How many M.2 slots does the Intel NUC 11 Beast Canyon have, and what are their specs?

The Intel NUC 11 Beast Canyon has two M.2 2280 slots — one runs at PCIe Gen 4 x4 for the primary drive, the other at Gen 3 x4 (or SATA). It ditches 2.5-inch bays entirely, so it’s a pure NVMe machine.