Qyrugcxs Features: PCI-Express Host Interface Specification v3.0 x8 and full PCIe2.0 and 1.1, Two 10Gb SFP+ Ethernet ports, 1/10 Gb/s speed, Single and dual port Virtualization, Low latency RDMA over Converged Ethernet (RoCE), Multi-host technology connects up to 4 hosts CPU offload for operations, App uninstall, Peer-to-peer direct communication acceleration Hardware offload of NVGRE, VXLAN and encapsulated traffic, End-to-end and congestion control, Hardware-based I/O virtualization Compliant with Rochs standard, ODCC compliant, Various form factors available. Material: PC colour: as shown Package Contents: 1 x Pcie X8 X-4 Dual-Port 25g Network Card 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.