Pcie Lanes Connectx-3 NIC question

While PCIe is compatible with older generation cards, the older cards will not be able to access the full bandwidth of PCIe As an

Yes, the PCIe cards can indeed be installed in PCIe slots and vis-a-vis as the PCI interface is designed as forward and backwards-compatible However,

pcie slot size 2 slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade When combined with an NVMe SSD, PCIe will result in

pcie2 slot Thus, a PCI Express x16 slot offers a maximum theoretical bandwidth of 8 GiBs, while a PCI Express x16 slot reaches 16 GiBs [amazon box