... card 2.INTEL82580EB Gigabit Chipset 3.PCIE2.0(X4/X8/X16) 4.SFP Slot,1000Base-SX/LX/ZX SFPTranceiver 5.stock ... and copper portHost InterfacePCI Express x4, compatible with x8 and x16 slotSupport PCI Express Base Specification 2.0 (5.0GHz)Features ... X 85 mmPCI ExpressInterface card typex4 lane with x8 and x16 slot compatiblePCI Express Voltage+3.3V ± 9%,+12V ± 8%ControllerIntel ...