<p>At NVIDIA GTC 2025, the NVIDIA GB300 NVLink Switch tray was showcased. This liquid-cooled switch tray is designed to fit in the NVL72 racks, with features like liquid-cooling nozzles, busbar power, and connectors for NVLink cable cartridges. The design includes liquid-cooled NVLink switch chips and metal tubes for liquid cooling, differentiating it from typical liquid-cooled servers.</p>