Press Release

LEADING MOTHERBOARD VENDORS SELECT ADAPTEC'S ULTRA160 SCSI TECHNOLOGY

Ultra160 SCSI Continues to Gain Momentum with Asustek and SuperMicro Each Selecting Adaptec's Ultra160 SCSI designs

MILPITAS, Calif., -- February 22, 2000 -- Adaptec, Inc. (NASDAQ: ADPT) today announced that the industry's leading motherboard suppliers have selected Adaptec's Ultra160 SCSI technology for their next-generation Intel architecture server and workstation motherboards. Asustek and Supermicro are the latest to adopt Adaptec's first-to-market Ultra160 technology, leveraging Adaptec's industry-leading compatibility, reliability and software support.

Today's critical e-business and high-performance applications fuel the demand for faster, higher-capacity storage that Ultra160 SCSI delivers. Adaptec's Ultra160 SCSI technology was selected by these leading motherboard vendors to meet the challenges of today's high-end computing needs by being the first to market with 160MB/sec. SCSI performance -- the fastest available today.

Motherboards featuring Adaptec's Ultra160 designs will be available during the first quarter of 2000.

"Today's leading motherboard makers are making the transition to Ultra160 SCSI because it offers the best performance, reliability and compatibility available," said Lee Caswell, director of Adaptec's OEM Solutions Group. "In addition, Adaptec is clearly ahead of the competition by offering software driver support for virtually all operating systems."

"As Asustek moves forward with technologies such as 64-bit PCI and the latest-generation chipsets, the need for Ultra160 SCSI is clear," said Joe Hsieh, director of the motherboard business department at Asustek Corporation. "The added I/O bandwidth that Adaptec's Ultra160 SCSI designs provide is the natural choice for the demanding requirements of our customers."

"Supermicro's customers need the extra I/O bandwidth for enterprise-class server applications such as e-business," said Charles Liang, President of Supermicro, Corporation. "Adaptec's Ultra160 SCSI designs provide that needed bandwidth and we're pleased to incorporate Adaptec's technology within our motherboards."

For more information about Ultra160 SCSI technology and partners, visit https://www.ultra160-scsi.com.

About Adaptec
Adaptec makes products and solutions that move, transfer, manage, and protect valuable data that is the heart of Internet and e-business computing. Adaptec's hardware and software products are found in high-performance servers and workstations from the world's leading manufacturers, and are sold through distribution channels to enterprises, medium and small businesses, and consumers. With a range of host I/O, RAID, and CD recording software products, Adaptec is a market leader in storage and digital content solutions, and a powerful enabler of today's information age. Adaptec is an S&P 500 and a NASDAQ 100 member. More information is available at https://www.adaptec.com.

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