Western Digital Ultrastar DC HC550 16TB 7200RPM SAS 12Gb/s 3.5" HDD ' WUH721816AL5204 ' 0F38357 ' Refurbished Grade A ' 1-Year Warranty

The WD Ultrastar DC HC550 (WUH721816AL5204 / 0F38357) is a 16TB enterprise SAS hard drive , purpose-built for high-capacity, high-availability data environments such as cloud, hyperscale, and scale-out storage. Featuring CMR technology , HelioSeal architecture , and a Triple Stage Actuator , this drive delivers optimal density and consistent throughput while reducing power consumption.

Equipped with a SAS 12Gb/s interface , 7200 RPM spindle , and enterprise-class 2.5 million hour MTBF rating , the HC550 is ideal for storing mission-critical workloads at scale.

This unit is refurbished in excellent condition (Grade A) and is backed by a 1-year seller warranty , making it a trusted choice for IT professionals and data center engineers.

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Key Features:

• 16TB Storage Capacity ' Massive data retention with minimal physical footprint

• 7200 RPM Spindle Speed ' Smooth, sustained read/write performance

• SAS 12Gb/s Interface (SAS-3) ' Enterprise-grade bandwidth and reliability

• HelioSeal Technology ' Advanced energy efficiency and long-term durability

• Triple Stage Actuator ' Precision performance for high-density configurations

• CMR Recording ' Conventional Magnetic Recording for workload compatibility

• Condition: Refurbished (Excellent Grade A)

• Warranty: 1-Year Seller Warranty

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Technical Specifications:

• Model: WUH721816AL5204

• Part Number: 0F38357

• Series: Ultrastar DC HC550

• Interface: SAS 12Gb/s

• Capacity: 16TB

• Spindle Speed: 7200 RPM

• Form Factor: 3.5-Inch

• Cache: 512MB

• MTBF: 2.5 Million Hours

• Encryption: Self-Encrypting Drive (SED) Options Available

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Compatible With:

• Dell, HPE, Supermicro, Lenovo servers & enclosures

• Enterprise-grade NAS and SAN arrays

• JBODs, ZFS, Ceph clusters, and more

• SAS 12Gb/s backplanes or controllers

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Ideal For:

• Hyperscale Storage Infrastructure

• Cloud Backup & Archival Platforms

• Big Data & Analytics (Hadoop, Spark)

• Object Storage (Ceph, OpenStack Swift)

• Cold Storage & Tiered Systems

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Why Buy From Us?

Professionally Packed & Shipped Fast
1-Year Seller Warranty
Refurbished Grade A ' Enterprise Verified
Trusted by Data Centers, VARs & IT Pros

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WD 0F38357 16TB Ultrastar SAS HDD ' WUH721816AL5204 HC550 ' Enterprise 3.5" 7.2K SAS Drive ' Refurbished 16TB HC550 HDD ' WD Ultrastar for Data Centers ' Ceph & Hadoop Ready ' SAS 12Gb/s 16TB HDD ' High-Density CMR SAS Drive for Servers & Storage Arrays