Kioxia, AIO Core, and Kyocera have prototyped a PCIe 5.0-compatible broadband SSD with an optical interface. The trio is developing broadband optical SSD technology for advanced applications requiring high-speed, large-volume data transfer, such as generative AI. They will also conduct proof-of-concept testing to support real-world adoption and integration.
Combining AIO Core’s IOCore optical transceiver and Kyocera’s OPTINITY optoelectronic integration module, Kioxia’s prototype delivers twice the bandwidth of the PCIe 4.0 optical SSD demonstrated in August 2024. Replacing electrical wiring with an optical interface increases the allowable distance between compute and storage devices in next-generation green data centers while preserving energy efficiency and signal integrity.
The prototype was developed under Japan’s “Next Generation Green Data Center Technology Development” project (JPNP21029), part of NEDO’s Green Innovation Fund initiative. The project aims to reduce data center energy consumption by over 40% through next-generation technologies. Kioxia is developing optical SSDs, AIO Core is working on optoelectronic fusion devices, and Kyocera is creating optoelectronic packaging.
No timeline for commercialization has been announced.
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