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INTRODUCTION
Antec has recently launched a brand new line of power supply called Signature Series. In Antec’s own word, the Signature series is designed to “appeal to system builders looking for a truly premium power supply." Antec claims that the power supply has “many cutting-edge features, several of which have never before been offered in a consumer power supply”.
The Signature line of power supply features DC to DC voltage regulator modules to ensure greater system stability, and an 80mm Pulse Width Modulation (PWM) fan which Antec claims that it can run up to 50% quieter than standard fans. The Signature power supply also passes 80 PLUS Bronze certification, which ensure that 82% or higher efficiency at 20%, 50%, and 100% load. All these technologies that Antec has incorporated into their Signature power supply is aim to deliver a clean, efficienty, and quiet power supply to the users.

There are two PSUs in the Signature series: an 850W and a 650W. We have received the 650W unit for review. The SG650 is currently selling at $229.95 retail but as always you can find much cheaper over at various online retailer. A quick search over at Newegg shows that the power supply can be purchased at $169.99. It is slightly more expensive than other 650W power supply. Does its performance justify the price premium? Let’s find out.
About Antec
Antec, Inc. is the global leader in high-performance computer components and accessories for the gaming, PC upgrade and Do-It-Yourself markets. Founded in 1986, Antec is recognized as a pioneer in the industry and has maintained its position as a worldwide market leader and international provider of quiet, efficient and innovative products. Antec has also achieved great success in the distribution channel, meeting the demands of quality-conscious system builders, VARs and integrators.
Whether you’re a gamer looking for that cutting-edge case or a system integrator seeking a reliable and efficient power supply, you’ve got a lot of factors to consider, from performance to stability to style. As the leading global provider of high performance PC components, we believe in delivering products that not only meet your expectations, but exceed them. Your computing experience should be quiet, efficient, cool and elegant; we don’t believe in compromise, and neither should you.
Disclosure: Bjorn3D review products are sometimes provided by the vendors who manufacture the hardware. Review samples are in some cases retained by the reviewer that reviews the product for further comparison to other similar products. Companies that buy ads on the site do not get any special treatment when it comes to reviews and any ad-sales are not connected to the reviews or the review scores.

