M.2 - Wikipedia
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode).
Mini PC Intel NUC 11 Extreme Kit - RNUC11BTMI70000
PCI Express RevisionGen 4 (m.2 22x80 slot); Gen 3 (otherwise) · PCI Express Configurations ‡PCIe x4 Gen 4: M.2 22x80 (key M) PCIe x1 Gen 3: M.2 22x42 (key B)
LENOVO THINKPAD T490 Laptop Core i7 8665U 500 GB M.2 nVME SSD ...
Unterstütze Geräte: • NVMe M.2 SSD-Festplatten, • konzipiert für die M-Key oder B+M-Key Kartenformate, • NGFF 75-Pin M-Key Slot für M.2-Festplatten.