N2Power's Space-Saving 260W AC-DC Switcher Selected as Elektra Awards Finalist


Recognition for innovative power supply that's over 30% smaller than rivals

Simi Valley, CA - N2Power, a division of Qualstar Corporation (NASDAQ: QBAK), announces that its XL375CC convection cooled 260W AC-DC switching power supply has been selected as a finalist in the prestigious Elektra Awards, a major European industry event. A panel of industry experts chose the product as one of four finalists in the 'Power' category. The winner will be announced at a gala dinner held at the Park Plaza hotel, London on December 12, 2012.

N2Power's 260W XL375CC unit is 31.25% smaller by volume than its 250W rivals, achieving an unprecedented 10.5W/in3 power density without compromising either features and functionality or a maximum efficiency of 93%. Then XL375CC is just 5 x 3.3 x 1.5 inches, a total volume of 24.75 cubic inches. The substantial increase in power density has been achieved through creative use of the latest component technologies and an innovative mechanical design that maximises airflow in and around the unit.

N2Power's Vice President of Sales, Randy Johnson, said, "It's a great privilege to be named as a finalist in this important European awards event. We're delighted that the skills and experience of our power supply design team are recognized in this way as we continue to develop AC-DC power supplies with an outstanding combination of power density and efficiency."

N2Power power supplies are sold worldwide through a network of authorized representatives and distributors. Call +1 805 583 7744, or visit www.n2power.com for more information.

For further information and reader enquiries:

Bob Covey

Qualstar Corp.

Tel: +1 805 583 7744 ext. 143

covey@qualstar.com

Technology PR agency:

Bob Jones, Publitek

Tel: +44 (0) 1225 470000

E-mail: n2power@publitek.com

About Qualstar Corporation

Qualstar manufactures automated tape libraries and power supplies. Its products are known throughout the world for energy efficiency and rugged, Simply Reliable designs yielding years of trouble-free operation. Qualstar tape libraries are sold, installed and supported worldwide to backup, archive and protect data from incidental and catastrophic loss. Its N2Power brand switching power supplies are sold worldwide to OEM manufacturers who require both industry- leading high power efficiency and very small size for their products. Qualstar Corporation is publicly traded on the NASDAQ National Market under the symbol QBAK. More information is available at www.qualstar.com, www.n2power.com or by phone at 805-583-7744.

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