For Intel X520-DA2 Dual Port PCIe x8 10Gb NIC Adapter w/ 1M/2M/3M DAC SFP+ Cable
PCIe2.0, x8 Lane, Dual SFP+ Ports. Color X520-10G-2S (2x SFP+ Slot)-Refurbished. Hardware Interface Ethernet. Data Link Protocol Ethernet. Full height and low profile bracket included.NOT support hot swaping！.