UALink Consortium
Executive perspectives from UALink Consortium across NextGenInfra's event and research showcases.
5 video interviews · 2025–2026
UALink 2.0: Open GPU Interconnect for AI Clusters
- UALink 2.0 released: protocol-physical separation, in-network compute, enhanced manageability
- Includes the consortium's first UCIe-based chiplet specification
- 115-member consortium expects customer solutions on 2.0 in 2027
Full summary
Kurtis Bowman, Chairman of the UALink Consortium, presents announces the release of UALink 2.0 specifications featuring protocol-physical layer separation, in-network compute capabilities, enhanced manageability, and the consortium's first UCIe-based chiplet specification, with the 115-member organization expecting customer solutions with 2.0 to be available in 2027.
UALink - Accelerating AI Interconnect Innovation
- UALink Consortium has over 110 members implementing its specs in switches and accelerators.
- The open standard builds on existing Ethernet infrastructure.
- AWS, Google, Meta, and Intel are cited as deploying UALink in data centers.
Full summary
Kurtis Bowman, Chairman of UALink Consortium, outlines how their open standard technology meets scaling requirements with over 110 members implementing specifications in switches and accelerators. The technology builds on existing Ethernet infrastructure while enabling companies to maintain their focus, with major tech firms like AWS, Google, Meta, and Intel actively deploying UALink solutions in their data centers.
Networking Massive GPU Clusters
- UALink is an open standard for scale-up accelerator interconnect, targeting up to 1,024 connected GPUs.
- The spec aims for 200-800 Gbps data rates with low-latency GPU-to-GPU communication.
- The consortium counts over 75 members backed by major tech companies.
Full summary
Kurtis Bowman, Chairman of UALink Consortium, is leading the development of an Ultra Accelerator Link technology that enables connecting up to 1,024 GPUs for enhanced AI capabilities. The initiative, supported by major tech companies and over 75 consortium members, aims to create an open standard supporting 200-800 Gbps data rates with low latency communication between GPUs.
UALink for Scale-Up AI Interconnects
- UALink is pitched as a scale-up fabric with lower power, reduced latency, and efficient data movement.
- It achieves nearly 200 Gbit/s on a 200 Gbit/s link.
- Initial devices are expected in 2026, with widespread data center deployment in 2027.
Full summary
Kurtis Bowman, Chairman of UALink Consortium, presents UALink as a scaleup fabric solution that offers technical advantages including lower power consumption, reduced latency, and efficient data movement achieving nearly 200 Gbits per second on a 200 Gbit per second link. He reports that consortium members have IP available for designing switches and accelerators, with initial device availability expected in 2026 and widespread data center deployment anticipated in 2027.
GPU Networking Evolution: From 200G to 400G
- UALink Consortium has released a new specification amid the fast move from 200G to 400G.
- The standard enables multi-vendor GPU and switch compatibility.
- High-bandwidth, low-latency links let multiple GPUs operate as a unified system.
Full summary
Kurtis Bowman, Chairman of UALink Consortium, outlines the industry's quick advancement from 200G to 400G networking while highlighting the organization's new specification release. The standardization enables multi-vendor GPU and switch compatibility through high-bandwidth, low-latency connections that allow multiple GPUs to operate as a unified system.