HPE 716591-B21
Ethernet 10 Gb 2‑Port 561T Network Adapter
The HPE 716591‑B21 (561T) is a dual-port 10 GbE Network Adapter engineered for HPE ProLiant Gen8 and Gen9 rack, tower, and scalable servers. Featuring Intel X540 controller technology, it provides full line-rate 10 Gbps performance oneach RJ‑45 port over Cat 6A cabling (up to 100 m). Ideal for virtualization, high-speed backups, and server consolidation, this adapter delivers advanced networking features—including VLAN tagging, jumbo frames, and PXE/WOL—while minimizing CPU overhead and maximizing throughput in dense server deployments.
Features
This plug-in PCIe 2.1 x8 card supports both full-height and low-profile brackets, enabling flexible installation across ProLiant Gen8/Gen9 servers. It utilizes standard UTP cabling to deliver 10 GbE over distances up to 100 m using Cat 6A or enhanced performance with Cat 6. With support for advanced acceleration technologies such as MSI‑X, TCP/UDP checksum offloads, TSO/LSO, RSS, SR‑IOV, and VMDq, it’s optimized for virtualized workloads and network teaming. Additional features include jumbo frames up to 9 K MTU, NIC teaming, and energy-efficient operation leveraging HPE Sea of Sensors thermal monitoring. This makes it well suited for scalable data center and enterprise use.
Advanced Options
Designed for dependable 10 GbE networking, this adapter delivers low latency and full-duplex throughput on both ports concurrently (~40 Gb/s aggregate bandwidth) with excellent packet efficiency. Hardware features like RSS, MSI‑X,
Product Key Features
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Two 10 GbE RJ‑45 ports over Cat 6A cabling
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Intel X540 controller with PCIe 2.1 x8 interface
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Supports jumbo frames, PXE boot, Wake-on‑LAN
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Advanced offloads: TSO/LSO, checksum, RSS, MSI‑X
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Virtualization ready: VMDq, SR‑IOV support
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Low-power design with Sea of Sensors thermal support
Reliability & Performance
and offloading minimize CPU involvement and enhance scalability under heavy workloads. The Intel X540 chipset combined with HPE thermal management ensures stable behavior even in crowded rack scenarios. Certified for use in a broad range of HPE ProLiant Gen8/Gen9 servers—including DL, ML, and Apollo systems—it ensures plug-and-play interoperability and sustained performance.
Key Features :
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2 × 10 GbE RJ‑45 ports
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Intel X540 controller (PCIe 2.1 x8 interface)
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Supports jumbo frames up to 9 K MTU
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Hardware offloads: TSO, LSO, TCP/UDP checksum, RSS
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Virtualization support: SR‑IOV and VMDq
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MSI‑X interrupt support for efficient CPU usage
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Teaming support and PXE/WOL functionality
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Low-profile and full-height bracket included
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Compatible with Cat 6A or better cabling up to 100 m
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HPE Sea of Sensors thermal optimization
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