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Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

The WD Ultrastar DC HC555 offers a robust 18 TB capacity designed to meet the demands of data centers and enterprise storage. Engineered with heating technologies like HelioSeal and dynamic fly height, this hard drive maintains optimal performance under varying conditions. With a data transfer rate of 600 MBps and a spindle speed of 7200 rpm, it ensures efficient data handling for 24x7 operations.

Durability is a key feature, with a mean time between failures (MTBF) of 2,500,000 hours and resilience against shocks and vibrations, making it ideal for critical applications. It operates at a low sound level of 32 dBA, ensuring minimal disruption in noise-sensitive environments. The versatile 3.5” form factor and compliance with various standards underscore its reliability and suitability for diverse storage needs.


Specification Summary

Product Description
WD Ultrastar DC HC555 - hard drive - Data Centre - 18 TB - SATA 6Gb/s
Type
Hard drive - internal
Capacity
18 TB
Form Factor
3.5"
Interface
SATA 6Gb/s
Data Transfer Rate
600 MBps
Buffer Size
512 MB
Spindle Speed
7200 rpm
Drive Class
Data Centre
Features
Advanced format 512e, advanced format 4Kn, 24x7 continuous operation, Triple State Actuator (TSA), Dynamic fly height technology, HelioSeal, Rotational Vibration (RV) sensor, Conventional magnetic recording (CMR), Energy-assisted PMR (ePMR)
Dimensions (WxDxH)
101.6 mm x 147 mm x 26.1 mm
Weight
690 g
Manufacturer Warranty
5-year warranty

Specifications

EAN / GTIN:
829686009509
General
Device Type
Hard drive - internal
Capacity
18 TB
Form Factor
3.5"
Interface
SATA 6Gb/s
Buffer Size
512 MB
Features
Advanced format 512e, advanced format 4Kn, 24x7 continuous operation, Triple State Actuator (TSA), Dynamic fly height technology, HelioSeal, Rotational Vibration (RV) sensor, Conventional magnetic recording (CMR), Energy-assisted PMR (ePMR)
Width
101.6 mm
Depth
147 mm
Height
26.1 mm
Weight
690 g
Performance
Drive Class
Data Centre
Drive Transfer Rate
600 MBps (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 SATA 6 Gb/s
Compatible Bay
3.5"
Power
Power Consumption
6.4 watt (typical) ¦ 5.3 watt (idle)
Software & System Requirements
OS Required
Microsoft Windows, Linux, Microsoft Windows Server
Miscellaneous
Compliant Standards
BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL, Directive 2015/863, EU Directive 2011/65/EU
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

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