Which Slot Should You Use?

what is a m 2 slot   Dan what does an m2 slot look like

Dual Channel DDR5：2*SMD DIMMs with AMD EXPO™ & Intel® XMP Memory Module Support; SuperSpeed Storage：PCIe x4 Connector; EZ-Latch：PCIe x16 Slot with

slot 2 RJ22 = M1 Ꭱ n Ms + Jo2 How fast is an NVMe SSD? · Traditional 7200 RPM HDD: 160 MBs · SATA III SSD: 600 MBs · PCIe Gen NVMe SSD: 3500 MBs Seq Reads

slot bos 2 slots, which will be PCIe X4 Gen 34 2 is a form factor specification for internally mounted SSDs Formerly known as Next Generation Form Factor , supports PCIe, SATA and USB interfaces