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NVLink, CXL, PCIe, and the fabric that connects the silicon.

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Interconnect SINGLE-SOURCE 2 min brief

Astera Labs Unveils Leo 2 and Leo X: CXL 3.2 and Fabric-Attached Memory Expansion

Astera Labs launched Leo 2 (CXL 3.2, PCIe Gen6) and Leo X, which attaches memory expanders directly to AI accelerator fabric networks.

According to ServeTheHome, Astera Labs launched a new generation of Leo smart memory controllers. The Leo 2 series adds support for CXL 3.2 and PCIe Gen6, while the…

Leo 2 (CXL 3.2, PCIe Gen6)Leo X (fabric-attached)Rackscale memory expansionAI accelerator fabric
The Die Brief Desk · ServeTheHome · September 20, 2026 Read the brief →