Sonnet Expands ExpressCard Lineup; Offers Notebook Users FireWire 800 Adapter

IRVINE, CA– October 30, 2007– Sonnet Technologies, a leader in upgrades
and useful accessories for Apple Mac and notebook computers, announces the
immediate availability of the Sonnet FireWire 800 ExpressCard/34 adapter
for MacBook Pro computers and Windows notebook computers with ExpressCard
slots. This Sonnet card enhances notebook computers’ capabilities by
providing support for the fastest FireWire multimedia peripherals through
its dual, full-bandwidth ports.

Sonnet FireWire 800 ExpressCard/34 provides users the ability to connect
additional FireWire 800 (1394b) peripherals, such as external drives and
AJA Video Systems’ Io HD professional video interface and conversion
solution. The Sonnet adapter delivers the maximum data transfer speeds for
the fastest multimedia devices, satisfying the high-bandwidth demands of
video and pro-audio applications. This card works in ExpressCard/34 and
ExpressCard/54 slots, supports all FireWire 800 and FireWire 400 (1394a)
devices, and features hot-pluggable and hot-swappable device connection
with automatic device configuration.

Sonnet FireWire 800 ExpressCard/34 Compatibility

— MacBook Pro running Mac OS X Version 10.5

— PC notebook computer with ExpressCard/34 or ExpressCard/54 slot, running
Windows XP SP2 or Windows Vista (FireWire 800 speeds supported on Windows
XP SP2, and expected with the release of Vista SP1)

Pricing and Availability

Sonnet FireWire 800 ExpressCard/34 (part number FW800-E34) is available now
with the suggested retail price of USD $99.95

For more information on Sonnet’s FireWire 800 ExpressCard/34, visit the
Sonnet web site at:
(http://www.sonnettech.com/product/fw800expresscard34.html)

For more information on Sonnet’s lineup of ExpressCard/34, PCI Express,
PCI-X and PCI adapter cards, visit the Sonnet web site at:
(http://www.sonnettech.com/product/computercards/index.html)

About Sonnet Technologies, Inc.

Sonnet Technologies is a leading supplier of upgrade cards,
high-performance disk solutions and other accessories for Apple Macintosh
computers. Founded in 1986, Sonnet commemorates twenty years making
Macintosh upgrades. To locate an authorized reseller or purchase product,
visit the Sonnet Technologies web site at (http://www.sonnettech.com)