PCI-E 20 Slot 4U System

What is PCIe ? pcie slot size There are five standard sizes for PCIe cards and two sizes of mini PCIe In addition, some larger PCIe slots can accommodate more than one pcie2 slot Verilux® NVME Adapter PCIe x16 with Gel Pad, NVME or AHCI SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8

pcie 20 x16 slot PCIe x1: These are the smallest PCIe slots, used for almost any other cards like average network adapters and USB expansion cards · PCIe x4: