The HP 245 G7 Notebook Supports Either Single Drive or Dual Drive Configurations Depending on the System Board Installed. (Single and Dual Drive Options with a AMD Ryzen 3/5 xxxxU Series Processor: One 2.5" Solid State Drive or Hard Drive and/or One M.2 NGFF (2280) Solid State Drive) or (Single Drive Options with a AMD Athlon APU 3xxxU Series or A4/A6/A9/E2 Series Processor: One 2.5" Solid State Drive or Hard Drive) Note: If adding a 2.5" Drive to models with a AMD Ryzen 3/5 xxxxU series processor, you will need the 2.5" Drive cover p/n L23219-001 and cable p/n L23187-001 for installation. (The M.2 slot on the AMD Ryzen 3/5 xxxxU series system boards support SATA and PCIe NVMe Solid State Drives)