Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Mellanox MCX4121A-ACAT-HIGH ConnectX-4 Lx EN 2 x Ports SFP28 25Gb/s PCI-Express 3.0 x8 High-Profile ...
- 2 x SFP28 ports
- 25Gb/s per port speed
- PCI-Express 3.0 x8 interface
- ConnectX-4 Lx EN technology
- High-profile form factor
- Suitable for data centers and HPC
- Low latency networking
MCX4121A-ACAT-HIGH isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- Network Adapter
- Interface
- PCI-Express 3.0 x8
- Ports
- 2 x SFP28
- Speed
- 25Gb/s per port
- Form Factor
- High-Profile
- Technology
- Mellanox ConnectX-4 Lx EN
Product details
The Mellanox MCX4121A-ACAT-HIGH is a ConnectX-4 Lx EN network adapter. It features two SFP28 ports supporting 25Gb/s speeds and utilizes a PCI-Express 3.0 x8 interface. This high-profile adapter is designed for high-performance computing and data center applications.
Technical Information
| Product Type | Network Adapter |
| Interface | PCI-Express 3.0 x8 |
| Ports | 2 x SFP28 |
Additional Specifications
| Speed | 25Gb/s per port |
| Form Factor | High-Profile |
| Technology | Mellanox ConnectX-4 Lx EN |
Description
The Mellanox MCX4121A-ACAT-HIGH is a high-performance network interface card (NIC) from the ConnectX-4 Lx EN family, engineered for demanding data center and high-performance computing (HPC) environments. It provides two SFP28 ports, each capable of delivering a blazing-fast 25Gb/s connection, enabling extremely high throughput for data-intensive workloads. This adapter utilizes the PCI-Express 3.0 x8 interface, ensuring ample bandwidth between the NIC and the host system. The ConnectX-4 Lx EN technology offers advanced features such as RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE) and NVMe over Fabrics (NVMe-oF) support, which significantly reduce CPU overhead and latency, crucial for applications like AI, machine learning, and big data analytics. Designed in a high-profile form factor, the MCX4121A-ACAT-HIGH is intended for installation in standard server chassis. Its combination of high port density, exceptional speed, and advanced offload capabilities makes it an ideal choice for modern cloud infrastructure, storage networks, and high-frequency trading platforms that require cutting-edge network performance.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for MCX4121A-ACAT-HIGH.
