AWS Makes Trainium3 Ultraservers Generally Available
AWS, Tuesday, December 2nd, 2025
Company also makes UltraServers with Nvidia GB300s available, and teases Trainium4
Amazon Web Services (AWS) has made its latest generation Trainium chips - Trainium3 - available via its UltraServers offering.
UltraServers were launched by AWS in December 2024. Comprised of four connected instances, they were initially offered with AWS' Trainium2 chips, with each UltraServer offering 64 chips.
Trainium3 is the company's first 3nm AI chip, and according to the company, the Trainium3 UltraServer offers up to 4.4x more compute performance, four times greater energy efficiency, and nearly four times more memory bandwidth than the previous generation.