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NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter

NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter

Brand: NVIDIA | Category: Network Adapters & NICs

SKU: MCX631432AS-ADAB | Part #: MCX631432AS-ADAB | MPN: MCX631432AS-ADAB

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About the NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter

The NVIDIA ConnectX-6 Lx is a single-socket, dual-port 25 Gigabit Ethernet network adapter designed for OCP 3.0 compliant server form factors. It delivers line-rate performance across both ports simultaneously, enabling efficient high-speed interconnect in virtualized and containerized environments. The adapter supports NVIDIA ASAP² technology for advanced packet processing and offloading capabilities.

Architecturally optimized for cloud-scale deployments, the ConnectX-6 Lx integrates memory-efficient switching, traffic management, and security features within a compact OCP 3.0 mezzanine footprint. Native support for RoCE v2, standard Ethernet, and VXLAN offloading reduces CPU overhead and latency in converged infrastructure.

Targeted at hyperscale cloud operators and enterprise data centers requiring cost-effective multi-tenant networking, the adapter balances 25GbE performance with operational simplicity in high-density server deployments.

Ideal for

  • Cloud provider virtual machine interconnect and tenant isolation in multi-tenant environments
  • High-performance computing cluster node-to-node communication with RDMA over Converged Ethernet
  • Data center spine-leaf fabric aggregation and east-west traffic management
  • Container orchestration platforms requiring sub-microsecond latency networking
  • Enterprise rack-scale storage area network acceleration and iSER protocol offload
  • Real-time analytics and streaming data pipeline ingestion at line rate

Technical specifications

ManufacturerNVIDIA
ModelConnectX-6 Lx
Part NumberMCX631432AS-ADAB
Form FactorOCP 3.0 Mezzanine
Port Count2
Port TypeSFP28
Port Speed25 Gbps per port
Maximum Throughput50 Gbps aggregate
Protocols SupportedEthernet, RoCE v2, VXLAN, iSER, iWARP
PCIe GenerationPCIe 4.0
Memory512 MB DDR4 on-card
Power Consumption7.5 W typical
Operating Temperature0°C to 55°C
MTBF2.5 million hours
Supported VirtualizationKVM, Hyper-V, VMware ESXi, Xen
Management InterfaceOut-of-band Ethernet management port
Launch Timeline2021 Q2

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandNVIDIA
CategoryNetwork Adapters & NICs
SKUMCX631432AS-ADAB
Part NumberMCX631432AS-ADAB
ConditionNew
ModelConnectX-6 Lx
Form FactorOCP 3.0 Mezzanine
Port Count2
Port TypeSFP28
Port Speed25 Gbps per port
Maximum Throughput50 Gbps aggregate
Protocols SupportedEthernet, RoCE v2, VXLAN, iSER, iWARP
PCIe GenerationPCIe 4.0
Memory512 MB DDR4 on-card
Power Consumption7.5 W typical
Operating Temperature0°C to 55°C
MTBF2.5 million hours
Supported VirtualizationKVM, Hyper-V, VMware ESXi, Xen
Management InterfaceOut-of-band Ethernet management port
Launch Timeline2021 Q2

Frequently Asked Questions about NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter

What does the NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter do?

The NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.

What are the headline specs of the NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter?

Key specifications for the NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter: new condition; manufacturer NVIDIA; model ConnectX-6 Lx; part number MCX631432AS-ADAB; form factor OCP 3.0 Mezzanine; port count 2; port type SFP28. Manufacturer part number MCX631432AS-ADAB. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter compatible with my infrastructure?

The NVIDIA ConnectX-6 Lx 25GbE Dual-Port SFP28 OCP 3.0 Adapter interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.