WD Ultrastar DC HC555
Hard drive | Data Centre | 18 TB | internal | 3.5" | SAS 12Gb/s | 7200 rpm | buffer: 512 MB
Main Specification
| Product Description | WD Ultrastar DC HC555 - hard drive - Data Centre - 18 TB - SAS 12Gb/s |
|---|---|
| Type | Hard drive - internal |
| Capacity | 18 TB |
| Form Factor | 3.5" |
| Interface | SAS 12Gb/s |
| Data Transfer Rate | 1.2 GBps |
| Buffer Size | 512 MB |
| Spindle Speed | 7200 rpm |
| Drive Class | Data Centre |
| Features | HelioSeal, 24x7 continuous operation, advanced format 512e, advanced format 4Kn, Dynamic fly height technology, Conventional magnetic recording (CMR), Triple State Actuator (TSA), Energy-assisted PMR (ePMR), Rotational Vibration (RV) sensor |
| Dimensions (WxDxH) | 101.6 mm x 147 mm x 26.1 mm |
| Weight | 690 g |
| Manufacturer Warranty | 5-year warranty |
General
| Device Type | Hard drive - internal |
|---|---|
| Capacity | 18 TB |
| Form Factor | 3.5" |
| Interface | SAS 12Gb/s |
| Buffer Size | 512 MB |
| Features | HelioSeal, 24x7 continuous operation, advanced format 512e, advanced format 4Kn, Dynamic fly height technology, Conventional magnetic recording (CMR), Triple State Actuator (TSA), Energy-assisted PMR (ePMR), Rotational Vibration (RV) sensor |
| Width | 101.6 mm |
| Depth | 147 mm |
| Height | 26.1 mm |
| Weight | 690 g |
Performance
| Drive Class | Data Centre |
|---|---|
| Drive Transfer Rate | 1.2 GBps (external) |
| Internal Data Rate | 269 MBps |
| Average Latency | 4.16 ms |
| Spindle Speed | 7200 rpm |
Reliability
| MTBF | 2,500,000 hours |
|---|---|
| 24x7 Operation | Yes |
| Non-Recoverable Errors | 1 per 10^15 |
| Load / Unload Cycles | 600,000 |
Expansion & Connectivity
| Interfaces | 1 x SAS 12 Gb/s |
|---|---|
| Compatible Bay | 3.5" |
Power
| Power Consumption | 9.2 watt (typical) 5.7 watt (idle) |
|---|
Software & System Requirements
| OS Required | Linux, Microsoft Windows Server, Microsoft Windows |
|---|
Miscellaneous
| Compliant Standards | UL, TUV, VCCI, BSMI, ICES-003, FCC, KC, RCM, Directive 2015/863, UKCA, CB Scheme, EU Directive 2011/65/EU, Maghreb, NMB-003 |
|---|
Manufacturer Warranty
| Service & Support | Limited warranty - 5 years |
|---|
Environmental Parameters
| Min Operating Temperature | 5 °C |
|---|---|
| Max Operating Temperature | 60 °C |
| Min Storage Temperature | -40 °C |
| Max Storage Temperature | 70 °C |
| Shock Tolerance (operating) | 50 g @ 2 ms half-sine wave |
| Shock Tolerance (non-operating) | 250 g @ half-sine wave |
| Vibration Tolerance (operating) | 0.67 g @ 5-500 Hz |
| Vibration Tolerance (non-operating) | 1.04 g @ 2-200 Hz |
| Sound Emission | 32 dBA |
Product features
Robust performance
With a spindle speed of 7200 rpm and data transfer rate of 1.2 GBps, the WD Ultrastar DC HC555 ensures efficiency for reading and writing tasks, optimizing workflow for data-intensive applications.Extensive capacity
Offering 18 TB of storage, this hard drive accommodates essential data and applications, making it suitable for data centers and businesses with growing data needs.Durable design
Built to endure operational stresses, this drive features shock and vibration tolerances that protect data integrity in dynamic environments.Advanced technology
Incorporating features like Energy-assisted PMR and Rotational Vibration sensors, the drive optimizes performance while mitigating risks associated with heat and mechanical stress.Environmental adaptability
The WD Ultrastar DC HC555 performs effectively across a temperature range from 5°C to 60°C, ensuring reliability in various operational settings.Key selling points
- 18 TB capacity for extensive data storage
- 24x7 continuous operation designed for demanding environments
- Dynamic fly height technology enhances performance
- Low sound emission of 32 dBA for quieter operation
- MTBF of 2,500,000 hours ensures reliability
References
MPN: 0B47747
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23/06/2026 22:18:20