Nvidia launches DGX Station with its bleeding-edge GB300 Grace Blackwell Superchip β now available to order and will begin shipping in the coming months Latest from Tom's Hardware By:editors@tomshardware.com (Aaron Klotz) 17 March 2026 at 22:00 Nvidia officially launches the DGX Station featuring a GB300 Grace Blackwell Ultra Desktop Superchip, 784GB of LPPDDR5X and HBM3e memory, and a 1,600-watt power rating.