Architects' Tech Alliance

Nov 3, 2026 · Industry Insights

Huawei's 448Gbps AI Switch Interconnect: PAM6 vs PAM4 Trade-offs

Huawei presents OIF 448G AI Workshop research on next-gen 448Gbps single-lane interconnects for AI clusters, comparing PAM4 and PAM6 modulation across intra-rack, inter-rack, and inter-DC architectures while analyzing FEC schemes, connector limits, and reliability trade-offs for electrical and optical links.