4 x 4 slot ✓ What does '1 x PCIe® x16 ' mean on a motherboard

LREC9724PT is a PCIe x4 1Gbps Quad-Port Copper Sever Ethernet Adapter based on Intel I350 chipset, compatible with PCIe x8 and x16 slot 4 x 4 slot,Allows one x4, x8, or x16 slot to be expanded with up to four x1, x4, or x16 PCI Express slots; LEDs for displaying downstream and upstream PCI Express link

Concept Product CP074-1 4 x NVMe SSD to PCIe x16 Mobile Rack for PCIe Expansion Slot Product Details Product Details; Main Features 4 x 4 slot,PCIe boards can fit into slots designed for their lane configuration or higher Plugging a x4 PCIe into a x16 slot is acceptable

4 x 4 slot,x4, PCIe x8, PCIe x16, and PCIe x32 The letter “x” stands for the physical dimensions of the slot and how many lanes are in the expansion slot