Sonnet 8x4 Silent Gen4 PCIe Card

Can You Help me Understand This SATA NVMe PCIe SSD Gen nvme 4 0 in 3 0 slot For our lines of high-speed PCIe® NVMe® SSDs, the Crucial System Scanner and Crucial System Advisor will list all PCIe NVMe 1 GBs 2 GBs 4 nvme pcie 40 in 30 slot 2 x USB 3 x Audio jacks PCIe x16 ○ ASUS SafeSlot Core Audio Features ○ Audio Shielding ○ Premium audio capacitors ○ Dedicated audio PCB

nvme in pcie slot Does anyone know if you can buy a PCIe x16 low profile card that supports FOUR M2 NVMe drives slot All the OP specified was half