Telefly, as one of the leading suppliers of networking hardware in China, offers original Mellanox products including the Mellanox MCX4621A-ACAB at competitive discount rates. We supply businesses, system integrators, and resellers worldwide with flexible pricelists, fast delivery, and full years warranty for peace of mind. Whether you want to buy a sample or bulk order in volume, Telefly is your trusted partner for genuine networking components.
The Mellanox MCX4621A-ACAB, part of the ConnectX-6 Dx series by NVIDIA, is your best choice for next-generation networking infrastructure. Available now at wholesale price from Telefly, a professional China supplier, this high-end NIC delivers ultra-fast data transfer, secure hardware offloading, and enterprise-grade compatibility — ideal for cloud data centers, AI clusters, storage networks, and telecom systems.
Model: MCX4621A-ACAB (ConnectX-6 Dx)
Ports: Dual QSFP56, 100Gb Ethernet
Interface: PCIe Gen4 x16
Data Rate: Up to 200Gb/s full-duplex throughput
Protocols: RoCE v2, SR-IOV, NVMe-oF, GPUDirect, RDMA
Security: Inline TLS, IPsec, MACsec acceleration
Supported OS: Linux, Windows Server, VMware ESXi
Low latency & low CPU overhead
High compatibility: Dell, HPE, Lenovo, Supermicro, Inspur, etc.
This adapter is designed for mission-critical environments such as high-performance computing (HPC), AI/ML training clusters, hyperscale cloud infrastructure, and 5G telecom networks. With its powerful hardware acceleration and flexible connectivity, it supports fast packet processing while offloading tasks from the CPU, improving overall system efficiency and reducing latency.
As a reliable China-based supplier, Telefly focuses on providing high-quality server components and networking solutions at factory-direct prices. We stand out with:
Genuine Mellanox MCX4621A-ACAB cards with serial number verification
Flexible wholesale pricing and MOQ for small and large buyers
Always-updated pricelist to match your project requirements
Fast shipping to USA, EU, Middle East, and Southeast Asia
Custom packaging and labeling for OEM/ODM partners
Free pre-sale consultation and post-sale technical support
1–3 years warranty included with every purchase
Available stock and same-day dispatch for urgent orders
With 10+ years of experience in international trade, Telefly has built long-term relationships with customers in industries including telecom carriers, data centers, financial institutions, universities, research labs, and government IT systems. Our team speaks English, Russian, and Chinese — making communication and collaboration seamless across borders.
Telecom Providers & 5G Infrastructure
AI & Machine Learning Data Clusters
Cloud Computing & Storage Services
Financial Trading & High-Frequency Trading (HFT)
High-Performance Computing (HPC) Labs
Government & Defense IT Solutions
Enterprise Network Virtualization (SDN/NFV)
unbeatable prices.
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Wanxia Road, Nanshan District, Shenzhen, Guangdong Province, China
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