What we know

NVIDIA and Cisco have introduced a new pluggable optics form factor called Ultra-Dense Small Form Factor Pluggable (USFP). This design supports high-density optical modules capable of 400Gb/s per lane, targeting the needs of large AI data centers, often referred to as AI factories. The USFP aims to provide greater port density and bandwidth to help scale the networking infrastructure required for demanding AI workloads.

Why it matters

AI workloads are rapidly increasing, driving the need for faster and more efficient data center networking. Pluggable optics like USFP enable high-speed data transfer between servers and switches, which is critical for maintaining performance at scale. The collaboration between NVIDIA and Cisco, both leaders in AI hardware and networking, highlights a coordinated effort to develop industry standards that can support the next generation of AI infrastructure.

What is still unknown

No independent tests of accuracy or energy savings yet. Details on independent testing of performance and accuracy have not been provided. The announcement does not specify supported protocols, compatibility with existing hardware, or a timeline for broader availability. Information on software support, languages, or firmware updates related to USFP is also not disclosed.