Dell 0H9NW ConnectX-5 EN 2x Ports SFP28 PCIe Network Interface Card
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General Information
Interfaces/Ports
Technical Information
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Storage Capacity
The Dell 0H9NW is a dual-port Mellanox ConnectX-5 EN network adapter, engineered for high-performance server networking. It supports two SFP28 ports, each capable of 10 GbE or 25 GbE speeds over fiber optics or DAC cables. Installed via a PCI Express 3.0 ×16 slot (full-height form factor), this card is optimized for servers that require ultra-low latency and high throughput, such as Dell PowerEdge R-series and compute nodes. With support for advanced features like RDMA, DPDK acceleration, IPv4/v6 offloads, and SR-IOV virtualization tuning, it excels in storage, virtualization, and HPC use cases. Typically offered as a refurbished OEM Dell component, part number 540‑BCNI / 0H9NW, it comes with limited warranty and is widely used in data center and enterprise virtualization environments
