HGST Ultrastar DC HC555
Best high capacity storage for professional media archives and server builds.
This is a workhorse built for the relentless demands of massive data centers and AI workloads. It sacrifices the quiet, consumer-friendly profile of a desktop drive for pure, industrial-grade endurance and density. If you need to store petabytes reliably without constant maintenance, this is the uncompromising backbone your infrastructure requires.
$950.00
at
Server Supply
Who it's for
- Data center managers needing to maximize rack space efficiency
- Enterprise architects building high-availability storage arrays
- Environmentally conscious operators looking to reduce cooling costs
Who should skip it
- Home office users seeking a silent desktop environment
- Budget-focused hobbyists building simple personal media servers
- Casual users installing drives in flimsy or unpadded PC cases
Performance breakdown
Storage Density
Massive 18TB capacity maximizes rack space efficiency for dense data centers.
Data Throughput
Sustained transfer rates handle heavy workloads and big data analytics effortlessly.
Operational Reliability
Industry-leading MTBF ensures consistent uptime for critical, always-on enterprise infrastructure.
Interface Speed
The 12Gb/s SAS connection provides robust bandwidth for high-speed data access.
Latency Performance
Optimized rotational speed keeps access times low for demanding cloud environments.
Workload Endurance
Engineered specifically to withstand the relentless intensity of AI training cycles.
Key Specs
Capacity
18 TB
Rotational Speed
7200 RPM
Interface
SAS 12Gb/s
Cache Size
512 MB
Form Factor
3.5 inches
MTBF
2.5 Million Hours
Sustained Transfer Rate
269 MB/s
Interface Transfer Rate
1200 MB/s
Average Latency
4.16 ms
Weight
690 g
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