Name: MCX346A-BCPN Mellanox 2-Port 40Gbps QSFP+ PCIe 3.0 x8 Network Card
Brand: Mellanox
SKU: MCX346A-BCPN
Price: 104.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The MCX346A-BCPN Mellanox 2-Port 40Gbs QSFP+ Network Card delivers dual high-speed 40 Gigabit Ethernet ports through QSFP+ connectors, interfacing with systems via PCIe 3.0 x8. It is designed to support high-bandwidth networking applications in data centers and enterprise environments.

General Information
Brand	Mellanox

Technical Information
Product Type	Network Interface Card
Chipset/Controller	Mellanox ConnectX-3
Virtualization Support	SR-IOV, VXLAN
Data Rate (Speed)	40GbE
Data Center Bridging	Yes
Interface (Bus)	PCIe 3.0 x8
Number of Ports	2-Port (Dual)
OS Compatibility	RHEL, VMware ESXi
Network Management	SNMP
Offload Support	RDMA, RoCE v2, PXE Boot, TCP Stateless Offload, Jumbo Frames
Bracket Height	Full Height (Standard)

Connectivity & Physical
Form Factor	Standard PCIe Card
Port Type	QSFP+
Weight	3.00
Condition	Refurbished

Miscellaneous
Assembly Required	No
Compliance Standards	RoHS, CE, FCC

Product Description
The MCX346A-BCPN Mellanox network card provides two 40Gbps QSFP+ ports designed for demanding network environments. It connects via a PCIe 3.0 x8 interface, enabling high-throughput data transfer suitable for integration in servers and high-end workstations. This card is commonly deployed in data centers and enterprise networks that require efficient handling of large data volumes and high bandwidth performance. Key Features Two QSFP+ ports supporting 40 Gigabit Ethernet connectivity PCI Express 3.0 x8 interface ensuring compatibility with modern server architectures Designed by Mellanox, a recognized provider of networking hardware Supports data center and enterprise network workloads Optimized for high-bandwidth and low-latency network operations The MCX346A-BCPN network card plays a vital role in enhancing network throughput and reducing bottlenecks in environments where fast data transfer is critical. It is tailored for IT professionals managing infrastructure that demands consistent 40Gbps connectivity.

Use Cases
The MCX346A-BCPN network card is typically used in data centers and enterprise infrastructures requiring high-throughput network connections. It suits environments where multiple 40Gbps links are necessary for workload distribution and data aggregation. How It's Used: Connecting servers to 40Gbps Ethernet switches in data center networks Providing network uplinks for storage area networks (SANs) Supporting virtualization platforms with high network bandwidth demands Integrating into HPC clusters requiring fast inter-node communication Enabling network traffic aggregation and distribution in enterprise backbones This network card facilitates efficient data traffic management and supports infrastructure scaling by delivering consistent 40Gbps connectivity. It fits operational roles where stable, high-capacity network links are necessary.

FAQ's
What interface does the MCX346A-BCPN use? The MCX346A-BCPN uses a PCI Express 3.0 x8 interface, allowing it to connect to compatible server and workstation motherboards for high-speed data transfer. Which connector type is supported by this network card? This network card supports QSFP+ connectors, enabling dual 40 Gigabit Ethernet ports for high-bandwidth network connections. Can this card be used for 10G Ethernet networks? The MCX346A-BCPN is specifically designed for 40 Gigabit Ethernet speeds and QSFP+ ports, so it is not intended for direct 10G Ethernet use without appropriate adapters. Is the MCX346A-BCPN compatible with PCIe 4.0 slots? While designed for PCIe 3.0 x8, the card can physically fit in PCIe 4.0 slots but will operate at PCIe 3.0 speeds. What type of environments benefit most from this card? This card is suited for data centers and enterprise networks that require reliable 40Gbps connections for server-to-switch or server-to-server communications. Does the card support both single-mode and multi-mode fiber? The card provides QSFP+ ports that can support either single-mode or multi-mode fiber transceivers, depending on the optical modules used.

MCX346A-BCPN Mellanox 2-Port 40Gbps QSFP+ PCIe 3.0 x8 Network Card

Product Overview

General Information

Technical Information

Connectivity & Physical

Miscellaneous

Product Description

Use Cases

FAQ's