Western Digital Ultrastar DC HC550 14TB 7200RPM SATA Enterprise Hard Drive
The Western Digital Ultrastar DC HC550 is a high-capacity enterprise-grade internal hard drive designed to deliver exceptional performance and reliability for data center environments. With 14TB of storage capacity, 7200 RPM spindle speed, and 512MB cache, this drive is optimised for demanding workloads and continuous operation in servers, storage systems, and high-density data centers.
Advanced Enterprise Technology
Built on Western Digital's 6th generation HelioSeal technology, the Ultrastar DC HC550 uses helium-sealed design to reduce internal turbulence and friction. This drive features Energy-Assisted Magnetic Recording (EAMR) and Triple Stage Actuator (TSA) technology to enhance areal density and head-positioning accuracy, delivering superior performance while reducing power consumption.
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Capacity: 14TB for massive data storage
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Interface: SATA 6Gb/s (SATA/600)
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Spindle Speed: 7200 RPM for fast data access
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Cache Buffer: 512MB for optimised performance
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Recording Technology: Conventional Magnetic Recording (CMR) with EAMR
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Format: 512e (Advanced Format with 4K physical sectors)
Enterprise-Grade Reliability
Designed for 24/7 operation, the Ultrastar DC HC550 offers outstanding reliability with a 2.5 million hour MTBF rating and 0.35% Annualized Failure Rate (AFR). The drive supports workloads up to 550TB per year, making it ideal for object storage, big data analytics, and cloud storage applications.
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MTBF: 2.5 million hours
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Workload Rate: Up to 550TB per year
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Load/Unload Cycles: 600,000
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Operating Temperature: 5°C to 60°C
Total Cost of Ownership Benefits
The Ultrastar DC HC550 plays a leading role in reducing Total Cost of Ownership (TCO) for data centers. Higher capacity drives enable lower capital expenditure by reducing supporting hardware and system-level costs. HelioSeal technology ensures low power consumption and high reliability, contributing to operational expense savings through reduced energy and maintenance costs.
Security and Data Protection
The DC HC550 offers security and encryption options to help protect data from unauthorised use, including Self-Encrypting Drive (SED) models in SATA configurations.
What's in the Box
- Western Digital Ultrastar DC HC550 14TB Hard Drive
- Documentation
Full Specifications
Storage
| Capacity |
14TB |
| Form Factor |
3.5-inch |
| Interface |
SATA 6Gb/s (SATA/600) |
| Recording Technology |
Conventional Magnetic Recording (CMR) with EAMR |
| Format |
512e (Advanced Format) |
Performance
| Spindle Speed |
7200 RPM |
| Cache Buffer |
512MB |
| Transfer Rate |
Up to 262 MB/s |
| Average Latency |
4.16 ms |
Reliability
| MTBF |
2.5 million hours |
| Annualized Failure Rate (AFR) |
0.35% |
| Workload Rate |
550TB per year |
| Load/Unload Cycles |
600,000 |
| Error Rate |
1 in 1015 bits read |
Physical Specifications
| Dimensions (L × W × H) |
147mm × 101.6mm × 26.1mm |
| Weight |
690g (1.52 lbs) |
Environmental
| Operating Temperature |
5°C to 60°C |
| Non-Operating Temperature |
-40°C to 70°C |
Warranty
Specifications are sourced from the manufacturer product page and may be updated.