What is the maximum internal storage capacity of the Dell OptiPlex 7090 SFF?

The Dell OptiPlex 7090 SFF tops out at 4 TB total — 2 TB from the M.2 NVMe slot and 2 TB from the 2.5-inch SATA bay. It’s a straightforward two-drive setup: one fast NVMe drive and one SATA drive for bulk storage.