Kioxia CM9-R E3.S: read ceiling, thin write proof
The endurance line, not the read ceiling, sets the tone for Kioxia's CM9-R E3.S: 1 DWPD, PCIe 5.0, NVMe 2.0, and up to 3,400K random reads with 540K random writes.
The read ceiling is the headline, but the page ties it to the CM9 Series rather than a single capacity, queue depth, or host. For a 15.36TB part, that leaves the sustained read path unverified.
The hardware profile is aimed at read-intensive enterprise slots: E3.S, 7.5 mm, dual-port, PCIe 5.0, NVMe 2.0, PLP, and security options. The write side is thinner, with 540K random writes and 1 DWPD endurance.
What is missing is the buyer's evidence: no sustained IOPS, latency, power, temperature, test host, or capacity-specific result. That leaves the listing without proof that the 15.36TB drive holds those numbers.
The read ceiling is useful, but the write path and endurance need workload proof before a buyer commits.
15.36TB capacity · 3,400K random-read IOPS · 540K random-write IOPS · PCIe 5.0 · NVMe 2.0 · E3.S, 7.5 mm
After europe.kioxia.com. We did not report this. The pictures, if any, are theirs.
