the Ql41134 4-port And Ql41132 2-port 10gbase-t Ethernet Adapters Are An Advanced 10 Gb Ethernet Adapters From Marvell Which Feature Universal Remote Direct Memory Access (rdma) To Offer Concurrent Support For Roce, Roce V2, And Iwarp. The Adapters Are Suitable For Customers Wishing To Use Advanced Technologies While Still Maintaining Their Investment In Rj45 Copper Wiring.