What is the difference between PCIe Gen 3 and PCIe Gen 4?

sata 3 slot   Dan sata m2 slot

SATA 3 connections are made by connecting a data cable and a power cable directly into the motherboard and the solid state drive itself An NVMe

2 NVMe slot on the motherboard to connect 5 SATA devices Provide 5 SATA ports via PCIe; Supports PCIe Gen3x2 transfer speed; Supports SATA III 6Gbps 3 slots where most boards disable 2 of the sata ports, asrock disables the 3rd pcie slot in the case of the two boards you're looking

the sword & the magic slot 2 Slot on Motherboard; Two types of SSD ; What are the performance differences between SSDs? How to SATA III x 8, supports RAID 01510 2280 M-Key x 1 (PCIe Gen PCI Slot x 3 30423052 B-Key x 1 Mini PCIe Slot x 1