HP 561T Specification

The HP Ethernet 10Gb 2-port 561T Adapter is a dual-port 10GBASE-T adapter, featuring the Intel X540 10Gb Ethernet solution in a PCIe

2.1 compliant form factor designed for HP ProLiant Gen8 rack and tower servers. The HP 561T adapter delivers full line-rate
performance across all, utilizing CAT 6A UTP cabling (or better) with distances up to 100 meters. Providing high performance Ethernet
connectivity, it is ideal for virtual server and cloud computing environments. It supports enterprise class features (VLAN tagging,
adaptive interrupt coalescing, MSI-X, NIC teaming (bonding), Receive Side Scaling (RSS), jumbo frames, PXE boot) and virtualization
features (VMware NetQueue and Microsoft VMQ).

The adapter's support for HP Sea of Sensors 3D Technology enhances server performance by reducing energy consumption and
expense.

Models

HP Ethernet 10Gb 2-port 561T Adapter

716591-B21

Kit Contents

HP Ethernet 10Gb 2-port 561T Adapter
Quick install card
Product warranty statement

QuickSpecs

HP Ethernet 10Gb 2-port 561T Adapter

Overview

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Servers

ProLiant DL (rack-optimized)

:

HP ProLiant DL160 Gen8
HP ProLiant DL360e Gen8
HP ProLiant DL360p Gen8
HP ProLiant DL380e Gen8
HP ProLiant DL380p Gen8
HP ProLiant DL385p Gen8
HP ProLiant DL560 Gen8
HP ProLiant DL980 G7

ProLiant ML (expansion-optimized)

:

HP ProLiant ML350e Gen8
HP ProLiant ML350p Gen8

ProLiant SL (scalable line)

:

HP ProLiant SL210t Gen8
HP ProLiant SL230s Gen8
HP ProLiant SL250s Gen8
HP ProLiant SL270s Gen8
HP ProLiant SL4540 Gen8
HP ProLiant SL4545 G7

NOTE:

This is a list of supported servers. Some may be discontinued.

QuickSpecs

HP Ethernet 10Gb 2-port 561T Adapter

Compatibility

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Product Features

Industry-leading throughput and latency performance
Operates at 1Gbps/10Gbps, auto-negotiation, on both ports
10GBASE-T connectivity supporting up to 100 meters with CAT 6A cabling (or better)
Up to 40Gb/s bi-directional near line rate throughput
Hardware acceleration TCP/IP/UDP stateless offloads Superior small packet performance
Low profile design shipping with standard height and low-profile brackets
SR-IOV capable in hardware (requires server FW, SW and OS support)
Active Health System support
PXE, Jumbo Frames, Checksum & Segmentation Offload, IPv6 and RSS
On chip temperature monitor (Sea of Sensors)
Field replaceable and upgradeable
Support for Preboot eXecution Environment (PXE)
IEEE 1588 (Time Synchronization) ready

Dual-port 10 Gigabit
Ethernet Throughput

The HP 561T adapter delivers 20 Gbps full duplex Ethernet transfer rate per port , providing the network
performance needed to improve response times and alleviate bottlenecks that impact performance of
next generation data centers. 10Gb Ethernet bandwidth is ideal for high performance computing, database
clusters, and more.

Jumbo Frames

The HP 561T adapter supports jumbo frames (also known as extended frames), permitting up to a 9.5K
byte (KB) transmission unit (MTU) when running Ethernet I/O traffic. This is over 5X the size of a standard
1500-byte Ethernet frame. With jumbo frames, networks can achieve higher throughput performance and
improve CPU utilization. These attributes are particularly useful for database transfer and tape backup
operations.

TCP/IP Stateless
Offloading

TCP, IP, UDP checksum offload, Large Send Offload (LSO), TCP Segmentation Offload (TSO). These
features optimize host efficiency, leaving the CPU available for other duties.

The HP 561T Adapter offers TCP/IP stateless offloading capability.

MSI and MSI-X

Message Signaled Interrupt (Extended) provides performance benefits for multi-core servers by load
balancing interrupts between CPUs/cores. The HP 561T Adapter supports MSI and MSI-X.

802.1Q VLANs

IEEE 802.1Q virtual local area network (VLAN) protocol allows each physical port of the HP 561T adapter to
be separated into multiple virtual NICs for added network segmentation and enhanced security and
performance. VLANs increase security by isolating traffic between users. Limiting the broadcast traffic to
within the same VLAN domain also improves performance. The HP 561T adapter provides support for

802.1Q (VLAN).

QuickSpecs

HP Ethernet 10Gb 2-port 561T Adapter

Standard Features

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Optimized for
Virtualization

I/O Virtualization support for VMware NetQueue and Microsoft VMQ help meet the performance demands
of consolidated virtual workloads.

Compliant with Single-Root I/O Virtualization (SR-IOV), accommodating multiple Virtual Machines (VMs) to
share single PCIe resources.

The HP 561T Adapter is SR-IOV ready, requiring firmware, software and OS support.

Checksum &
Segmentation Offload

Normally the TCP Checksum is computed by the protocol stack. By selecting one of the "Checksum
Offload" parameters, the checksum can be computed by the adapter.

Segmentation Offload is technique for increasing outbound throughput of high-bandwidth network
connections by reducing CPU overhead. The technique is also called TCP segmentation offload (TSO) when
applied to TCP, or generic segmentation offload (GSO).

The HP 561T Adapter has Checksum and Segmentation Offload capabilities.

IPv6

IPv6 uses 128-bit addressing allowing for more devices and users on the Internet. IPv4 supported 32-bit
addressing. The HP 561T Adapter supports IPv6.

Receive Side Scaling (RSS)

RSS resolves the single-processor bottleneck by allowing the receive side network load from a network
adapter to be shared across multiple processors. RSS enables packet receive-processing to scale with the
number of available processors.

The HP 561T Adapter has RSS capabilities.

Time synchronization
implementations (PTP)

Synchronization of system clocks throughout a network, achieving clock accuracy in the sub-microsecond
range, making it suitable for measurement and control systems.

The HP 561T Adapter supports Precision Time Protocol-ready (PTP).

Network Adapter
Teaming

The HP 561T adapter support for NIC teaming helps IT administrators increase network fault tolerance and
increased network bandwidth, The team of adapters can work together as a single virtual adapter. The HP
561T provides support for several different types of teaming enabling IT administrators to optimize
availability, improve performance and help reduce costs.

Network Management

Management Support

The HP 561T adapter can be administered from HP Systems Insight Manager (SIM). The adapters can be
managed individually or in teams, providing SNMP based statistics for reporting purposes. The HP 561T
adapter can also be managed by other applications with SNMP support.

QuickSpecs

HP Ethernet 10Gb 2-port 561T Adapter

Standard Features

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