The Kioxia CM9-R is a 15.36TB enterprise NVMe SSD in the E3.S form factor, measuring 7.5mm thick. It uses BiCS FLASH generation 8 TLC and operates over PCIe Gen5, with the option of a single x4 or dual x2 connection. The dual-port capability is a key feature for storage arrays that require redundant paths to the drive, a common need in high-availability systems.
Kioxia rates the drive for sequential reads up to 14,800 MB/s and writes up to 11,000 MB/s, with 4K random performance reaching 3.4 million read IOPS and 540,000 write IOPS. Endurance is specified at 1 drive write per day (DWPD) over a five-year warranty, which positions it as a mid-range endurance option rather than a high-write-tier product.
The review notes that while 15.36TB might seem large, it is now considered a midrange capacity given the emergence of 245/256TB-class SSDs. The drive requires a compatible E3.S bay due to its protruding edge connector. Overall, the CM9-R appears aimed at enterprise deployments where capacity, Gen5 throughput, and dual-port redundancy matter more than extreme endurance.