Intel Ethernet and Windows Server 2008 R2

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Intel

Virtualization Technology requires a computer system with an enabled Intel

processor, BIOS, virtual machine monitor (VMM) and, for some uses, certain platform software enabled for it. Functionality, performance or other

benefits will vary depending on hardware and software configurations and may require a BIOS update. Software applications may not be compatible with all operating systems. Please check with your application vendor.

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Intel processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across different processor families. See www.intel.com/products/processor_number for details.

This is throughput measured by TCP. At 4 VMs, this effectively represents line rate when IP and Ethernet overhead is included.

Microsoft internal measurement. (April 2009 ) ntttcp benchmark. Windows Server 2008 R2 Beta. Intel

Xeon

processor E5460, 3.16 GHz, 8 MB L2 cache, 1333 MHz system bus, 24 GB memory.

Results based on Intel pre-production system with two Intel

Xeon

processors W5580 (8 MB cache, 3.20 GHz, 6.40 GT/s Intel

QPI ), 24 GB DDR3, Intel

Ethernet Server Adapter based on Intel

82599 10 Gigabit Ethernet

Controller, Windows Server* 2008 R2 x64. iSCSI target LUNs configured as RAMDisk devices.

Performance tests and ratings are measured using specific computer systems and/or components and reflect the approximate performance of Intel products as measured by those tests. Any difference in system hardware or

software design or configuration may affect actual performance. Buyers should consult other sources of information to evaluate the performance of systems or components they are considering purchasing. For more information

on performance tests and on the performance of Intel products, visit www.intel.com/performance/resources/limits.htm or call (U.S.) 1-800-628-8686 or 1-916-356-3104.

Up to 2.5x performance compared to Intel

Xeon

processor 5300 series claim supported by performance result of a bandwidth intensive network benchmark (IxChariot). Network throughput was measured on 64 KB I/O size

transfers between the test system and multiple network targets. Intel internal measurement (March 2009 ). IxChariot 6.6 benchmark. Intel pre-production system with two Quad-Core Intel

Xeon

processor 5500 series CPUs

(2.93 GHz), 12 GB memory (6 x2 GB DDR3 - 1066 MHz) vs. Intel Production system with two Intel

Xeon

processors X5365 (3.0 GHz, 1333 MHz FSB), 8 GB memory (8 x 1 GB DDR 2 - 667). Windows Server 2008, stock

unmodified installation.

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