Mellanox MCX354A-QCBT
The Mellanox MCX354A-QCBT ConnectX-3 VPI Adapter Card is a high-performance, dual-port 40GbE network adapter designed for modern data centers, high-performance computing (HPC), enterprise IT, and cloud environments. Supporting QSFP+ interfaces and VPI (Virtual Protocol Interconnect), this adapter card offers both InfiniBand and Ethernet functionality with excellent throughput and low latency.
Benefits
- One adapter for InfiniBand, 10/40/56 Gig Ethernet or Data Center Bridging fabrics
- World-class cluster, network, and storage performance
- Guaranteed bandwidth and low-latency services
- I/O consolidation
- Virtualization acceleration
- Power efficient
- Scales to tens-of-thousands of nodes
Key Features
- Virtual Protocol Interconnect
- 1us MPI ping latency
- Up to 56Gb/s InfiniBand or 40/56 Gigabit Ethernet per port
- Single- and Dual-Port options available
- PCI Express 3.0 (up to 8GT/s)
- CPU offload of transport operations
- Application offload
- GPU communication acceleration
- Precision Clock Synchronization
- End-to-end QoS and congestion control
- Hardware-based I/O virtualization
- Ethernet encapsulation (EoIB)
- RoHS-R6
Key Attributes
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• Dual-Port 40GbE Connectivity – Two QSFP+ ports deliver high-speed 40 Gigabit Ethernet networking.
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• VPI (Virtual Protocol Interconnect) – Supports both Ethernet and InfiniBand protocols for flexible deployments.
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• PCIe 3.0 x8 Interface (8GT/s) – Ensures fast and efficient data transfer between server and network.
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• RDMA Support – Enables Remote Direct Memory Access for low-latency, high-bandwidth performance.
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• SR-IOV Capable – Enhances virtualization and multi-tenant environments.
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• Hardware Offload Features – Reduces CPU overhead with checksum, segmentation, and other offloads.
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• Reliable Performance – Engineered for consistent high throughput and efficiency in intensive applications.
Technical Specifications: Mellanox MCX354A-QCBT
| Parameter | Specification |
|---|---|
| Model | MCX354A-QCBT |
| Ports | 2 × QSFP+ |
| Speed | 40GbE (Ethernet) |
| Interface | PCIe 3.0 x8 (8GT/s) |
| Protocol Support | Ethernet, InfiniBand (VPI) |
| RDMA Support | Yes (RoCE, InfiniBand) |
| Virtualization | SR-IOV |
| Bracket | Tall Bracket (Standard) |
| Compliance | RoHS, PCI-SIG, IEEE 802.3 |
| Form Factor | PCIe Adapter Card |
Ideal For
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• Enterprise Networks – High-speed networking for demanding business environments.
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• Data Center Infrastructure – Scalable 40GbE networking for core and aggregation layers.
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• HPC & Research Labs – Supports InfiniBand for high-throughput, low-latency interconnects.
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• Virtualized Environments – Enables multiple VMs with SR-IOV and efficient resource allocation.
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• Cloud & Storage Networking – Suited for fast, reliable data flow in hybrid and software-defined networks.
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