The Western Digital Red Pro 12TB Hard Drive, part number WD121KFBX-68EF5N0, is engineered for NAS environments with high capacity and performance. Operating at 7200RPM and equipped with a 256MB cache, it delivers fast data access and reliable storage. Its 3.5-inch form factor and 6Gb/s SATA interface make it ideal for demanding applications and RAID configurations. Designed for durability and optimized for NAS systems, this drive ensures efficient data handling and storage reliability.