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Mellanox MCX4121A-XCAT ConnectX-4 Lx EN Network Adapter 10GbE dual-port SFP28 PCIe3.0 x8

**Mellanox MCX4121A-XCAT ConnectX-4 Lx EN Network Adapter**: A high-performance dual-port 10GbE SFP28 PCIe3.0 x8 adapter designed for data centers and enterprise networks. Key features include ultra-low latency, 20Gbps aggregate throughput, hardware offloads (RDMA/RoCE, NVMe over Fabrics), and PCIe Gen3 x8 bandwidth. Benefits: Accelerates cloud, storage, and AI workloads, reduces CPU overhead via offloading, and supports flexible SFP28/SFP+ transceivers. USP: Combines Mellanox’s proven reliability with advanced virtualization (SR-IOV) and energy efficiency, ideal for scalable, high-density environments demanding seamless 10/25G connectivity.

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Brand

Mellanox

Products Status

New

Application

Server

Part Number

MCX4121A-XCAT

Host Interface

PCIe 3.0 x8

Quantity of Ethernet LAN Ports (RJ-45/SFP/SFP+)

2-Ports

Type of Expansion Slots

SFP28

Wireless Data Rate

25 Gbit/s

Product Line

ConnectX-4 Lx

Media Standard

Optical Fiber

Product Type

25 Gigabit Ethernet Card

Assembly Required

Yes

Eco Friendly

Yes

Technology Standard

25GBase-X

Quantity of Total Networks Ports

2

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