Western Digital HDD | Red Pro Series | 12 TB | SATA 3.0 | 256 MB Cache | 7200 RPM | 3.5" | WD121KFBX

The WD Red Pro WD121KFBX is a reliable 3.5" internal HDD designed for NAS systems with up to 24 bays. It offers a large 12 TB capacity, 256 MB cache, and a 7200 RPM spindle speed via a SATA 3.0 interface. Built for 24/7 operation, it features advanced vibration protection and error recovery control, making it ideal for business-class storage and multi-user environments.