1. High performance board for applications requiring high bandwidth, low latency, and high message rate 2. Industry leading throughput and latency of Web 2.0, cloud and big data applications 3. Intelligent interconnection of computing and storage platforms based on GPU 4. performance in virtual overlay networks 5. Efficient I/O consolidation to reduce data center cost and complexity. Specifications: Application network: servers and storage devices Main chipset: Mellanox ConnectX-4 Bus type: PCIe Base 3.0, X8 link rate 8.0GT/s Transmission interface: 2 x 25G SFP+optical fiber LC Transmission rate: 1G/10G/25 Gb/s Network topology: IEEE Std 802.3ae 10 Gb Ethernet IEEE Std 802.3ba 40 Gb Ethernet IEEE Std 802.3ad link aggregation IEEE Std 802.3az energy-efficient Ethernet IEEE Std 802.1Q/. 1P VLAN tag and priority IEEE Std 802.1Qau congestion notification IEEE Std 802.1Qbg IEEE P802.1Qaz D0.2 IEEE P802.1Qbb D1.0 Priority based flow control IEEE 1588v2 Jumbo frame support (9600B) Functional features: PCI host interface specification v3.0 x8 and full PCIe 2.0 and 1.1 One or two 25 Gb SFP+Ethernet ports 1/10/25 Gb/s speed Single port and dual port Virtualization Low latency RDMA in converged Ethernet (RoCE) Multi host technology connects up to 4 hosts CPU unloading of transportation business Application uninstallation Peer to peer direct communication acceleration Material: PCB+Metal colour: black+green Package Contents: 1 x PCIe X8 ConnectX-4 dual port 25G SFP+optical network card 1 x Half height baffle 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.