CP074-1_4 x NVMe SSD to PCIe x16 Mobile Rack

Will PCIe x1 x4 cards work in x16 slot? pcie x16 expansion slot PCIe x16 slot, but expose two additional x8 slots One of the smaller slots should accept the HBA, while the other one pciex4 slot Concept Product CP074-1 4 x NVMe SSD to PCIe x16 Mobile Rack for PCIe Expansion Slot with Blower Fan and Aluminum Heatsink

pcie slot dimensions 20mm Spaced Slots:The 20mm slot spacing allows for easy installation and compatibility with PCIE extension cable adapters Computer Expansion SlotU 2 PciePCIe