Brand: Mellanox (NVIDIA Networking) · SKU: MCX4121A-ACUT · MPN: MCX4121A-ACUT · Category: Components
The Mellanox ConnectX-4 Lx EN adapter card provides 10/25GbE connectivity for high-performance servers and storage applications. Featuring hardware-based I/O isolation, sub-microsecond latency, and 75 million packets per second message rate, it addresses virtualized infrastructure challenges. It supports RDMA over Converged Ethernet (RoCE), Ethernet stateless offload engines, and Overlay Networks (VXLAN, NVGRE, GENEVE), significantly reducing CPU overhead and improving data center efficiency.
| Ports | Dual Port SFP28 |
|---|---|
| Offloads | RoCE, VXLAN, NVGRE, GENEVE, SR-IOV |
| Data Rate | 10/25 GbE |
| Interface | PCI Express 3.0 x8 |
| Form Factor | Low-Profile PCIe |
| Protocol Support | Ethernet |
| Warranty | 1-Year Limited Warranty |
| Weight | 0.45 lbs |
| Dimensions | 5.6 x 2.7 inches |
ConnectX-4 Lx EN network controller with 10/25Gb/s Ethernet connectivity offers the most cost-effective Ethernet adapter solution for Web 2.0, Cloud, and Big Data applications. It provides high efficiency RDMA access via Mellanox PeerDirect and includes hardware-based congestion control and quality of service.
Yes, this Mellanox ConnectX-4 Lx EN Network Interface Card (MCX4121A-ACUT) is 100% genuine Mellanox (NVIDIA Networking) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Mellanox ConnectX-4 Lx EN Network Interface Card includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the MCX4121A-ACUT.