SOURCE: Solarflare


March 30, 2010 15:05 ET

Solarflare Breaks Local Area Network (LAN) Speed Barrier on Intel Xeon Processor 7500 Series Server, Achieving New Record of 118 Gigabits per Second Network Performance

Solarflare's Solarstorm SFN5122F Dual-Port 10 Gigabit Ethernet Server Adapter Delivers Unmatched Performance for Bandwidth-Intensive, Virtualized Computing Environments

IRVINE, CA--(Marketwire - March 30, 2010) - Solarflare, the company pioneering 10 Gigabit Ethernet (10GbE), today announced the results of testing with the Intel® Xeon® Processor 7500 Series Server, the next-generation server processor previously codenamed "Nehalem-EX." The company equipped four Solarstorm® SFN5122F dual-port 10GbE NICs on a four processor Intel Xeon Processor 7500 Series Server, achieving a new LAN speed record at 118 Gb/s network throughput.

The test addresses the growing need for low-latency, high-performance 10GbE switch-to-server solutions for consolidated and virtualized computing environments. Testing conducted by Solarflare with the latest Intel server platform shows greater than 100Gb/s application throughput can be achieved with commercially available 10GbE products.

The company measured the application performance of TCP/IP protocol processing using four SFN5122F dual-port 10GbE server adapters on four socket Intel Xeon Processor 7500 Series server running RHEL 5.4. Interrupts were affinitized between adapters and processors to enable efficient mapping of network traffic to the multiple cores, and the Ixia Chariot test tool was used to set up application-level, bi-directional TCP/IP streams.

It was found that as each CPU/NIC was brought online, the application-level bandwidth scaled by an additional 30Gb/s, peaking at 118 Gb/s application level throughput for 80 streams, 40 in each direction with a total CPU utilization of only 25%.

"IT managers require efficient and scalable high-performance servers and I/O to meet large-scale server consolidation demands," said Jim Pappas, Director Industry Initiatives at Intel. "Intel Xeon Processor 7500 Series platform demonstrates I/O bandwidth performance that will be at the core of virtualized data centers."

The Intel Xeon Processor 7500 Series platform is designed for high-end computing environments and offers four high-bandwidth QuickPath Interconnect links per CPU to provide significant scalability. It also offers up to nine times the memory bandwidth1 of previous generation Intel Xeon 7400 platform and doubles the memory capacity with up to 16 memory slots per processor socket.

"It's clear that servers with this level of processor power and bandwidth can greatly benefit from 10GbE upgrades," said Russell Stern, CEO at Solarflare. "Solarflare's products are delivering the leading power, performance and cost characteristics to address the burgeoning demand for I/O performance in virtualized and cloud computing environments that will take advantage of these greatly improved servers."

The SFN5122F is the highest-performing, lowest-latency 10GbE server adapter on the market. Combined with Enterprise OpenOnload™, a unique application acceleration product optimized for high-frequency trading in financial services markets, the Solarflare adapter achieves sub 5 microseconds latency at less than 2.5 watts per port. It also features a rich set of stateless offloads, providing efficient acceleration of the most demanding network protocol tasks. The SFN5122F features hypervisor bypass and SR-IOV, alleviating network I/O bottlenecks in virtualized environments. Solarflare is now selling the SFN5122F directly to data center managers and IT buyers through channel partners.

For more information on pricing and availability of Solarflare products, contact For generation information and to learn more about Solarflare's products please visit

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About Solarflare, Inc.
Solarflare Communications is the leading provider of 10 Gigabit Ethernet (10GbE) silicon and server adapters. Solarflare's robust and power-efficient solutions are cost effective and easy to deploy. Ready for primetime, Solarflare 10GbE products make possible next-generation applications such as low-latency networking (with OpenOnload™) for market data applications, cloud computing, server virtualization, and network convergence. Solarflare 10GbE adapters have proven their performance in testing conducted by Securities Technology Analysis Center (STAC) Research with Cisco switches and IBM servers. Solarflare silicon can be found in switches, adapters and test equipment shipping from Dell, SMC Networks and others. The company has announced partnerships with Arista Networks, Citrix, Cloudsoft, CommScope, Panduit, SR Labs and VMware. Solarflare is headquartered in Irvine, California, has an R&D site in Cambridge, UK and sales offices in Taiwan and China. For more information, please visit

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1 Based on projections and/or internal measurements

Contact Information

  • Amy Robinson / Brittney Wolff
    LEWIS PR for Solarflare
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    Nicole E. Martin
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