WD GOLD ENTERPRISE CLASS WD121KRYZ 12TB 3.5" 7200RPM 256MB Cache SATA HDD

Capacity: 12TB
Model Number: WD121KRYZ
Form factor: 3.5-inch
Interface: SATA 6 Gb/s
512n / 512e user sectors per drive: 512e
Formatted capacity: 12TB
OptiNAND™ technology: No
RoHS compliant: Yes
Performance:
Data Transfer Rate (max Sustained): 255MB/s
RPM: 7200
Cache: 256MB
Power Management:
Operational: 6.9W
Idle: 5.0W
Power efficiency index: 0.4
Reliability:
MTBF (hours, projected): 2000000
Annualized Failure Rate2 (AFR, %): 0.44
Limited warranty: 5 years
Environmental:
Operating temperature: 5°C to 60°C
Non-operating temperature: -40°C to 70°C
Shock (Read/Write): 70G/70G
Non-operating (half-sine wave, 2ms): 300G
Idle Mode: 20 dBA
Seek Mode: 36 dBa
Physical Dimensions:
Height (max): 26.1mm
Length (max): 147.0mm
Width (± .01 in.): 101.6mm
Weight: 1.46 lb. (.66 kg) ± 10%