SLAC National Accelerator Laboratory, operated by Stanford University for the Department of Energy, is seeking quotes for a 4-slot, 40G-compatible chassis with specific technical requirements, including redundant shelf manager support, AC power, hot-swap fans, and a three-year warranty. The contract is for product only, with no on-site services, and performance will be at SLAC in Menlo Park, California. Source selection will be based on the lowest price and best lead time, with quotes due by July 15, 2026. The Buy American Act applies to awards over $15,000 per unit, and the resulting purchase order will be fixed-price with NET-30 payment terms. No budget amount is specified.