Interphase Announces Availability of the Dual-Port SlotOptimizer 562GL and the Quad-Port SlotOptimizer 564GL PCI-Express Low Profile Gigabit Ethernet Adapters

Broadcom-Based 10/100/1000 Gigabit Ethernet Connectivity from a Single PCI Express Slot

PLANO, Texas – December 8, 2008 -- Interphase Corporation (NASDAQ: INPH), a leading international supplier of next-generation networking technologies, today announced the availability of two new members of the SlotOptimizer™ family; the 562GL PCI Express Low Profile Dual-Port, and the 564GL PCI Express Low Profile Quad-Port Gigabit Ethernet Adapters.

Providing the highest levels of overall system performance while conserving valuable PCI Express slots, the 562GL and 564GL are ideal solutions for the new generation of small footprint and rack mounted servers that have limited expansion options for multiple Ethernet connections. And, the 562GL and 564GL adapters support both Low Profile and Full Height brackets to accommodate both PCI Express architectures for maximum flexibility

Designed for high-end enterprise environments, the SlotOptimizer 562GL and 564GL adapters implement a highly efficient PCI Express bus for demanding network server applications. Each Gigabit Ethernet port on the SlotOptimizer 562GL and 564GL supports auto-negotiation allowing the cards to configure to the best possible mode of operation over a link, ensuring the highest possible performance.

“PCI Express-based small footprint and rack mount servers have become an emerging trend for today’s computing and communications platforms” said Randall McComas, Vice President, Global Sales and Customer Support at Interphase Corporation. “Interphase’s Low Profile PCI Express Gigabit Ethernet adapters are the right solution to remove system I/O bottlenecks while maximizing system density for mission-critical applications that require high-performance and flexible connections to multiple network segments.”

Based on the Broadcom Gigabit Ethernet controller, the 564GL features a x4 PCI Express interface, and four independent 10/100/1000 Mbps Ethernet ports with RJ45 connectors, while the 562GL features an x4 PCI Express interface, and two 10/100/1000 Mbps Ethernet ports with RJ45 connectors. In addition to delivering Gigabit Ethernet networking, the 562GL and 564GL support advanced features such as CPU task offload (TCP, IP, UDP checksum, and Microsoft Large Send Offload), priority queuing, Virtual LANs, jumbo frames, flow control, link aggregation and failover. 

Please contact Interphase for SlotOptimizer 562GL and 564GL pricing and availability.

About Interphase

Interphase Corporation (NASDAQ: INPH) is a leading provider of robust building blocks, highly integrated subsystems and innovative gateway appliances for the converged communications network.  Building on a 30-year history of providing advanced I/O solutions for telecom and enterprise applications and addressing the need for high speed connectivity, Interphase has established a key leadership role in delivering next generation AdvancedTCA® (ATCA), MicroTCA™ and AdvancedMC™ (AMC) solutions to the marketplace.  Headquartered in Plano, Texas with sales offices across the globe, Interphase clients include Alcatel-Lucent, Emerson Network Power, Ericsson, Fujitsu Ltd., Hewlett Packard, Motorola Inc., Nortel Networks Ltd. and Samsung. Interphase is a contributor member of the Scope Alliance and the Communications Platform Trade Association (CP-TA). Additional information about Interphase and its products is available on the company’s Web site at www.interphase.com.

Safe Harbor

This press release contains forward-looking statements with respect to financial results and certain other matters. These statements are made under the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995 and involve a number of risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Such risks and uncertainties include, without limitation, fluctuations in demand, the quality and price of similar or comparable networking products, access to sources of capital, general economic conditions in the company's market areas, and that future sales and growth rates for the industry and the company could be lower than anticipated.

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