4 * NGFF Key-M NVMe Slot To PCI Express PCl-E 16X

Does Dell Optiplex 5060's slot has PCIe x4 speed? nvme 4 0 in 3 0 slot and USB ; all these standards are backward compatible A Samsung 980 PRO PCIe NVMe SSD with 1 TB of storage capacity nvme vs m2 slot if you want an card for that old motherboard just get that pcie4 one who cares it just works at max speed and for some models of 5x vs 4x depending on where

nvme and m2 slot difference You're referring to NVME based M2 SSDs, correct? But yes if the SSD is PCIE spec then of course the speed will be less when used on PCIE