Nvidia Mellanox Connectx-6 Lx En MCX631102as-Adat Dual-Port 25gbe SFP28 Fiber Network Adapter, Low Latency & High Throughput
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Product Highlights
- High Performance Connectivity: Dual-port 25GbE SFP28 with 50Gb/s aggregate bandwidth and PCIe 4.0 x8 interface.
- Low Latency & High Throughput: Powered by ConnectX-6 Lx En technology for accelerated cloud and data center payloads.
- OCP 3.0 Certified Design: Short Form Factor (SFF) compatible with standard servers and OCP 3.0 standards.
- Advanced Protocol Support: Supports RoCEv2, TCP/IP, iSCSI, FCoE, and VXLAN for diverse networking needs.
- Comprehensive OS Compatibility: Compatible with Windows Server, Linux (RHEL, Ubuntu), FreeBSD, VMware, and Hyper-V.
- Secure Boot & Encryption: Features Hardware Trust Root, Security Firmware Update, and IPsec acceleration.
- Energy Efficient Operation: Typical power consumption of 12W at full load and 5W in standby mode.
- Extended Warranty Coverage: 36-month warranty provided for all products with professional technical support.
Product Attributes
- Customization
- Available
- Type
- Wired
- Bandwidth
- 50g
- Model NO.
- MCX631102AS-ADAT
- Interface
- PCI Express
- Transmission Rate
- 1/10/25gbe
- Application
- Server
- Connecting Medium
- Optical Fibre
- Motherboard Integrated
- Separate Network Card
- Frequency Range
- -
- Type of Network
- 10-Gigabit Ethernet
- Field
- Server
- RoHS
- Support
- Roce
- Support
- Chip Type
- Connectx-6 Lx En
- Hardware Interface
- Pcie 4.0 X8
- Transport Package
- Carton
- Specification
- Original specification
- Trademark
- Mellanox
- Origin
- China
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description



Model and brand | MCX631102AS-ADAT |
product line | NVIDIA ConnectX-6 Lx EN SmartNIC |
Network standard | OCP3.0 Certified, Ethernet Protocol Support |
transmission speed | Dual-Port 25GbE (Single-Port up to 25Gb/s, Aggregate Bandwidth 50Gb/s) |
Port configuration | 2× SFP28 Fiber-Optic Ports (SR/LR Modules Compatible) |
interface type | PCIe 4.0 x8 (Backward-Compatible with PCIe 3.0) |
Encryption function | No Hardware Encryption |
Management function | NVIDIA UFM® Management Platform, Host Channel Adapter (HCA) |
Physical design | OCP3.0 Short Form Factor (SFF), Compatible with Standard Servers |
Application scenario | Data Center Networking, AI/ML Training Clusters, NVMe over Fabrics Storage |
compatibility | VMware ESXi, KVM, Microsoft Hyper-V Virtualization Support |
Operating system support | Windows Server 2019/2022, Linux (RHEL, Ubuntu), FreeBSD |
Protocol support | RoCEv2, TCP/IP, iSCSI, FCoE, VXLAN |
product certification | RoHS, CE, FCC, UL Certification |
power consumption | Typical Power: 12W (Full Load), Standby Power: 5W |
measure | Dimensions: 167mm (L) × 69mm (W) × 19mm (H) |
temperature range | Operating Temp: 0°C ~ 55°C, Storage Temp: -40°C ~ 85°C |
Support 1/10/25Gb/s Ethernet
PCIe encapsulation
PCIe Gen 4.0 x8 host interface
Secure boot version without encryption tape
Line-rate message rate 75Mpps
Advanced RoCE
ASAP2-Accelerate switching and packet processing
IPsec online encryption acceleration
Superposition tunnel acceleration
Stateful rule checking for connection tracking
Hardware Trust Root and Security Firmware Update
First-class PTP performance
ODCC compatibility
Enterprise data center
Cloud Native, Web 2.0, Hyperscale
Safe infrastructure
Telecommunication and network function virtualization (NFV)
providesprofessional solutions for high-speed Internet access products and smarttelecommunications products.
others. Guided byour clients'demands, we also provide solutions for Brocade FC SAN,Nvidia InfiniBand and high-speed Ethernet.
With 16 years of experience in the industry and five years of export histo-ry, we value the client-centered principle and
sincerely serve every do-mestic and international client.





Our team has over 10 years of experience in AI server accessories and high-speed network solutions (FC SAN/InfiniBand/Ethernet), with deep industry expertise to deliver optimized solutions for various scenarios.
We maintain a stable supply chain with long-term partnerships with top manufacturers, ensuring sufficient stock and reliable lead times. We provide one-stop services including product selection, solution design and 24/7 after-sales support.
Benefiting from bulk purchasing, we offer highly cost-effective 100% original products at competitive prices.
2. Is the product brand new?
All products are 100% original and new. Official warranty is provided for authorized brands, and self-developed products pass strict quality inspection. Official verification is supported.
3. How long after payment will the goods be dispatched?
In-stock orders: Ship within 1–3 working days after payment confirmation; urgent orders are prioritized.
Out-of-stock/custom orders: Lead time depends on inventory or production, confirmed by customer service.
Delivery may be delayed during holidays. Please check with us before ordering.
4. Is customization acceptable? What is the MOQ?
Customization available for self-developed network cards, optical modules and high-speed cables.
MOQ: 50 pieces for basic customization; ≥200 pieces for complex specifications.
Authorized products only support original standard models, no customization.
Contact customer service for details.
5. Which payment methods and currencies are accepted?
We accept bank transfers (online or counter) to our corporate account.
Order number must be noted for payment verification.
Both RMB and USD are supported.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI246786". Items marked "" are certified.
Company Profile
Beijing Hengzheng Tongchuang Technology Co., Ltd., founded in Beijing in 2009, is a senior provider in data communication and information security. With 16 years of experience, it serves government agencies, enterprises and multinationals, boasting a good reputation under the principle of "Quality First, Service Supreme".
Its main business covers R&D, production and sales of data communication hardware (network cards: Gigabit to 400G; Optical modules: 10G SFP+ to 800G QSFP-DD; High-speed cables: 400G transmission within 100m, 40% cost-saving vs traditional optical fibers; Switches: Industrial (IEC 61850 certified) and data center models, plus accessories), related technical support and information security solutions, with businesses in finance, energy, intelligent manufacturing and the Internet.
Its over 50-people professional team (core members with average 12+ years of experience) includes hardware R&D (LED by senior engineers from renowned tech firms, offering customized services), technical support and sales. It provides 7× 24 global response for support services.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- East half floor, 2nd floor, Office Building, Long Xiang Zhi Ban Group, Huilongguan, Changping District, Beijing
-
Plant Area
- 452 square meters
-
Number of Employees
- 13
-
Registered Capital
- 11,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Beijing Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
-
Main Products
- Switches, Fiber optic cards, Network cards, Array cards, Optical modules, High-speed cables, Servers, Storage, Hard drives, GPUs
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2009-08-20
-
Export Year
- 4 Years
-
Main Markets
- Europe, Southeast Asia/ Mideast, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Why choose us?
- Our team has over 10 years of experience in AI server accessories and high-speed network solutions, offering optimized solutions, stable supply chains, one-stop services, and cost-effective 100% original products.
- Is the product brand new?
- All products are 100% original and new. Official warranty is provided for authorized brands, and self-developed products pass strict quality inspection with official verification support.
- Which payment methods and currencies are accepted?
- We accept bank transfers (online or counter) to our corporate account. Both RMB and USD are supported, and the order number must be noted for payment verification.
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US$150.00 / Piece
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