Mellanox MCX354A-Qcbt Connectx-3 Vpi Dual 40gbe Qsfp+ Port Network Adapter Card

• Type: Wireless
• Bandwidth: 10Mbps/100Mbps
• Interface: PCI Express
• Transmission Rate: 10/100/1000Mbps
• Application: Desktop, Laptop, Server
• Connecting Medium: Ask Us
• Motherboard Integrated: Separate Network Card
• Frequency Range: Single Frequency
• Type of Network: Fast Ethernet
• Field: Workstation
• Product Warranty: 1 Year
• Use: Storage Networks
• Production Lead Time: 10-25 Days
• Supply Capacity: 10, 000PCS Per Month
• Transport Package: Paper Box
• Specification: OEM
• Trademark: None
• Origin: China
• Production Capacity: 10, 000PCS Per Month
• Package Size: 103.00cm * 103.00cm * 35.00cm
• Package Gross Weight: 1.100kg

Product Description

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.
 

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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

• • Dual-Port 40GbE Connectivity - Two QSFP+ ports deliver high-speed 40 Gigabit Ethernet networking.

• • VPI (Virtual Protocol Interconnect) - Supports both Ethernet and InfiniBand protocols for flexible deployments.

• • PCIe 3.0 x8 Interface (8GT/s) - Ensures fast and efficient data transfer between server and network.

• • RDMA Support - Enables Remote Direct Memory Access for low-latency, high-bandwidth performance.

• • SR-IOV Capable - Enhances virtualization and multi-tenant environments.

• • Hardware Offload Features - Reduces CPU overhead with checksum, segmentation, and other offloads.

• • 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

• • Enterprise Networks - High-speed networking for demanding business environments.

• • Data Center Infrastructure - Scalable 40GbE networking for core and aggregation layers.

• • HPC & Research Labs - Supports InfiniBand for high-throughput, low-latency interconnects.

• • Virtualized Environments - Enables multiple VMs with SR-IOV and efficient resource allocation.

• • Cloud & Storage Networking - Suited for fast, reliable data flow in hybrid and software-defined networks.