NVIDIA ConnectX-6 Lx MCX631102AN-ADAT 25/50GbE Ethernet SmartNIC OCP 3.0
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NVIDIA ConnectX-6 Lx SmartNIC MCX631102AN-ADAT | OCP 3.0 25/50GbE Ethernet Adapter with Crypto and SDN Acceleration Deliver scalable, secure, and high-performance networking for modern cloud and enterprise data centers. The ConnectX-6 Lx MCX631102AN-ADAT features OCP 3.0 small form factor, dual-port 10/25GbE or single-port 50GbE connectivity, PCIe Gen4 x8 host interface, inline IPsec encryption, and Zero-Touch RoCE — designed to reduce CPU overhead and accelerate SDN and NFV workloads in dense server deployments. Product Overview NVIDIA ConnectX-6 Lx Ethernet SmartNICs bring breakthrough efficiency to 25GbE deployments. The model MCX631102AN-ADAT is an OCP 3.0 small form factor (SFF) adapter equipped with advanced ASAP2 acceleration, hardware root-of-trust, and full support for RoCE (RDMA over Converged Ethernet). The OCP 3.0 form factor enables hot-pluggable, tool-less installation in OCP-compliant servers, making it ideal for hyperscale data centers and cloud builders. Whether you are virtualizing network functions, securing east-west traffic, or building a high-frequency trading environment, this SmartNIC offloads the data plane and ensures line-rate performance at up to 75 million packets per second (Mpps). Key Features
Technology Deep Dive The ConnectX-6 Lx integrates NVIDIA ASAP2 (Accelerated Switch and Packet Processing) technology, enabling full SDN data plane offload to the SmartNIC. This dramatically reduces CPU burden in software-defined data centers while supporting both cloud (VXLAN, GENEVE) and telecom (MPLS, GTP) encapsulations. Meanwhile, Zero-Touch RoCE eliminates legacy RDMA configuration pains, allowing RoCE traffic to run on standard Ethernet fabrics without priority flow control or explicit congestion notification. Combined with inline IPsec cryptography, the adapter secures data in transit at line rate, preserving performance for encrypted east-west communications. Hardware root-of-trust further protects the supply chain, ensuring that only authenticated firmware executes during boot. Typical Deployments
Compatibility and Ecosystem NVIDIA ConnectX-6 Lx adapters are supported across major operating systems, hypervisors, and container platforms. Common validated environments include:
For detailed firmware and driver versions, refer to NVIDIA's official documentation or contact Starsurge technical support. Technical Specifications
Selection Guide – Crypto and Variants
For additional ordering codes or volume pricing, please contact Starsurge sales team. Why Choose Starsurge for NVIDIA ConnectX-6 Lx
Service and Support Hong Kong Starsurge Group provides a complete lifecycle support package: pre-sales architecture review, cross-shipment RMA options, driver and firmware advisory, and remote troubleshooting. For enterprise customers, we offer on-site integration support (depending on region) and training for SDN acceleration with ASAP2 and RoCE deployment. Frequently Asked Questions Q1: What is the difference between MCX631102AN-ADAT and
MCX631102AN-ADAB? A: Both include IPsec crypto acceleration. The ADAT uses OCP 3.0 small form factor (hot-pluggable, tool-less), while the ADAB uses PCIe low-profile form factor for standard server slots. Q2: Does this card support 50GbE on a single port? A: Yes, the dual-port adapter can be configured as one 50GbE port (using breakout cables) or two independent 25GbE or 10GbE ports. Q3: What is OCP 3.0 and why is it important? A: OCP 3.0 is an open hardware standard for network adapters, enabling hot-swappable, tool-less installation and improved serviceability in hyperscale data centers. Q4: Is Zero-Touch RoCE compatible with my existing switches? A: ZTR works on standard lossy Ethernet networks without requiring PFC or ECN, making it far easier to deploy compared to traditional RoCE. Q5: What is the typical lead time for MCX631102AN-ADAT? A: Standard lead time is 2 to 4 weeks depending on quantity. Contact Starsurge for current stock availability. Precautions and Ordering Notes
About Hong Kong Starsurge Group Co., Limited Founded in 2008, Hong Kong Starsurge Group Co., Limited is a technology-driven provider of network hardware, IT services, and system integration. Serving government, healthcare, manufacturing, education, finance, and enterprise sectors worldwide, Starsurge delivers networking switches, SmartNICs, wireless solutions, and custom software. With a customer-first approach, multilingual support, and global delivery capabilities, Starsurge helps clients build efficient, scalable, and dependable infrastructure. As a trusted partner for NVIDIA networking solutions, we combine technical expertise with responsive service. Global shipping and local support | Email: sales@starsurgegroup.com | Website: starsurgegroup.com (example) Key Facts – NVIDIA ConnectX-6 Lx MCX631102AN-ADAT 75 Mpps Line rate message rate 50Gb/s Total bandwidth PCIe 4.0 x8 Host interface IPsec inline AES-XTS 256/512-bit ZTR RoCE Zero-touch deployment OCP 3.0 Hot-pluggable SFF Compatibility Matrix (OS and Virtualization)
Buyer Checklist – Before Ordering
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