Mellanox MCX621102AN-ADAT
The Mellanox MCX621102AN-ADAT is a high-performance dual-port 25GbE network adapter from the ConnectX-6 Dx EN series. Designed for next-generation enterprise, cloud, and storage applications, this card delivers exceptional performance, advanced offload capabilities, and efficient data handling. Featuring a PCIe 4.0 x8 interface, dual SFP28 ports, and No-Crypto variant for environments not requiring hardware security offloads, this NIC is ideal for high-throughput, low-latency deployments.
Key Features of Mellanox MCX621102AN-ADAT
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25GbE Dual-Port SFP28
High-speed dual SFP28 connectivity offering 25 Gigabit Ethernet per port, enabling up to 50Gbps aggregate throughput. -
PCIe Gen 4.0 x8 Interface
Utilizes the latest PCI Express Gen 4.0 technology for faster data movement and reduced bottlenecks. -
ConnectX-6 Dx Silicon
Based on Mellanox’s advanced network controller offering enhanced performance, virtualization, and storage acceleration. -
No Crypto Variant
Streamlined version without onboard IPsec or TLS crypto acceleration—ideal for environments where security is managed externally. -
Full Height (Tall) Bracket
Standard form factor for compatibility with a wide range of server chassis.
Technical Specifications Mellanox MCX621102AN-ADAT
| Specification | Details |
|---|---|
| Product | ConnectX-6 Dx EN Adapter Card |
| Model Number | MCX621102AN-ADAT |
| Controller | Mellanox ConnectX-6 Dx |
| Network Speed | 25GbE per port (50Gbps total) |
| Ports | 2x SFP28 |
| Interface | PCI Express Gen 4.0 x8 |
| Form Factor | Add-in Card (Tall Bracket) |
| Security Features | No Crypto Acceleration |
| Supported Protocols | Ethernet, RoCE v2, SR-IOV, NVMe-oF |
| Virtualization Support | SR-IOV, VirtIO, VxLAN, NVGRE Offloads |
| Operating Systems | Linux, Windows, VMware ESXi |
Performance and Acceleration
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High Throughput & Low Latency
Designed for demanding environments where consistent 25GbE performance is needed across multiple workloads. -
Efficient CPU Offloading
Features intelligent offloads for RDMA, overlay networks (VXLAN, NVGRE), and virtualization technologies to reduce CPU load. -
Storage-Optimized
Ideal for NVMe over Fabrics (NVMe-oF) deployments in modern storage architectures. -
Scalable Virtualization
Supports SR-IOV and VirtIO for highly virtualized cloud and enterprise infrastructure.
Benefits of Mellanox MCX621102AN-ADAT
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Ideal for Secure or Controlled Environments
No-Crypto model is perfect for deployments where encryption is handled by software or external appliances. -
Improved I/O Efficiency
Perfect for data centers, storage servers, and high-performance network applications requiring balanced performance. -
Modern IaaS/Cloud Compatibility
Plug-and-play compatibility with major cloud infrastructure platforms. -
Flexible Networking
Supports both mainstream and advanced data center networking protocols and topologies.
Mellanox MCX621102AN-ADAT Use Case Scenarios
• Enterprise & Hyperscale Data Centers
Boost server I/O and application performance with reliable, low-latency 25GbE networking.
• High-Speed Storage Fabrics
Enable efficient, high-speed access to NVMe drives across fabrics using NVMe-oF over RoCE.
• Virtualization & Cloud Infrastructure
Enhance VM density and network throughput in virtualized platforms with SR-IOV and overlay offload support.
• Security-Controlled Deployments
Deploy in environments that require strict control over cryptographic functions, like air-gapped or compliance-regulated systems.
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