Detailed Specifications
HPE 561T 10Gb 2-Port 561T Network Adapter
Overview
The HPE 561T is a high-performance dual-port 10 Gigabit Ethernet adapter designed for modern HPE ProLiant servers requiring reliable, copper-based 10Gb connectivity. Built on the Intel X540 controller, it delivers stable throughput, low latency, and advanced offload capabilities suitable for virtualized, cloud, and high-density data center environments. Its 10GBASE-T RJ-45 interfaces provide backward compatibility with existing copper infrastructure while supporting efficient 10 Gb operation over Cat6A or better cabling. The adapter supports SR-IOV, VMDq, VLAN tagging, jumbo frames, load balancing, failover, and extensive QoS features, making it an ideal solution for workloads requiring high bandwidth, excellent scalability, and enterprise-class networking reliability.
Key Features
Dual 10 Gb/s RJ-45 ports for high-speed connectivity
Intel X540 controller for stable performance
PCI Express 2.1 ×8 host interface
Supports SR-IOV, VMDq, and virtualization offloads
Jumbo frames, RSS, checksum and segmentation offload
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | 561T (716591-B21) |
| Product Type | Dual-Port 10Gb Ethernet Adapter |
| Network Ports | 2 × 10GBASE-T RJ-45 |
| Host Interface | PCI Express 2.1 ×8 |
| Controller | Intel X540 |
| Bandwidth | 20 Gb/s per port, 40 Gb/s aggregate |
| Cabling Requirement | Cat6A or better recommended |
| Maximum Cable Distance | Up to 100 meters with Cat6A |
| VLAN Support | IEEE 802.1Q VLAN tagging |
| Flow Control | IEEE 802.1Qbb, 802.1Qaz, and related standards |
| Power Consumption | Approximately 19 W |
| Operating Temperature | 0°C to 55°C |
| Form Factor | Standard and low-profile brackets |
| Virtualization Support | SR-IOV, VMDq |
| Advanced Features | RSS, MSI-X, jumbo frames, PXE boot, Wake-on-LAN |
