Mellanox ConnectX-6 100Gb QSFP56 Dual-Port Low Profile NIC
Best high-speed networking solution for demanding enterprise data centers.
This Mellanox ConnectX-6 Network Interface Card delivers powerful 100Gb dual-port connectivity, ideal for demanding data center and enterprise environments. It utilizes QSFP56 connectors and features a space-saving Low Profile form factor, ensuring compatibility with various server chassis. ETB Technologies backs this high-performance hardware with a commitment to excellent value, including a price match promise in the UK and a minimum 1-year warranty on most items, ensuring reliable, fast networking solutions.
$865.00
More ConnectX Options
Owner Satisfaction
4.8
/ 5
Category Rank
3
/ 961
#3 in Network Cards & Adapters
Price vs Category Average
-14%
Below average
Model
6
/ ConnectX-
Who it's for
- Data scientists and researchers running intensive AI or HPC workloads
- System architects needing to minimize CPU overhead for high-speed networking
- IT managers optimizing space in dense 1U server environments
Who should skip it
- Small teams lacking the budget for high-end 100GbE infrastructure
- Administrators managing servers with limited power and cooling capacity
- Budget-conscious buyers seeking standard networking solutions
Performance breakdown
Data Throughput
Dual 100Gb ports provide massive bandwidth for intensive enterprise workloads.
Latency Performance
Ultra-low latency ensures rapid data transmission for time-sensitive network applications.
Chassis Compatibility
Low profile design fits seamlessly into compact, space-constrained server environments.
Connectivity Versatility
QSFP56 interface offers broad flexibility for modern high-speed fiber deployments.
Hardware Reliability
Engineered for consistent, heavy-duty operation in demanding data center conditions.
Scalability Potential
High-density port configuration supports future-proof growth for expanding network infrastructures.
Key Specs
Model
ConnectX-6
Ports
Dual-Port
Speed
100Gb
Connector Type
QSFP56
Form Factor
Low Profile
Number of Ports
2
Optical Transceiver Type
QSFP56
Features
- Provides dual 100Gb high-speed connectivity
- Features versatile QSFP56 port technology
- Designed with a space-saving Low Profile chassis
- Supports high-throughput data transfer rates
- Ensures robust network performance
- Model CX623106A for specific compatibility
What customers say
Users consistently praise the Mellanox ConnectX-6 for its industry leading throughput and exceptionally low latency, making it foundational for demanding workloads like AI and high frequency trading. The dual port 100Gb capability offers excellent density and reliability in enterprise data centers. Reviewers value the stability under heavy load and the advanced offload features that conserve CPU cycles. The primary considerations are the premium price, restricting it to mission critical uses, and the steep learning curve for initial setup and driver management. Overall, this is a top tier product delivering unparalleled performance for experts who can fully leverage its robust feature set.
Know before you buy
Yes, the ConnectX-6 features a low-profile form factor, making it compatible with both low-profile and standard-height server chassis when the appropriate bracket is used.
Yes, you will need to use QSFP56-compatible cables, such as Direct Attach Copper (DAC) or active optical cables, to support the 100Gb throughput per port.
The ConnectX-6 is designed for high-speed PCIe Gen4 slots to fully utilize its 100Gb bandwidth. While it may be backward compatible with older PCIe generations, you will likely experience significant performance bottlenecks in those slots.
Absolutely. The ConnectX-6 is engineered for high-throughput data center tasks, including virtualization, and supports advanced offloading features that help reduce CPU overhead in dense cloud environments.
Yes, the dual-port design supports standard networking configurations like link aggregation (LACP) for increased bandwidth or failover redundancy to ensure your network connection remains stable if one link fails.
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