The Lenovo ThinkPad P1 Gen 6 Laptop Supports Single or Dual Drive Configuration Depending on the Graphics Card Installed. Models with NVIDIA RTX A1000 / A2000 Graphics Support Single and Dual Drive Configurations. (Two M.2 NGFF (2280) Solid State Drive Slots) or Models with NVIDIA RTX A3500 / A4000 / A5000 or GeForce RTX4060 / 4080 / 4090 Graphics Support Single Drive Configuration Only. (One M.2 NGFF (2280) Solid State Drive Slot)