How many drives can the Lenovo ThinkCentre M710q fit?

The Lenovo ThinkCentre M710q fits one NVMe SSD and one SATA drive — that’s it. It has one M.2 2280 NVMe slot over PCIe 3.0 x4 and one 2.5-inch SATA bay for a 7mm HDD or SSD, with no second SATA port.