10 Fastest-Growing AI Infrastructure Stocks to Buy

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6. Astera Labs Inc. (NASDAQ:ALAB)

Astera Labs Inc. (NASDAQ:ALAB) is one of the fastest-growing AI infrastructure stocks to buy. On June 3, 2026, Astera Labs said it had expanded its Taiwan operations and Cloud-Scale Interop Lab, strengthening engineering, operations, and coordination with customers and ecosystem partners in one of the world’s key semiconductor supply-chain hubs.

For AI infrastructure, time to revenue increasingly depends on validation work near the companies building rack-scale systems, because CPUs, GPUs, switches, retimers, cables, firmware, and diagnostics have to function as deployable platforms rather than isolated parts. Astera Labs Inc. (NASDAQ:ALAB) said the expanded lab would support collaboration with AMD, Arm, Intel, NVIDIA, GIGABYTE, Ingrasys, Inventec, Quanta Cloud Technology, and Wiwynn to shorten product-development, debugging, and qualification cycles. The same demand for faster rack-scale deployment was visible in Q1 2026, when Astera’s revenue rose 93% year-over-year to $308.4 million, driven by demand for its PCIe 6 portfolio.

Astera Labs Inc. (NASDAQ:ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions, including CXL, Ethernet, NVLink Fusion, PCIe, UALink semiconductor technologies, and COSMOS software for scale-up and scale-out connectivity.

While we acknowledge the potential of ALAB to grow, our conviction lies in the belief that some other AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than ALAB and that has 100x upside potential, check out our report about the cheapest AI stock.

Click to continue reading and see 5 Fastest-Growing AI Infrastructure Stocks to Buy.

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