MCX4121A-XCAT

Mellanox MCX4121A-XCAT Enterprise Network Adapter delivers stable aggregate

data throughput of up to 20Gbps, designed specifically for compact servers. This

secure, high-performance low-profile adapter is optimized for demanding enterprise

virtualization and storage networking applications.

The MCX4121A-XCAT provides dual-port SFP28 connectivity, enabling high-speed

network interconnection for data center infrastructures requiring high reliability. It

offers cost-effective and reliable access to virtualization, cloud computing, and

distributed storage, allowing data center architects and IT professionals to deliver

reliable performance, rock-solid stability, and an extremely low total cost of

ownership for demanding 24/7 operations.

Powered by the ConnectX-4 Lx EN controller, the MCX4121A-XCAT supports RoCE

v1 / RoCE v2 hardware RDMA acceleration, far surpassing standard Ethernet

adapters. With advanced 128MB DDR4 on-board memory, SR-IOV (supporting up

to 256 VFs), and Multi-Host architecture, it ensures consistent low-latency

transmission performance in large-scale clusters and SDN systems.

Featuring a PCIe 3.0 x8 interface and a Low-Profile form factor (with full-height

bracket included), the MCX4121A-XCAT integrates efficiently into massive enterprise

computing systems and edge servers. Through innovative user-definable technologies

like VXLAN/NVGRE/Geneve tunnel offloading and GPUDirect, it flexibly adapts to

storage and computing needs, further reducing the total cost of ownership.

Advanced security features provide reliable protection for business data at the

network level. The MCX4121A-XCAT prevents unauthorized access and features

UEFI Secure Boot and UEFI PXE boot capabilities. Compatible with Linux, Windows

Server, VMware ESXi, and more, it fully ensures business data security and

continuous operation.