Astera Labs, Inc., headquartered in San Jose, California, is a fabless manufacturing company that develops connectivity technologies and related software that are used in data centers serving the artificial intelligence and cloud-computing markets. Its products include the Aries PCIe/Compute Express Link smart DSP retimers, which extend the physical reach and improve signal integrity for PCI Express connections in large server clusters; Scorpio smart fabric switches, which provide high-bandwidth GPU-to-GPU interconnects and manage traffic inside AI racks; Taurus ethernet smart cable modules, which advance high-speed ethernet networking infrastructure over copper links; and Leo CXL memory controllers, which facilitate high-speed memory expansion and memory pooling for memory-heavy workloads. In 2025, the company received approximately 70% of its revenue from a single primary customer and received 86% of its revenue from its three largest customers. Its principal competitors are Broadcom, Marvell Technology, Microchip Technology, Montage Technology, and Rambus.