AWS Outposts Adds AMD-Based bmn-cx3a Instances Featuring Accelerated Networking

AWS released bmn-cx3a instances on second-generation Outposts racks, combining 5th Gen AMD EPYC CPUs with NVIDIA ConnectX-7 network cards for high-throughput workloads on-premises.

By Elena Parker · Editorial pseudonym · 2026-06-17 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-06-17. Source published: 2026-06-17. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

Bmn-cx3a instances provide up to 256 cores, 1.5 TB memory, and 800 Gbps of accelerated networking bandwidth using native Layer 2 multicast and hardware Precision Time Protocol support. The configuration supports demanding use cases such as real-time market data and 5G core network functions on AWS Outposts.

These instances come in two metal sizes and are available wherever second-generation Outposts racks deploy globally. They represent the first AMD-based option on Outposts with accelerated networking capabilities, as per AWS announcements.

Source & further reading

AWS Outposts racks now support bmn-cx3a instances, the first AMD-based instances with accelerated networking on Outposts ↗

Source published 2026-06-17. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.