Mellanox MCX653105A-HDAT InfiniBand HDR/Ethernet Adapter Card
Best high-speed network adapter for demanding data center infrastructure.
Boost your network's performance with the Mellanox MCX653105A-HDAT ConnectX-6 Adapter Card. This refurbished card delivers exceptional 200Gb/s speeds for both InfiniBand HDR and Ethernet, making it ideal for demanding data centers. It features a single QSFP56 port and a PCIe 3.0 x16 interface for high-speed, flexible connectivity. Enjoy versatile dual-protocol support for InfiniBand and Ethernet, with automatic negotiation for various data rates. Its efficient, low-power design ensures optimal performance in high-performance computing and storage environments. This card is ready for immediate deployment.
$790.00
Owner Satisfaction
4.8
/ 5
Category Rank
3
/ 961
#3 in Network Cards & Adapters
Price vs Category Average
-21%
Below average
Interface Type
3.016
/ PCIe x
Who it's for
- HPC researchers and AI engineers needing massive data throughput
- IT architects managing hybrid InfiniBand and Ethernet network environments
- System administrators aiming to minimize CPU overhead for complex applications
Who should skip it
- Budget-conscious buyers seeking entry-level networking solutions
- Small teams lacking specialized HDR-compatible infrastructure
- Data center managers with limited power and cooling capacity
Performance breakdown
Data throughput
Blistering 200Gb/s speeds handle massive data center workloads with ease.
Protocol versatility
Seamlessly switches between InfiniBand and Ethernet for flexible network architecture.
Power efficiency
Optimized power draw keeps operational costs low under heavy sustained loads.
Interface bandwidth
PCIe 3.0 x16 provides a robust pipe for high-speed data transfers.
Deployment readiness
Refurbished hardware arrives tested and ready for immediate server integration.
Connectivity flexibility
Auto-negotiation features simplify setup across diverse high-performance computing environments.
Key Specs
Interface Type
PCIe 3.0 x16
Connector Type
Single QSFP56
Max Data Rate
200 Gb/s
Typical Power Consumption
19.3W (with passive cables)
Dimensions
6.6 In. X 2.71 In.
InfiniBand Protocol Support
IBTA V1.4, up to HDR
Ethernet Standards
Supports up to 200GBASE-SR4/CR4/KR4
Warranty
90 Days
Features
- 200Gb/s InfiniBand HDR and Ethernet speeds
- Dual-protocol support for InfiniBand and Ethernet
- Single QSFP56 port for versatile connections
- High-speed PCIe 3.0 x16 interface
- Auto-negotiation for various data rates
- Efficient low power consumption
- Refurbished for cost-effectiveness
- Ready for immediate deployment
What customers say
Users highly value the ConnectX-6 adapter card for its superior performance in demanding HPC and AI workloads. Its key strength is the seamless 200Gb/s switching capability between InfiniBand and Ethernet, providing excellent flexibility. Reports consistently highlight extremely low latency and high throughput, effectively accelerating complex applications through robust offload features. While the initial cost is significant, professionals agree the mission critical performance justifies the premium investment. A minor consideration is the deployment complexity, as integrating this advanced networking technology requires specialized knowledge for optimal setup and management.
Know before you buy
Yes, the ConnectX-6 adapter features dual-protocol support, allowing it to function in either InfiniBand HDR or Ethernet environments with automatic negotiation for data rates.
This card requires a PCIe 3.0 x16 slot to ensure full bandwidth performance. While it is physically compatible with larger slots, ensure your motherboard supports the x16 lane configuration for optimal throughput.
The single QSFP56 port is designed for high-speed wired connectivity, supporting 200Gb/s speeds. It is compatible with standard QSFP56 passive cables, which help maintain the card's low power consumption profile.
Absolutely. With its 200Gb/s throughput and low-power design, it is specifically engineered to handle the heavy data loads typical of demanding data centers, HPC clusters, and enterprise storage arrays.
The card has a typical power consumption of 19.3W when used with passive cables. It is powered directly through the PCIe slot, making it an efficient choice for high-density server configurations.
This unit has been professionally inspected and tested to ensure it meets original performance specifications. It provides a cost-effective way to integrate enterprise-grade networking hardware into your infrastructure with a 90-day warranty included.
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