Huntkey Jumper 550 is a modular and 80+ Silver Certificate PSU, at 50% load it running at nearly 90% efficiency. Furthermore, this power succeeds nicely for the short circuit test and overload test. We tested to overload it running at 710Watt, which is 160Watt higher than specified 550Watt.

http://www.pc-helpforum.be/f211/voedingen-review-500-t-m-600-a-27216/

"The Seasonic X-400 Fanless is a superb power supply. It's more than just an X-series PSU without a fan. It stands on its own as a product carefully engineered to serve its function, and it deserves our highest recommendation." - Mike Chin @ SPCR

"Quite simply put, for users looking for a quiet power supply solution it just doesn't get any better than the Seasonic X-400FL." - Kyle Bennett @ HardOCP

"The best 400w PSU available, Seasonics X-400FL excels in every area from build quality to electrical performance and does so while being completely silent." - Stuart Davidson @ HardwareHeaven

Revolution of the Power Supply - SeaSonic, the leading designer and manufacturer of switching power supply announces the first and only 80 PLUSR fanless power supply in the world, the X-Series Fanless models, X-400 FANLESS and X-460 FANLESS. With Sea Sonic’s leading technology, the X-Series Fanless achieves complete silence (0 dBA), the highest 80PLUSR Gold efficiency, and optimal flexibility with full modular design.

Not only in Mainland China, Huntkey has much more awards worldwide, Huntkey are OEM manufacturer for Lenovo, Dell, Carrefour,Bestbuy, Positivo(Brazil), Haier, etd, and we can also proudly say that we can earn Top 1 manufacture and export share among China brands. Established in 1992, Hunkey has been keeping the No.1 PSU brand in Chinese market and becomes the Top5 PSU manufacturer in the world (From:IMS).

Huntkey Enterprise Group was granted the "Perfect Quality Award" at Lenovo's Global Supplier Conference Award Ceremony held in Beijing Shangri-La Hotel. More than 300 of Lenovo's suppliers from all over the world gathered at the Shangri-La hotel to celebrate the ceremony. Only 24 suppliers among them were awarded. Huntkey, as one of the best suppliers of Lenovo won the key "Perfect Quality Award", by right of the stable and excellent quality, service, and technical support for its products. It gained Lenovo unanimous approval.

Specializing in technology of embedded software design for HDD Media Player and mobile audio & video equipment with all kind functions, Midte is professional software & hardware manufacture. Excellence in Quality & Cost-Effective/Performance by excellent production ablity.