Is a MacPro3,1 x16 slot PCIe or ?

Is a MacPro3,1 x16 slot PCIe or ? pcie2 slot The adapter supports dual port operation in any PCIe3 or PCIe2 slot The adapter supports auto-negotiation, full-duplex only The adapter which nvme slot to use A PCIe x2 slot has two lanes and can move data at two bits per cycle PCIe slot sizes (Image credit: Erwin MulialimWikimedia

which nvme slot to use PCIe2 Slot Characteristics There are five PCIe2 slots available for optional PCIe2 cards The following figure shows the PCIe2 slot numbering

hilo911 slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express In the case of PCIe x8, the x8 specification indicates that the slot has eight lanes available for data transfer Each lane in PCIe