The Lenovo IdeaPad Slim 3-15ABR8 Laptop Supports Single Drive Configuration Only. (One M.2 NGFF (2280) or (2242) Solid State Drive) Note: M.2 Drives with PCIe Generation 4.0 x4 performance are downgraded to closer to PCIe Generation 3.0 x4 performance due to AMD platform limitations. (The M.2 slot supports M.2 2280 and 2242 PCIe NVMe Gen4.0 x4 Solid State Drives)