WD 18TB Red Pro 3.5 SATA 6Gb /s 7200rpm 512MB HDD drive

The WD WD181KFGX is a 3.5-inch WD Red Pro hard drive with a capacity of 18 TB, optimized for RAID NAS systems in business and enterprise environments. It uses a SATA 6 Gb/s interface, spins at 7200 RPM, and is equipped with 512 MB of cache. The drive is designed for continuous operation (24/7) and high-intensity workloads of up to 550 TB/year. Built-in rotational vibration sensors (RV), NASware™, and MTBF of 2.5 million hours ensure high reliability, data protection, and stable operation in complex systems.

Specifications:
Model: WD181KFGX
Capacity: 18 TB
Form factor: 3.5"
Interface: SATA 6 Gb/s
Rotational speed: 7200 RPM
Cache: 512 MB
Recording technology: CMR
24/7 operation: Yes
Workload: up to 550 TB/year
Rotational vibration sensors (RV): Yes
NASware™: Yes
Mean time between failures (MTBF): 2,500,000 hours
Dimensions (L × W × H): 147 × 101.6 × 26.1 mm
Weight: approximately 690 g

Official manufacturer website: https://www.westerndigital.com/en-ap/products/internal-drives/wd-red-pro-sata-hdd?sku=WD181KFGX