AI networking & optical interconnect
AI networking & optical interconnect covers scale-up and scale-out fabrics, AI-tuned Ethernet/InfiniBand, NICs and co-packaged/photonic optics that wire accelerators inside and between AI racks.
In brief
AI networking & optical interconnect, in brief.
What it isAI networking & optical interconnect covers scale-up and scale-out fabrics, AI-tuned Ethernet/InfiniBand, NICs and co-packaged/photonic optics that wire accelerators inside and between AI racks.
Where it sitsOne of 14 categories in the Compute layer. Compute is the hardware AI runs on and the companies that rent it out: GPU clouds, AI chips, servers, data centres, and the software that schedules jobs across them. It is where the cost of training and running models is set.
What we track33 products, including AMD Pensando Pollara AI NIC, Arista Etherlink AI networking, Astera Labs Scorpio fabric switches / Aries retimers, Avicena microLED interconnect and Ayar Labs TeraPHY optical I/O.
The products
33 products in AI networking & optical interconnect.
Each name opens a search for that product in our index.
ProductMakerIts own site
From our census of 2026-11-08. A product listed here is one that belongs in this category; the search answer says whether we have checked it.
Questions
AI networking & optical interconnect, answered.
What is AI networking & optical interconnect in AI infrastructure?AI networking & optical interconnect covers scale-up and scale-out fabrics, AI-tuned Ethernet/InfiniBand, NICs and co-packaged/photonic optics that wire accelerators inside and between AI racks.
Which layer of AI infrastructure is AI networking & optical interconnect in?AI networking & optical interconnect is in the Compute layer. Compute is the hardware AI runs on and the companies that rent it out: GPU clouds, AI chips, servers, data centres, and the software that schedules jobs across them. It is where the cost of training and running models is set.
Which products are in AI networking & optical interconnect?We track 33 products in AI networking & optical interconnect, including AMD Pensando Pollara AI NIC, Arista Etherlink AI networking, Astera Labs Scorpio fabric switches / Aries retimers, Avicena microLED interconnect, Ayar Labs TeraPHY optical I/O, Broadcom Tomahawk / Jericho / Thor NICs, Celestial AI Photonic Fabric and Ciena data center interconnect. The full list is on this page.
Compute
The other categories in Compute.
AI chips / accelerator cloudsAI data centres & colocationAI servers & on-prem systemsAI storage for GPU clustersCloud GPU notebooks & dev environmentsCompute price indexes & GPU price trackersEdge AI accelerators & NPU toolchainsGPU cluster schedulers & orchestrationGPU marketplacesGPU observability & efficiencyHyperscaler GPUNeoclouds / GPU cloudsServerless GPU