Is a MacPro3,1 x16 slot PCIe or ?

Is a MacPro3,1 x16 slot PCIe or ? pcie2 slot slot version, how to check motherboard PCIe version, how to check PCie version, PCie lokasi 4d slot PCIE2 is used for PCI Express x4 lane width graphics cards PCIE1 PCIE2 Ryzen Series CPUs Gen4x16 Gen3x4 Ryzen

lokasi 4d slot Slots: CPU: 1 x PCIe x16 Slot , supports modo x16* 1 x PCIe x16 Slot , supports modo x4* Chipset: 1 x PCIe x1 Slot * 1 x

hola slot The adapter supports dual port operation in any PCIe3 or PCIe2 slot The adapter supports auto-negotiation, full-duplex only The adapter 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