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Astera Labs ships 320-lane PCIe 6.0 switch for AI accelerator scaling

Astera Labs has unveiled its Scorpio X-Series 320 Lane Smart Fabric Switch, designed to enhance data center scalability for AI accelerators. This PCIe 6.0 switch offers 320 lanes and 20 Tbps of bandwidth, enabling connections for up to 80 accelerators in a single system. Key features include hardware-based data replication for AI model communication and in-network compute engines to reduce latency, with production ramp expected in the second half of 2026. AI

IMPACT Enables larger, more efficient AI accelerator clusters by improving inter-accelerator communication and scalability.

RANK_REASON Product launch of a new, high-capacity data center switch for AI accelerators. [lever_c_demoted from significant: ic=1 ai=0.7]

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Astera Labs ships 320-lane PCIe 6.0 switch for AI accelerator scaling

COVERAGE [1]

  1. Tom's Hardware TIER_1 English(EN) · Anton Shilov ·

    Astera Labs showcases 320-lane PCIe 6.0 switch for vendor-agnostic scaling in data centers — up to 80 accelerators can be scaled up using PCIe alone

    Astera Labs has shown off the Scorpio X-Series 320-lane PCIe switch that promises to enable vendor-agnostic scale-up capability for AI infrastructure and disaggregated data center infrastructure.