roce for overlay networks connectx 6 en adapter card

{"cid":"91224401","title":"MCX631432AN-ADAB Adapter Card 25GbE Dual-ported SFP56 Network Interface Card with PCIe 4.0 x8 and RoCE for Overlay Networks","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/2f\/affa254d6e469a0339a6c4f1f394-200x200-1.jpg","attrs":{"Price":"$600-1000 \/ piece","Brand Name":"Mellanox","Model Number":"MCX631432AN-ADAB","Minimum Order Quantity":"1 pieces","Place of Origin":"Beijing, China","Payment Terms":"L\/C,D\/P,D\/A,T\/T,Western Union,MoneyGram","Packaging Details":"box","Data rate:":"25GbE Ethernet Network Card","transmission rate":"25GbE","interface type":"PCIe","Transmission Rate":"1\/10\/25GbE","Port":"2","Warranty":"1 year"}}

{"cid":"91217105","title":"MCX512A-ACAT Mellanox Connectx 5 Dual Port 10 25gbe Sfp28 EN Adapter Card PCIe 3.0 X8","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/2e\/e17c92ad30ff5127b651d369b15b-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Mellanox","Model Number":"MCX512A-ACAT","Minimum Order Quantity":"1pcs","Delivery Time":"Based on inventory","Payment Terms":"T\/T","Packaging Details":"outer box","Supply Ability":"Supply by project\/batch","Application":"Server","Interface Type:":"network","Ports":"Dual","Max Speed":"25GbE","Connector Type":"SFP28","Type":"wired","Condition":"new and original","model":"MCX512A-ACAT","name":"Mellanox Network Card MCX512A-ACAT ConnectX-5 EN Adapter Card 10\/25GbE Dual-Port SFP28 PCIe 3.0 x8","keyword":"Mellanox Network Card"}}