The anti-deformation baffle is made of high-strength metal material to prevent deformation and be more . Alloy heat sink, using high thermal conductivity alloy heat sink, efficient heat dissipation, so that card is always at a normal temperature, and the operation is more stable. Fully shielded 8-pin network port, gold-plated flat pins, wider connection area than round pins, and more stable transmission. Note: PCI interface is not supported Master chip: RTL8125BG Chip Bus interface: PCI-EX1 (compatible with X1/X4/X8/16) Expansion interface: RJ-45 Interface rate: 2.5Gbps Transmission rate: 100/1000/2500Mbps Compatible system: Windows/Linux/ESXi/ROS Colour:black Material:PCB+Metal Package Contents: 1 x PCI-E Network Card 1 x Low Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.