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WD181KRYZ, Western Digital WD Gold HDD, 18TB, SATA 6Gb/s, 3.5-inch

Marca: Western Digital
Modelo: WD181KRYZ

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WD181KRYZ, Western Digital WD Gold HDD, 18TB, SATA 6Gb/s, 3.5-inch

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Vista Geral

Western Digital WD181KRYZ Vista Geral

The WD181KRYZ is a Western Digital WD Gold 18TB enterprise-class SATA hard drive designed for enterprise servers, RAID/JBOD, business continuity, and large-scale storage.

Key Specifications

Capacity

18TB

Interface

SATA 6Gb/s

Recording Technology

CMR

Sustained Transfer Rate

269MB/s

Maximum Rated Workload

Up to 550TB/year

weight

0.69kg / 1.52lb ±10%

Best Fit Applications

Hybrid Cloud and Colocation Storage

Designed for hybrid-cloud and colocation storage deployments that need enterprise-class SATA capacity.

RAID and JBOD Storage

Validated for demanding storage arrays such as RAID and JBOD configurations.

AI Training Data and Business Continuity

Fits AI training data sets, data repatriation, and business-continuity storage deployments.

Why WD181KRYZ

550TB/Year Workload Rating

WD Gold models with confirmed detailed specifications are rated for up to 550TB per year and a 5-year limited warranty.

Enterprise CMR Storage

The confirmed WD Gold models use CMR recording and 7,200 RPM operation for sustained enterprise storage workloads.

Capacity and Drive Technology

The model combines its confirmed capacity with an Air or Helium drive design and the sustained transfer rate shown in the specification table.

Compare Related Models

	WD181KRYZ	WD161KRYZ	WD203KRYZ	WD142KRYZ	WD221KRYZ
Capacity	18TB	16TB	20TB	14TB	22TB
Interface	SATA 6Gb/s	SATA 6Gb/s	SATA 6Gb/s	SATA 6Gb/s	SATA 6Gb/s
Interface Access Speed	6Gb/s	6Gb/s	6Gb/s	6Gb/s	6Gb/s
Interface Ports	Single	Single	Single	Single	Single
Sector Format	512e	512e	512e	512e	512e
Recording Technology	CMR	CMR	CMR	CMR	CMR
Drive Technology	Helium	Helium	Helium	Helium	Helium
Spindle Speed	7,200 RPM	7,200 RPM	7,200 RPM	7,200 RPM	7,200 RPM
Cache	512MB	512MB	512MB	512MB	512MB
Sustained Transfer Rate	269MB/s	262MB/s	285MB/s	262MB/s	291MB/s
Maximum Rated Workload	Up to 550TB/year	Up to 550TB/year	Up to 550TB/year	Up to 550TB/year	Up to 550TB/year
MTBF / AFR	2,500,000 hours (projected) / 0.35%	2,500,000 hours / 0.35%	2,500,000 hours (projected) / 0.35%	2,500,000 hours / 0.35%	2,500,000 hours (projected) / 0.35%
Operating Power	6.5W	6.5W	6.4W	6.5W	7.1W
Idle Power	5.6W	5.6W	5.3W	5.6W	5.7W
Bare Drive Weight	0.69kg / 1.52lb ±10%	0.69kg / 1.52lb ±10%	0.69kg / 1.52lb ±10%	0.69kg / 1.52lb ±10%	0.67kg / 1.47lb ±10%
Recommended Use	Enterprise servers, RAID/JBOD, business continuity, and large-scale storage	Enterprise servers, RAID/JBOD, and high-capacity data-center storage	Enterprise servers, RAID/JBOD, business continuity, and high-capacity storage	Enterprise servers, RAID/JBOD, and data-center storage	High-uptime RAID/JBOD, hybrid cloud, and AI training data storage

Certificações de qualidade

Especificação

Western Digital WD181KRYZ Especificação

General
Brand	Western Digital
Product Family	WD Gold
Product Position	Enterprise SATA HDD
Model	WD181KRYZ
Capacity	18TB
Form Factor	3.5-inch
Interface	SATA 6Gb/s
Interface Transfer Rate (Max)	6Gb/s
Interface Ports	Single
Sector Format	512e
Advanced Format (AF)	Yes
Recording Technology	CMR
Drive Technology	Helium
Spindle Speed	7,200 RPM
Cache	512MB
Performance and Reliability
Sustained Transfer Rate	269MB/s
Maximum Rated Workload	Up to 550TB/year
Mean Time Between Failures (MTBF)	2,500,000 hours (projected)
Annualized Failure Rate (AFR)	0.35%
Power
Average Power (Read/Write)	6.5W
Idle Power	5.6W
Power Efficiency Index (Idle)	0.31 W/TB
Environmental
Operating Temperature	5°C to 60°C
Non-operating Temperature	-40°C to 70°C
Operating Shock	50G/50G
Non-operating Shock	250G
Physical
Dimensions	147.0 × 101.6 × 26.1mm (L × W × H)
Weight (Bare Drive)	0.69kg / 1.52lb ±10%
Acoustics	20 dBA idle / 36 dBA seek
Warranty
Warranty, Limited	5 years
Features
OptiNAND Technology	No
ArmorCache Technology	No
RoHS Compliant	Yes

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