The Mellanox MCX345A-BCQN Network Card is a high-performance adapter designed to deliver low latency and high bandwidth networks particularly for demanding data center applications. It boosts network speed and bandwidth performance, expanding your networking capability without increasing the number of network ports.

Features:

• 100Gb/s Ethernet transfer rate
• InfiniBand HDR100 transfer rate
• Low Latency and High bandwidth
• Fully integrated PCIe Gen 4.0
• Dual-Port QSFP28 connectivity
• Shielded Coupled Power Inductor for in-cable EMI prevention

Specifications:

Using Technologies :

• VPI – Provides a plug-n-play solution for high-speed Ethernet 100 Gb/s or InfiniBand  200 Gb/s interconnect
• Technically proven half-height, half-length compact PCIe form factor requires minimal PCIe slots while based on PCIe Gen 4.0 architecture
• Numerous drivers are available including major operating systems, hypervisors and management infrastructure software. Supported by extensive knowledge base 24x7x365 service with support centers across the globe

Known Issues with this device & Troubleshooting:

There are a few issues commonly shared by the people who post questions and complaints online regarding Mellanox MCX345A-BCQN. Some users of this network card have reported high ping spikes that seem to correspond with relatively low upload usage. It seems that not everybody experiences the reported ping spikes issue the same way, but some tests have confirmed its concern. Mellanox advises updating the firmware and driver to the latest stable version. Then examine the wiring configurations, and tweak NIC and switch parameters; doing these have effectively reduced or mitigated the abnormalities reported before.

Firmware and Driver Information:

To obtain the latest firmware version along with driver updates, please visit the Mellanox support page to download the appropriate driver or firmware package suitable for your operating system. The support page consists of documents, software, firmware, and tools related to the network adapter cards of Mellanox. The physical and logical package enumeration is consistent across all versions, minimizing compatibility issues caused by firmware differences.