WD Ultrastar DC HC550 Hard Drive
Best high-capacity storage for enterprise-grade data center operations.
This is a workhorse built to live in a server rack, not a desktop tower. It prioritizes massive capacity and relentless 24/7 reliability over the quiet, consumer-friendly operation of standard drives. If you need to archive mountains of data without a second thought, this is the industrial-grade backbone your system requires.
$715.99
Who it's for
- Data hoarders needing massive capacity for archiving large media libraries
- IT professionals requiring dependable 24/7 uptime for critical server operations
- Content creators moving large files who prioritize consistent sequential speeds
Who should skip it
- Budget-conscious buyers seeking the lowest price per gigabyte
- Home office users who require a silent computing environment
- Gamers and power users needing fast boot times and responsiveness
Performance breakdown
Storage Density
Massive 18TB capacity maximizes rack space efficiency for dense server environments.
Reliability Rating
MTBF of 2.5 million hours ensures exceptional longevity for continuous operation.
Data Throughput
SAS 12Gb/s interface delivers robust, high-speed data transfer for demanding workloads.
Operational Efficiency
HelioSeal technology significantly lowers power consumption and heat output per terabyte.
Security Features
Advanced cryptographic erase options provide essential protection for sensitive enterprise data.
Vibration Resistance
Integrated RVS technology maintains consistent performance in high-density multi-drive arrays.
Key Specs
Brand
WD
Product Line
WD Ultrastar DC HC550
Model
WUH721818AL5204
Hard Drive Capacity
18 TB
Buffer Size
512 MB
Spindle Speed (rpm)
7200 revolutions per minute
Interface Provided
1 x SAS 12 Gb/s
Hard Drive Type
Internal hard drive
Form Factor
3.5"
24x7 Operation
Yes
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