ASUS Z590 ROG MAXIMUS XIII EXTREME
A 6GHz compatible router is required for 6E functionality. Slots - 3 x PCIe x16 Slots (PCIE1/PCIE2/PCIE4: single at Gen5x16 (PCIE1); dual at Gen5x8 (PCIE1) ...
What is PCIe? Understanding PCIe Slots, Cards and Lanes
PCIe slots are designed to be backwards compatible, meaning that a card with fewer lanes (like a 4x) can be used in a slot with more lanes (like a 16x).
Lenovo ThinkPad T470 (M.2 PCIe Only) | SSD & RAM Upgrades | Crucial IN
Find compatible upgrades and system info for Lenovo ThinkPad T470 (M.2 PCIe Only). Discover RAM and SSD compatibility, slots, and max capacity.