WD Ultrastar DC HC555 Hard Drive
Best high-capacity storage for demanding 24/7 data center operations.
This is a workhorse built for the kind of relentless, 24/7 data demands that would cripple a standard consumer drive. You sacrifice the quiet operation of a desktop model for industrial-grade endurance and massive capacity, making it the ultimate choice for anyone prioritizing raw stability over silence.
$793.99
Who it's for
- System administrators managing heavy, data-intensive enterprise workloads
- Data managers needing massive capacity for large-scale archiving
- IT professionals requiring reliable, 24/7 enterprise-grade durability
Who should skip it
- Casual computer users who only need standard desktop storage
- Budget-conscious buyers seeking affordable storage solutions
- Home office users working in quiet, noise-sensitive environments
Performance breakdown
Storage Density
Massive 20TB capacity maximizes rack space for high-density data center environments.
Operational Reliability
Enterprise-grade MTBF ensures consistent, uninterrupted performance for critical 24/7 workloads.
Data Throughput
SAS 12Gb/s interface delivers robust speeds for demanding, high-intensity data transfers.
Vibration Resistance
Advanced sensors maintain stability even in dense, multi-drive server configurations.
Power Efficiency
Optimized power consumption keeps operational costs low during continuous, heavy usage.
Build Durability
HelioSeal technology provides superior protection and longevity for long-term data integrity.
Key Specs
Brand
WD
Product Line
WD Ultrastar DC HC555
Manufacturer
Hitachi Hard Drives
Average Latency
4.16 millisecond
Buffer Size
512 megabyte
Data Transfer Rate (Hard Drive)
1.2 GBps
Form Factor
3.5"
Hard Drive Capacity
20 TB
Hard Drive Features
24x7 continuous operation, Advanced format 4Kn, Advanced format 512e, Conventional magnetic recording (CMR), Dynamic fly height technology, Energy-assisted PMR (ePMR), HelioSeal, Rotational Vibration (RV) sensor, Triple State Actuator (TSA)
Hard Drive Type
Internal hard drive
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