Mellanox MCX4121A-ACAT

Telefy Mellanox MCX4121A-ACAT is a high-performance 25 Gigabit Ethernet network interface card from the renowned ConnectX-4 Lx EN series. It is designed to deliver outstanding performance, low latency, and efficient hardware offload capabilities across a wide range of enterprise, cloud, and telecom applications. At Telefly, a trusted supplier from China, we offer original Mellanox MCX4121A-ACAT ACUT X cards with competitive wholesale prices, flexible discount policies, updated pricelist options, and multi-years warranty service for global buyers.

As global demand for high-bandwidth, low-latency networking continues to grow, the Mellanox MCX4121A-ACAT ACUT X offers an ideal upgrade path from traditional 10GbE networks to faster 25GbE infrastructure. This adapter provides dual SFP28 ports, each capable of delivering 25Gb per second throughput, ensuring a total aggregate bandwidth of 50Gbps. With a PCIe Gen3 x8 interface, it ensures seamless integration into modern server architectures while supporting technologies such as RDMA over Converged Ethernet (RoCE v2), iWARP, SR-IOV, VXLAN, and NVGRE.

The Mellanox MCX4121A-ACAT or ACUT X supports hardware acceleration for virtualized environments, enabling efficient offloading for networking, storage, and security workloads. It reduces CPU overhead, enhances packet processing performance, and supports key functions like GPUDirect, NVMe over Fabrics, and secure boot. This makes it especially suitable for cloud service providers, data centers, HPC clusters, AI workloads, enterprise IT networks, and software-defined storage systems.

Telefly, as a leading China-based supplier of server and network hardware, provides genuine Mellanox products to clients around the world. Whether you're looking to buy a single piece for testing or procure large quantities for system integration, we offer flexible wholesale and discount terms. Our updated pricelist supports both bulk orders and small MOQ requests. With fast global shipping, professional technical support, and 1 to 3 years warranty coverage, we ensure you get the most reliable solution with complete peace of mind.

Typical industries that benefit from the MCX4121A-ACAT ACUT X include telecommunications, cloud computing, AI research, financial trading systems, university labs, government IT, and internet service providers. Its compatibility with major server platforms such as Dell, HPE, Supermicro, Inspur, and Lenovo ensures smooth deployment. Supported operating systems include major Linux distributions, VMware ESXi, and Windows Server.

Telefly not only supplies high-quality network adapters like the Mellanox MCX4121A-ACAT ACUT X, but also offers value-added services such as OEM labeling, custom packaging, technical consultation, and logistics handling. With over a decade of experience in international trade and IT hardware exports, we have served customers in North America, Europe, Russia, the Middle East, and Southeast Asia.

If you are looking for reliable China suppliers of Mellanox network cards, contact Telefly now to receive the latest pricelist, bulk buy discounts, and warranty policy. Our technical team can also help you confirm compatibility, choose the right model for your application, and support you through every stage of procurement and deployment.

Choose Telefly to buy original Mellanox MCX4121A-ACAT ACUT X network interface cards from China. We are your trusted supplier for wholesale pricing, global delivery, and guaranteed years warranty. Reach out today to get a quote and start your high-speed network transformation.