Data Centre Magazine December 2025 | Page 81

TECH & AI technology developed by AWS. The NeuronLink connections use blue cables to distinguish them from other networking infrastructure in the data centre.
“ Project Rainier is one of AWS’ s most ambitious undertakings to date,” says Ron Diamant, Distinguished Engineer at AWS and Head Architect of Trainium.“ It’ s a massive, one-of-its-kind infrastructure project that will usher in the next generation of AI models.”
When multiple UltraServers are connected through Elastic Fabric Adapter networking technology, identified by yellow cables, they form what AWS calls an UltraCluster. This networking operates both within individual data centre buildings and across separate facilities.

“( Tranium3) gives better performance, it gives better latency characteristics, it gets better power consumption per flop”

Matt Garman, Chief Exective Officer, AWS datacentremagazine. com 81