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As the North American Authorized and ISO 9001:2008 Registered Distributor of N2 Power, Power Sources Unlimited, Inc. brings you the best in product selection assistance and product pricing for your requirements.

In July 2002, Qualstar purchased the assets of N2Power, Inc., a supplier of ultra-small high efficiency open-frame switching power supplies. Power supplies are sold with the N2Power brand name, as well as under private label brand names to original equipment manufacturers.

On June 30, 2014, Qualstar formed a Singapore corporation as part of its plan to hire and expand our engineering and product development staff in Singapore, in order to support Qualstar's overall product expansion.

Qualstar is a global data storage and power solutions provider. Headquartered in Southern California, the company has strategic international presence in Singapore and South Korea. In addition to our business development resources, we service our key customers and markets via our expanding base of resellers and global distribution.

N2Power Solutions R & D facility is also located in Simi Valley, California. N2Power utilizes fully-certified contract manufacturers in Asia to produce our world-class power solutions products.