Toshiba N300 PRO 16TB Large-Sized Business NAS (up to 24 bays) 3.5-Inch Internal Hard Drive - Up to 300 TB/year Workload Rate CMR SATA 6 GB/s 7200 RPM 512 MB Cache - HDWG51GXZSTB

Built for medium or large business NAS with up to 24 bays, Designed for 24/7 operation, High reliability with workload rate of up to 300 TB/year and MTTF up to 1.2 million hours., High performance 7200 RPM drive with large cache size, Optimized for RAID environments with integrated RV sensors to mitigate rotational vibrations