Intel® Ethernet Converged Network Adapter X520-T2
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Intel® Ethernet Server Adapter X520
Products formerly Iron Pond
RJ-45 Category-6 up to 55 m; Category-6A up to 100 m
Low Profile and Full Height
Intel® 82599EB 10 Gigabit Ethernet Controller
Supported Operating Systems
Windows Server 2012 R2*, Windows Server 2012*, Windows 8*, Windows Server 2008 R2*, Windows 7*, Windows Server 2008* SP2, Windows Vista* SP2, Windows Server 2003 R2*, Windows Server 2003* SP2, Linux* Stable Kernel version 3.x, 2.6,x, Red Hat Enterprise Linux* 5, 6, SUSE Linux Enterprise Server* 10, 11, FreeBSD 9*, VMware ESX/ESXi*
Intel® Virtualization Technology for Connectivity (VT-c)
Speed & Slot Width
5.0 GT/s, x8 Lane
System Interface Type
PCIe v2.0 (5.0 GT/s)
Ordering and Compliance
Retired and discontinued
Trade compliance information
- ECCN 5A992C
- CCATS G135872
- US HTS 8517620090
Intel® Server Board S1400FP Family
Intel® Server Board S1400SP Family
Intel® Server Board S1600JP Family
Intel® Server Board S2400BB Family
Intel® Server Board S2400GP Family
Intel® Server Board S2400LP Family
Intel® Server Board S2600CO Family
Intel® Server Board S2600GL Family
Intel® Server Board S2600GZ Family
Intel® Server Board S2600JF Family
Intel® Server Board S2600WP Family
Intel® Workstation Board W2600CR Family
Intel® Server Board S4600LH Family
Intel® Server Board S4600LT Family
Intel® Compute Module HNS2400LP Family
Intel® Compute Module HNS2600JF Family
Intel® Compute Module HNS2600WP Family
Intel® Server System R1000BB Family
Intel® Server System R1000GL Family
Intel® Server System R1000GZ Family
Intel® Server System R1000JP Family
Intel® Server System R1000SP Family
Intel® Server System H2000JF Family
Intel® Server System H2000WP Family
Intel® Server System R2000BB Family
Intel® Server System R2000GL Family
Intel® Server System R2000GZ Family
Intel® Server System R2000IP Family
Intel® Server System R2000LH2 Family
Intel® Server System R2000LT2 Family
Intel® Server System P4000IP Family
Intel® Server System P4000SC Family
Intel® Workstation System P4300CR Family
Drivers and Software
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The date the product was first introduced.
Thermal Design Power (TDP) represents the average power, in watts, the processor dissipates when operating at Base Frequency with all cores active under an Intel-defined, high-complexity workload. Refer to Datasheet for thermal solution requirements.
Flexible Port Partitioning
Flexible Port Partitioning (FPP) technology utilizes industry standard PCI SIG SR-IOV to efficiently divide your physical Ethernet device into multiple virtual devices, providing Quality of Service by ensuring each process is assigned to a Virtual Function and is provided a fair share of the bandwidth.
Virtual Machine Device Queues (VMDq)
Virtual Machine Device Queues (VMDq) is a technology designed to offload some of the switching done in the VMM (Virtual Machine Monitor) to networking hardware specifically designed for this function. VMDq drastically reduces overhead associated with I/O switching in the VMM which greatly improves throughput and overall system performance
PCI-SIG* SR-IOV Capable
Single-Root I/O Virtualization (SR-IOV) involves natively (directly) sharing a single I/O resource between multiple virtual machines. SR-IOV provides a mechanism by which a Single Root Function (for example a single Ethernet Port) can appear to be multiple separate physical devices.
iWARP delivers converged, low-latency fabric services to data centers through Remote Direct Memory Access (RDMA) over Ethernet. The key iWARP components that deliver low-latency are Kernel Bypass, Direct Data Placement, and Transport Acceleration.
Intel® Ethernet Power Management
Intel® Ethernet Power Management Technology provides solutions to common power management approaches by reducing idle power, reducing capacity and power as a function of demand, operating at maximum energy efficiency whenever possible, and enabling functionality only when needed.
All information provided is subject to change at any time, without notice. Intel may make changes to manufacturing life cycle, specifications, and product descriptions at any time, without notice. The information herein is provided "as-is" and Intel does not make any representations or warranties whatsoever regarding accuracy of the information, nor on the product features, availability, functionality, or compatibility of the products listed. Please contact system vendor for more information on specific products or systems.
Intel classifications are for general, educational and planning purposes only and consist of Export Control Classification Numbers (ECCN) and Harmonized Tariff Schedule (HTS) numbers. Any use made of Intel classifications are without recourse to Intel and shall not be construed as a representation or warranty regarding the proper ECCN or HTS. Your company as an importer and/or exporter is responsible for determining the correct classification of your transaction.
Refer to Datasheet for formal definitions of product properties and features.
‡ This feature may not be available on all computing systems. Please check with the system vendor to determine if your system delivers this feature, or reference the system specifications (motherboard, processor, chipset, power supply, HDD, graphics controller, memory, BIOS, drivers, virtual machine monitor-VMM, platform software, and/or operating system) for feature compatibility. Functionality, performance, and other benefits of this feature may vary depending on system configuration.
“Announced” SKUs are not yet available. Please refer to the Launch Date for market availability.
System and Maximum TDP is based on worst case scenarios. Actual TDP may be lower if not all I/Os for chipsets are used.