020NJD DELL MELLANOX CX4121C ConnectX-4 Lx Dual Port 25GbE SFP28 Network Adapter. We are here 24/7, should you need any help. At our company we strive for quality in all things, so let us help you find the equipment that is right for you and your needs. Our staff is committed to serving you by offering quality products at affordable prices with fast and efficient services.Sign up to our newsletter for special deals. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Interface/Add-On Cards\Network Cards". The seller is "cloud_storage_corp" and is located in this country: US. This item can be shipped to United States.