Western Digital Red Pro WD202KFGX internal hard drive 20 TB 7200 RPM 512 MB 3.5" Serial ATA III

Enterprise-class hard drives engineered to deliver high performance and reliability to commercial and enterprise NAS environments.

WD Red Pro drives are engineered to handle high-intensity workloads in 24×7 multi-user commercial and enterprise NAS environments. WD Red Pro drives deliver the performance, scalability and dependability businesses require to store, share and collaborate on large amounts of data in multi-bay RAID-optimized NAS systems.