WD Ultrastar DC HC550 18TB 3.5" Internal Hard Drive - SAS 12Gb/s, 7200 RPM, 512e, 512MB Cache (20-Pack)

Western DigitalSKU: 0F38353-20PK
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Description

The WD Ultrastar DC HC550 delivers exceptional storage capacity and enterprise-class reliability, making it ideal for data centers, cloud storage, and enterprise servers. With a massive 18TB capacity, 7200 RPM spindle speed, 512MB cache, and 12Gb/s SAS interface, this drive ensures high performance for demanding workloads. Built with 512e format and advanced engineering from Western Digital, it provides superior durability, consistent data throughput, and energy efficiency. This 20-pack offers a cost-effective bulk solution for large-scale storage deployments.

Specification Details
Brand WD
Product Line Ultrastar
Series DC HC550
Model 0F38353
Packaged Quantity 20
Capacity 18 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
Weight (Each) 1.52 lbs
Country of Origin Thailand
Environmental Compliance RoHS
Condition New and Factory Fresh

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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.


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