KIOXIA’s PCIe 4.0 NVMe SSDs Now Qualified with NVIDIA Magnum IO GPUDirect Storage

NVIDIA Magnum IO Subsystem with CM6 Series SSDs Powers Data-Intensive Applications Including AI/ML, Data Analytics, Deep Learning

SAN JOSE, Calif., April 14, 2021 –   KIOXIA America, Inc. today announced that its lineup of CM6 Series PCIe® 4.0 enterprise NVMe® SSDs has been successfully tested and certified to support NVIDIA’s® Magnum IO GPUDirect Storage®.

Modern AI and data science applications are synonymous with massive datasets – as are the storage requirements that go along with them. Part of the NVIDIA Magnum IO subsystem designed for GPU-accelerated compute environments, NVIDIA Magnum IO GPUDirect Storage allows the GPU to bypass the CPU and communicate directly with NVMe SSD storage. This improves overall system performance while reducing the impact on host CPU and memory resources. Through rigorous testing conducted by NVIDIA, KIOXIA’s CM6 drives have been confirmed to meet the demanding storage requirements of GPU-intensive applications.

“Large AI/ML, HPC modeling and data analytics datasets need to be moved and processed in real-time, pushing performance requirements through the roof,” said Neville Ichhaporia, vice president, SSD marketing and product management for KIOXIA America, Inc.  “By delivering speeds up to 16.0 gigatransfers per second throughput per lane, our CM6 Series SSDs enable NVIDIA’s Magnum IO GPUDirect Storage to work with increasingly large and distributed datasets, thereby improving overall application performance and providing a path to scaling dataset sizes even further.”

“Customers run modern AI and data applications on NVIDIA-accelerated computing to successfully develop and deploy these advanced workloads,” said Rob Davis, vice president of Storage, NVIDIA Networking. “With NVIDIA Magnum IO GPU Direct storage, KIOXIA’s CM6 Series offers customers a fully tested storage solution that they can trust.”

As the inventor of NAND flash and the first company to publicly demonstrate PCIe 4.0 SSDs1, KIOXIA has established itself as a leader in developing PCIe and NVMe SSDs. Dual-ported for high-availability, KIOXIA’s CM6 Series of SSDs are PCIe 4.0 and NVMe 1.4-compliant and feature a 2.5-inch 15mm Z-height (U.2) form factor2. Available in capacities up to 30.72 terabytes (TB), CM6 drives deliver throughput performance of up to 6.9 GB/s and up to 1.4M IOPS (input/output operations per second).

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About KIOXIA America, Inc.
KIOXIA America, Inc. is the U.S.-based subsidiary of KIOXIA Corporation, a leading worldwide supplier of flash memory and solid state drives (SSDs). From the invention of flash memory to today’s breakthrough BiCS FLASH™ 3D technology, KIOXIA continues to pioneer innovative memory, SSD and software solutions that enrich people's lives and expand society's horizons. The company's innovative 3D flash memory technology, BiCS FLASH, is shaping the future of storage in high-density applications, including advanced smartphones, PCs, SSDs, automotive, and data centers. For more information, please visit

1: As of August 2019

2: 2.5-inch indicates the form factor of the SSD. It does not indicate drive's physical size

Performance estimates are preliminary and subject to change without notice

In every mention of a KIOXIA product: Definition of capacity - KIOXIA Corporation defines a megabyte (MB) as 1,000,000 bytes, a gigabyte (GB) as 1,000,000,000 bytes and a terabyte (TB) as 1,000,000,000,000 bytes. A computer operating system, however, reports storage capacity using powers of 2 for the definition of 1Gb = 230 bits = 1,073,741,824 bits, 1GB = 230 bytes = 1,073,741,824 bytes and 1TB = 240 bytes = 1,099,511,627,776 bytes and therefore shows less storage capacity. Available storage capacity (including examples of various media files) will vary based on file size, formatting, settings, software and operating system, and/or pre-installed software applications, or media content. Actual formatted capacity may vary.

PCI Express and PCIe are registered trademarks of PCI-SIG

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NVIDIA and NVIDIA GPUDirect Storage are trademarks and/or registered trademarks of NVIDIA Corporation in the U.S. and/or other countries. Other company and product names may be trademarks of the respective companies with which they are associated.

All other company names, product names and service names may be trademarks of their respective companies.

  • Information in this press release, including product pricing and specifications, content of services, and contact information is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable KIOXIA product specifications.