Mellanox ConnectX-4 EN MCX416A-BCAT network interface card, 40/56GbE dual-port QSFP28, PCIe3.0 x16, tall bracket Full & half-height/low-profile bracket included. PCIe x16 slot required 2x 40 / 56 GbE QSFP28/QSFP+ ports Data rate: 1/10/25/40/56GbE. NVIDIA SKU: 900-9X4AC-0054-ST1 Supports RDMA & RDMA over Converged Ethernet (RoCE). Mellanox CX416A with full and half height bracket in original Mellanox box. Additional information : This item does not come with any software or software support. We carry DELL desktop systems, servers and storage solutions as well as DELL parts and accessories. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Interface/Add-On Cards\Network Cards". The seller is "scsistuff_llc" and is located in this country: US. This item can be shipped to United States.