# KIOXIA CM9-R 15.36TB Review: BiCS8 Flash Hits Full Speed at Low Queue Depths

DevFeed: [KIOXIA CM9-R 15.36TB Review: BiCS8 Flash Hits Full Speed at Low Queue Depths](<https://devfeed.tech/articles/kioxia-cm9-r-15-36tb-review-bics8-flash-hits-full-speed-at-low-queue-depths-12384.md>)

Original publisher: [Read original article](<https://www.storagereview.com/review/kioxia-cm9-r-15-36tb-review-bics8-flash-hits-full-speed-at-low-queue-depths>)

Author: Brian Beeler

Published: 2026-09-02T16:13:32Z

Content type: article

Language: en

Sources: [StorageReview.com](<https://devfeed.tech/sources/storagereview-com.md>)

Topics: [datacenter](<https://devfeed.tech/topics/datacenter.md>), [Security](<https://devfeed.tech/topics/security.md>), [Availability](<https://devfeed.tech/topics/availability.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [.NET Framework](<https://devfeed.tech/topics/net-framework.md>), [dell](<https://devfeed.tech/topics/dell.md>), [intel](<https://devfeed.tech/topics/intel.md>), [Nvidia](<https://devfeed.tech/topics/nvidia.md>)

Tags: [dell](<https://devfeed.tech/tags/dell.md>), [enterprise](<https://devfeed.tech/tags/enterprise.md>), [fips-140-3](<https://devfeed.tech/tags/fips-140-3.md>), [high-availability](<https://devfeed.tech/tags/high-availability.md>), [intel](<https://devfeed.tech/tags/intel.md>), [lts](<https://devfeed.tech/tags/lts.md>), [nvidia](<https://devfeed.tech/tags/nvidia.md>), [pcie](<https://devfeed.tech/tags/pcie.md>), [performance](<https://devfeed.tech/tags/performance.md>), [review](<https://devfeed.tech/tags/review.md>), [security](<https://devfeed.tech/tags/security.md>), [ssd](<https://devfeed.tech/tags/ssd.md>), [ubuntu](<https://devfeed.tech/tags/ubuntu.md>)

## AI overview

This review evaluates the 15.36TB E3.S KIOXIA CM9-R enterprise SSD, built on eighth-generation BiCS FLASH. It highlights strong low-queue-depth performance, including 3,400K random read IOPS, 14,800 MB/s sequential read, 11,000 MB/s sequential write, and 540K random write IOPS, while emphasizing a typical active power rating of 25W. The drive supports PCIe 5.0 x4, dual-port operation, NVMe 2.0, NVMe-MI 1.2c, power-loss protection, end-to-end data protection, and optional security variants.

## Source excerpt

The KIOXIA CM9-R is the first enterprise SSD family built on eighth-generation BiCS FLASH, and the 15.36TB E3.S model in our lab is the volume sweet spot of the range: 3,400K random read IOPS and 14,800 MB/s of sequential read from a drive with a 25W typical active rating. Gen5 enterprise drives routinely push into The post KIOXIA CM9-R 15.36TB Review: BiCS8 Flash Hits Full Speed at Low Queue Depths appeared first on StorageReview.com.