HPE 779243-B21 Connectx-3 Pro 2P 40GbE 544+A8L Ib/ Network Adapter
Shop all HPE parts (2,280) ›- 2 x 40GbE (QSFP+) ports
- Supports both Ethernet and InfiniBand (IB)
- ConnectX-3 Pro technology
- High-performance, low-latency connectivity
- Ideal for HPC, storage, and data centers
- PCIe 3.0 x8 interface
- Includes advanced features like RoCE (RDMA over Converged Ethernet)
Key specifications
See full specs ↓- Part Number
- 779243-B21
- Brand
- HPE
- Model
- ConnectX-3 Pro
- Ports
- 2 x 40GbE (QSFP+)
- Interface
- InfiniBand (IB) / Ethernet
- Bus Type
- PCIe 3.0 x8
Product details
The HPE 779243-B21 is a ConnectX-3 Pro 2-port 40GbE network adapter. It supports both InfiniBand (IB) and Ethernet, offering high-speed, low-latency connectivity for demanding server and storage applications.
Specifications
- Part Number
- 779243-B21
- Brand
- HPE
- Model
- ConnectX-3 Pro
- Ports
- 2 x 40GbE (QSFP+)
- Interface
- InfiniBand (IB) / Ethernet
- Bus Type
- PCIe 3.0 x8
Description
The HPE 779243-B21, based on Mellanox's ConnectX-3 Pro technology, is a high-performance dual-port network adapter designed for the most demanding computing environments. It offers a versatile connectivity solution by supporting both 40 Gigabit Ethernet (40GbE) and InfiniBand (IB) protocols through its two QSFP+ ports. This dual-protocol capability makes it exceptionally flexible, allowing it to be deployed in a wide range of high-performance computing (HPC), storage, and data center applications where speed and low latency are critical. Leveraging the PCIe 3.0 x8 interface, this adapter provides a substantial bandwidth pipeline to the host system, ensuring that the full potential of the 40GbE or InfiniBand connections can be utilized. The ConnectX-3 Pro architecture incorporates advanced features such as RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE) and InfiniBand, which significantly reduce CPU overhead and latency by enabling direct memory-to-memory transfers between applications on different servers. This is crucial for tightly coupled parallel processing and high-throughput storage access. This adapter is an ideal choice for environments requiring high-speed data movement, such as large-scale data analytics, financial modeling, scientific simulations, and high-performance storage networks. Its ability to handle massive data flows with minimal latency ensures that applications can operate at peak efficiency. The HPE 779243-B21 represents a significant upgrade for servers needing cutting-edge networking performance and protocol flexibility.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 779243-B21.
