Mellanox CX4121C 25GB PCIe x8 Dual Port Adapter Card Low Profile. The item "Genuine Mellanox CX4121C 25GB PCIe x8 Dual Port Adapter Card Dell 20NJD" is in sale since Tuesday, July 14, 2020. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Interface/Add-On Cards\Network Cards". The seller is "default-bios" and is located in Marlin, Texas. This item can be shipped to United States.