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Dell 540-BBNZ Connectx-4 2-Ports QSFP28 100GbE EDR IB PCIe Adapter
- Dual-port QSFP28 interface
- Supports 100GbE Ethernet
- Supports EDR InfiniBand
- PCIe Gen3 x16 interface
- Low latency and high bandwidth
- Ideal for HPC, AI/ML, and data analytics workloads
- ConnectX-4 technology
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Typically 1-2 handling + 3-7 transit days
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For government, enterprise, data center, and small business customers.
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Product Overview
The Dell 540-BBNZ is a ConnectX-4 dual-port QSFP28 PCIe adapter, delivering high-performance networking capabilities for demanding server and storage applications. It supports 100GbE Ethernet and EDR InfiniBand, providing exceptional bandwidth and low latency.
Technical Information
| Model | ConnectX-4 |
| Ports | 2 x QSFP28 |
| Speed | 100GbE / EDR InfiniBand |
| Interface | PCIe Gen3 x16 |
Additional Specifications
| Form Factor | Standard PCIe Card |
| RDMA Support | Yes (RoCE v1/v2, iWARP) |
| Offloads | TCP/UDP/IP, NVGRE, VXLAN, Geneve |
Product Description
The Dell 540-BBNZ, powered by Mellanox ConnectX-4 technology, is a high-performance network interface card designed to meet the stringent demands of modern data centers. Featuring two QSFP28 ports, it offers unparalleled connectivity options, supporting both 100 Gigabit Ethernet (100GbE) and Enhanced Data Rate (EDR) InfiniBand. This dual-protocol support makes it exceptionally versatile for environments that require high-speed, low-latency communication for a variety of workloads. This adapter is built for applications where bandwidth and latency are critical factors, such as High-Performance Computing (HPC), Artificial Intelligence (AI) and Machine Learning (ML) training, big data analytics, and high-frequency trading. The PCIe Gen3 x16 interface ensures that the adapter can fully utilize the available bandwidth from the host system, preventing bottlenecks and maximizing data transfer rates. Its advanced features include support for Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE) and iWARP, enabling direct memory access between applications and reducing CPU overhead. Furthermore, the ConnectX-4 architecture includes sophisticated offload engines for TCP, UDP, and IP protocols, as well as support for network virtualization technologies like NVGRE, VXLAN, and Geneve. These offloads significantly enhance network performance and efficiency by offloading processing tasks from the host CPU. The Dell 540-BBNZ is an essential component for building next-generation, high-performance computing infrastructures.
