HPE 788995-B21

557SFP+ Dual-Port 10 Gb Network Adapter (Refurbished)

The HPE 788995-B21 (557SFP+) Dual-Port Adapter is a high-performance, refurbished 10 Gb Ethernet network card  tailored for HPE ProLiant Gen9 rack servers. Featuring two SFP+ ports, this adapter delivers up to 40 Gb/s aggregate bidirectional throughput, ideal for high-density computing environments such as virtualization, cloud, and enterprise applications. Built with a PCIe 3.0 x8 interface and sporting advanced offload capabilities—including Jumbo Frames, PXE boot, LSO, and TSO—this adapter helps to alleviate network bottlenecks and boost server efficiency. Leveraging a trusted Emulex XE-100-based design, it's fully compliant with standards like IEEE 802.3ae, 802.1Q VLANs, and LACP. Reliable yet budget-friendly, the refurbished unit offers excellent connectivity at a fraction of the new hardware cost.

Features

The HPE Ethernet 557SFP+ Adapter supports high-throughput workloads with 20 Gb/s per port capability, achieving up to 40 Gb/s of bidirectional bandwidth per card. It's designed for robust network virtualization, offering hardware offload features like VXLAN/NVGRE tunnel offload, jumbo frames up to 9 KB, RSS, SR-IOV, and virtualization optimizations such as VMQ and NetQueue, enhancing CPU efficiency in multi-core server environments. In terms of compatibility, it installs via a PCIe 3.0 x8 (backward-compatible x4) slot and supports both full- and low-profile brackets. Standard features include PXE boot support and integration with HPE management tools such as Intelligent Provisioning and Systems Insight Manager for seamless deployment and diagnostics. Covering a wide thermal range (0° to 55 °C operating) with low power consumption (8.4 W typical), it's a dependable network workhorse for Dell ProLiant DL/DL/ML and Apollo server lines. 

Advanced Options

As a refurbished enterprise-grade adapter, the HPE 788995-B21 brings both cost-efficiency and dependable performance. Its Emulex-based hardware and tight integration with HPE ecosystem ensure maximum compatibility and system reliability. The inclusion of advanced offload technologies reduces processor load—vital for virtualized and high-performance cloud workloads—with features like TOE, RSS, SR-IOV, and tunnel offloads ensuring low-latency networking. This contributes to higher VM density and improved response times.