WD Red WD80EFZZ (8TB, 5400 RPM ,Class SATA 6 Gb/s,128MB Cache 3.5 “)NAS Hard Disk Drive

Capacity: 8TB,
Form Factor: 3.5-Inch,
Connector/Interface: SATA,
Transfer Rate: Up to 185MB/s,
Disk Speed: 5640 RPM,
Recording Technology: CMR,
Cache Size: 128MB,
Endurance (TBW): N/A,
Dimensions: 5.787″ x 4″ x 1.028″,
Weight: 750g,
Model Number: WD80EFZZ,
Operating Temperature: 0°C to 65°C,
Non-Operating Temperature: -40°C to 70°C,
Features: Ideal for home offices, power users, small to medium businesses, and consumer/commercial NAS systems, for RAID-optimized NAS systems with up to 8 bays, rated for 180TB/year workload and 1M hours MTBF,
Compatibility: RAID-optimized NAS systems with up to 8 days.