ORICO NVME to PCI-E X16 Expansion Card

Will PCIe x1 x4 cards work in x16 slot? pcie x16 expansion slot Supported expansion board 1 PCIe FlexibleLOM HL, FH FlexibleLOM x16 x8 16, 8, 4, 1 Four-port 1 GB NIC card SSD enablement board 2 PCIe pcie slot meaning Card capacity and size Mac Pro has seven PCIe slots that accept many different types of PCIe cards: Slot 1: gen 4, up to x16

pciex1 slot Expansion Slots: 1 PCIe x16 + 2 PCIe x1 CIRCUIT MODULE, Riser for ISMB Support 1 PCIex16 slot; Support ATX, Micro-ATA platform 1U PCIex 16 Riser