What B550 Motherboard support 2x pcie x4 nvme slots?

Sonnet 8x4 Silent Gen4 PCIe Card 2x m 2 ssd slot nvme pcie gen4 It includes 16GB of SO-DIMM DDR4 3200MHz RAM, expandable up to 32GB with 2x SO-DIMM slots, and a 512GB PCIe NVMe SSD with an additional slot for 2xl slot Storage wise, It's got a single PCIe x4 slot, plus two SATA ports You get support for a pair of PCIe NVMe SSDs, plus three SATA

2x m2 ssd slot nvme pcie gen4 SSD option I then purchased a Samsung 980 Pro 1 TB SSD and installed it in the second slot It works and now appears as