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WD Ultrastar DC HC550 18TB Hard Drive 3.5″ Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)

The WD Ultrastar DC HC550 18TB is a high-capacity enterprise hard drive engineered for demanding data center environments. This 3.5-inch internal drive delivers exceptional storage density with 18TB capacity while maintaining reliable 7200 RPM performance. Key features include a substantial 512MB cache for enhanced data throughput, SATA 6Gb/s interface for broad compatibility, and 512E advanced format technology for improved efficiency. Built with HelioSeal technology, it operates cooler and more efficiently than traditional air-filled drives, reducing power consumption by up to 56%. The drive offers 2.5 million hours MTBF reliability rating and is designed for 24/7 operation with up to 550TB annual workload rating. Its vibration tolerance and error recovery controls make it ideal for multi-drive environments, while the 5-year warranty provides enterprise-grade assurance. Perfect for cloud storage, big data analytics, and high-density storage arrays requiring maximum capacity with proven reliability.

Quote5 pcs(MOQ)

Bulk Order Discounts Available

InterfaceSATA 6.0Gb/s
Capacity18TB
Form Factor3.5"
ApplicationServer
BrandWestern Digital
Interface

SATA 6.0Gb/s

Capacity

18TB

Form Factor

3.5"

Application

Server

Brand

Western Digital

Width (maximum)

101.60mm

Usage

For Enterprise Storage

Recording Technology

CMR

Length (maximum)

147.00mm

Cache

512MB

Average Latency

4.16ms

Height (maximum)

26.10mm

Products Status

New

RPM

7200 RPM

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