PLX PCI Express Switch Enables Blinding Speed on New ATI Radeon Flagship Graphics Card

PEX 8647 Provides High-Performance Dual-GPU Connectivity on AMD’s Ultra-High-End ATI Radeon HD 5970

SUNNYVALE, Calif. — (BUSINESS WIRE) — November 23, 2009 — PLX Technology, Inc. (NASDAQ: PLXT), the leading global supplier of PCI Express® (PCIe®) switch and bridge solutions, today announced its PEX 8647 PCIe Gen 2 switch is the high-performance, peer-to-peer connectivity solution on the new premium ATI Radeon™ HD 5970 dual-GPU graphics cards from AMD® (NYSE: AMD). The innovative ATI Radeon HD 5970, recently released and targeting extreme gamers, offers superior graphics execution via the industry’s fastest video card. The powerful ATI Radeon HD 5970 utilizes two GPUs on a single board, which are enabled by PLX’s PEX 8647 switch technology and further enhanced with ATI CrossFireX™ technology.

“The ATI Radeon HD 5970 graphics card, supported by the PLX® PEX 8647, exemplifies top performance for today’s extreme computer games,” said Rick Bergman, senior vice president and general manager, AMD. “AMD chose the PLX chip for its industry-leading features, allowing very high-speed communication between our two powerful, next-generation Radeon graphics processors. The PEX 8647 switch has provided enhanced flexibility and performance in our HD 5970 design and enables AMD, and its partners, to provide customers the fastest graphics solutions on the planet.”

“High-end graphics controllers and cards need high-end IO so their data can move from chip to chip, card, system, and screen,” said Shane Rau, PC semiconductor research director at IDC. “PCI Express 2.0 is now the leading-edge IO standard for all high-end graphics cards in the PC market and compatibility with it is essential for market leadership.”

The PLX ExpressLane™ PEX 8647 switch is specifically designed for the cutting-edge graphics industry. The PEX 8647 is a 48-lane, three-port, PCI Express Gen 2 (5.0 GT/s)-compliant switch featuring large packet memory, low power and cut-thru architecture for low latency. The PEX 8647 offers three x16 ports to allow for the optimal configuration of graphics applications and includes PLX’s unique array of performance-maximizing features such as Dual Cast™, which provides simultaneous copying of data from one ingress port to two egress ports. A special PLX software development kit enables designers to enhance and analyze their systems performance thus accelerating the engineering design process.

Available Now in Volume

The PEX 8647 is in full production today and shipping in volume quantities. PLX’s PCIe switches provide board and system designers with the industry’s most extensive and proven lineup of products ranging in density from three to 24 ports and from four to 96 lanes. For detailed information on the entire ExpressLane switch family, please visit or contact sales at

Press Graphic

A downloadable high-resolution press graphic of the ATI Radeon HD 5970 can be found on the AMD Website at,,3715_16038,00.html.

About PLX

PLX Technology, Inc. (NASDAQ: PLXT), based in Sunnyvale, Calif., USA, is an industry-leading global provider of semiconductor based connectivity solutions primarily targeting the enterprise and consumer markets. The Company executes on innovative software enriched silicon through feature differentiation, high-quality interoperability and performance.

AMD, CrossFireX and Radeon are trademarks of Advanced Micro Devices, Inc.

PCI Express is a trademark of the PCI-SIG.

ExpressLane, PLX Technology and the PLX Technology logo are trademarks or registered trademarks of PLX Technology, Inc. All other product names that appear in this material are for identification purposes only and are acknowledged to be trademarks or registered trademarks of their respective companies. Other names and brands may be claimed as the property of others.


CommonGround Communications (for PLX)
Editorial contact:
Jerry Steach, 415-222-9996
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