range of systems, while enterprise-grade build quality ensures durability, reliability, and reduced downtime. This 20-pack is perfect for scaling large storage infrastructures.
| Specification | Details |
|---|---|
| Brand | WD (Western Digital) |
| Series | Ultrastar DC HC550 |
| Model Number | 0F38352-20PK |
| Form Factor | 3.5" Internal |
| Storage Capacity | 18 TB |
| Disk Format | 512e |
| Spindle Speed | 7200 RPM |
| Cache / Buffer | 512 MB |
| Interface | SAS |
| Interface Standard | 12Gb/s SAS |
| Packaged Quantity | 20 |
| Weight (per drive) | 1.52 lbs |
| Country of Origin | Thailand |
| Environmental Compliance | RoHS |
| Condition | New and Factory Fresh |
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
