0B47745 Western Digital Ultrastar DC HC555 16TB Internal Hard Drive
0B47745 Overview
The Western Digital Ultrastar DC HC555 16TB is an enterprise‑class 3.5‑inch SAS 12Gbps hard drive designed for high‑capacity, always‑on data center environments that demand strong performance, reliability, and efficiency. Featuring a 16TB capacity, 7200RPM spindle speed, and a large 512MB cache, this helium‑sealed CMR drive delivers sustained transfer rates around 260–270 MB/s, making it well‑suited for large‑scale storage, backup, object storage, and high‑density RAID deployments.
$473
0B47745 Technical Specifications
Western Digital Ultrastar DC HC555 16TB 7200RPM SAS 12Gbps 512MB Cache 512e 3.5-inch Internal Hard Drive
Manufacturer: Western Digital
Manufacture Part Number: 0B47745
Storage Capacity: 16TB
Form Factor: 3.5‑inch
Interface: SAS 12Gbps
Sector Format: 512e (512‑byte emulation)
Rotational Speed: 7200 RPM
Cache Memory: 512MB
Recording Technology: CMR
Sustained Transfer Rate: ~260–270 MB/s
Average Latency: ~4.16 ms
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