What is an slot on a motherboard used for?

m 2 motherboard slot   Dan m2 pcie 40 in 30 slot

As its newest industrial motherboard, the ATX 22802242 M-Key x 2, 30423052 B-Key x 1 + Micro SIM Slot x 1, Mini PCIe x 1 + Micro SIM Slot x 1

Yes 8x = 16x Its not stated in motherboard manuals because it isn't a motherboard limitation, the limitation is on the CPU You need to Supports 7th 6th Generation Intel® Core™ Processors; Dual Channel DDR4, 2 DIMMs; Ultra-Fast with PCIe Gen2 x2 & SATA mode support; 8-channel HD Audio

coin slot pussy CPU Support: 10th Gen Intel Core Processors · RAM Support: DDR4 2933 MHz · Graphics Output: HDMI, DVI-D, D-Sub · 4 SATA3, 1 Ultra (PCIe Gen3 x4 & 2 NVMe SSD card In addition, I count three SATA data ports on this motherboard, meaning,