There are not enough PCI-E lanes to support multiple class 50 devices. This model does not have PCI-E Bifurcation.  
Hi Can anyone explain this? 10th generation intel processor does not support Dual PCIe NVMe M.2 SSD. Please select Single PCIe NVMe M.2 SSD in Additional M.2 NVMe SSD before making a selection in Dell Ultra Speed Drive. Thanks in Advance  
10th Generation Intel Processor does not support Dual PCIe NVMe M.2 SSD. Please 
select Single PCIe NVMe M.2 SSD in Additional M.