Western Digital Gold 18TB 3.5" Enterprise Class SATA 6 Gb/s HDD 7200 RPM Cache Size 512MB 5-Year Limited Warranty

Western Digital Gold 18TB 3.5" Enterprise Class SATA 6 Gb/s HDD 7200 RPM Cache Size 512MB 5-Year Limited Warranty

Part Number: WD181KRYZ

Product Features
Capacity1: 18TB
Interface: SATA 6 Gb/s
Format: Sector size (bytes)2: 512e
Native Command Queuing: Yes
Form Factor: 3.5-inch
OptiNAND™ technology: No
ArmorCacheTM: No
RoHS compliant3: Yes

Performance
Data Transfer Rate4 (max sustained transfer rate)
MiB/s / MB/s: 257 / 269
RPM: 7200
Cache: 512 MB

Reliability
MTBF (hours, projected): 2,500,000
Annualized Failure Rate (AFR, %): 0.35
Load/unload cycles (minimum): 600,000
Limited Warranty (years): 5

Power Management
Operational: 6.5W
Idle: 5.6W
Power efficiency index (W/TB, idle): 0.31

Environmental Specifications
Operating (half-sine wave, 2ms): 50G/50G
Non-operating (half-sine wave, 2ms): 250G
Operating: 5°C to 60°C
Non-operating: -40°C to 70°C
Idle Mode: 20 dBA
Seek Mode: 36 dBA

Physical Dimensions: 26.1x147x101.6mm, 1.028x5.787x4.0in, 0.66kg, 1.46lb

Country of Assembly: Thailand