Mellanox MCX512A-Acut 10/25gbe Pcie 3.0 X 8 Dual-Port SFP28 SFP28 Network Adapter
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Product Highlights
- High Performance Connectivity: Dual-port 10/25GbE with 750ns delay and 200M Mpps throughput.
- Advanced Acceleration Features: Hardware T10-DIF, NVMe over Fabric offload, and Open vSwitch support.
- Low Power Consumption: Typical power under 15W with passive cooling design.
- Broad OS Compatibility: Supports Linux, Windows, VMware, and FreeBSD operating systems.
- Flexible Interface Support: Dual SFP28/SFP+/SFP interfaces compatible with single/multi-mode fiber.
- Industry Standard Compliance: Meets RoHS standards and supports ODCC compatibility.
- Comprehensive Warranty: 36-month warranty coverage for all mechanical defects.
- Cost-Effective Solutions: 100% original products with competitive pricing and bulk purchasing benefits.
Product Attributes
- Customization
- Available
- Type
- Wired
- Bandwidth
- 25gbps
- Model NO.
- MCX512A-ACUT
- Interface
- PCI Express
- Transmission Rate
- 25/10/1GB/S
- Application
- Server
- Connecting Medium
- Support Single Mode/Multimode Fiber
- Motherboard Integrated
- Separate Network Card
- Frequency Range
- -
- Type of Network
- 10-Gigabit Ethernet
- Field
- Server
- Network Interface
- Qsfp28 Optical Module Interface (Hot Plug Support)
- Chip
- Mellanox Connectx-5 Asic
- Power Consumption
- 0-15W (Typical), Max. 25W
- Measure
- Half Height (Low Profile, with Full Height Baffle
- Transport Package
- Paper Box
- Specification
- Original specification
- Origin
- China
Product Images of Mellanox MCX512A-Acut 10/25gbe Pcie 3.0 X 8 Dual-Port SFP28 SFP28 Network Adapter
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Product Description



Type | Dual-port fiber optic NIC, based on Mellanox ConnectX-5 EN architecture12 |
Bandwidth | Single port 25Gbps, dual-port aggregation 50Gbps15 |
Speed | Multi-rate adaptive for 25GbE/10GbE/1GbE23 |
Interface | Dual SFP28/SFP+/SFP optical module interfaces, PCIe 3.0 x8 bus23 |
Media | Single-mode/multi-mode fiber (depending on module), compatible with SFP28 DAC/AOC cables18 |
Network | 10/25GbE (IEEE 802.3by/ae), supports RDMA/RoCE protocols23 |
Application | Data centers, HPC, cloud computing, storage networks15 |
Features | Hardware congestion control, atomic operations, jumbo frames (9.6KB), virtualization (SR-IOV)25 |
Bus | PCIe 3.0 x8 slot, backward compatible with Gen225 |
Dimensions | Standard full-height PCIe card (approx. 142×69mm)8 |
Power | Typical power <15W, passive cooling58 |
OS | Linux (RHEL/CentOS), Windows, VMware, FreeBSD58 |

Adaptive routing for reliable transmission
Burst buffer unloading for background checkpoints
NVMe over Fabric uninstall
Embedded PCIe
Enhanced vSwitch/vRouter uninstallation
Flexible pipeline
RoCE covering network
PCIe Gen 4.0 support
Meet RoHS standards
ODCC compatibilityProduct features:
Label Matching and Assembly Point Unloading
Adaptive routing for reliable transmission
Burst buffer unloading for background checkpoints
NVMe over Fabric uninstall
Embedded PCIe
Enhanced vSwitch/vRouter uninstallation
Flexible pipeline
RoCE covering network
PCIe Gen 4.0 support
Meet RoHS standards
ODCC compatibility

Design of Innovative Rack for Storage and Machine Learning Based on Host Chain Technology
It is suitable for intelligent interconnection of x86, Power, Arm and GPU-based computing and storage platforms.
Advanced storage features, including NVMe over Fabric offload.
Intelligent network adapter supporting flexible pipeline programmability
Cutting-edge performance of virtualized networks, including network function virtualization (NFV)
Efficient I/O consolidation to reduce data center cost and complexity.


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
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Why choose this supplier?
- Our team has over 10 years of experience in AI server accessories and high-speed network solutions, offering optimized solutions, stable supply chains, and 24/7 after-sales support.
- 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.
- Which payment methods and currencies are accepted?
- We accept bank transfers (online or counter) to our corporate account. Both RMB and USD are supported, with order numbers required for verification.
Send your message to this supplier
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