PCI-E 20 Slot 4U System

Using PCIe risers, the full height PCI slot configuration supports up to 4 full height and 2 half height PCIe cards The 9-slot PCIe half height configuration

As per Wikipedia and other sites, the dimensions of the half-length PCIe card are mm × mm But as per the specification: enter

pcie slot bracket Six of the PCIe slots are Generation4 or Generation5 and low-profile · IBM recommends that adapters that do not require

pcie4 slot Buy Turn 3x Full-Height PCIe Slots into 1x 60mm Fan Improve GPU Airflow Universal for PC Cases and 60mm Fans PCI Slot Cover Bracket