19 - 03 - 2024
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be quiet pure power 11 700wa

   As demand for high-quality yet affordable power supply units is still (and probably will never cease to be) on the rise it's only normal to see more and more manufacturers get behind to promote such models rather than their higher-end and far more expensive brothers. Some compromises of course are to be expected in order to keep production costs to a minimum (such as semi-modular or fully hardwired models with not very long features lists) but from what we've seen recently some of these PSUs manage to hold their own when compared to much more expensive models. Be quiet! likes to update their product lines at least once per year and so the announcement of their brand new Pure Power 11 line of PSU's a couple of months ago didn't come as a surprise to us. So today we'll start covering that line by testing the Pure Power 11 700W model (L11-700W) first.


   be quiet! is a premium brand of power supplies, PC cases and cooling solutions for desktop PCs. Consistently the leader in the German PC power supply market since 2007*, be quiet! is one of the most successful PSU brands in Europe. This enduring success is largely thanks to the typical German passion for quality and precision. All product conception, design and quality control is performed in Germany. German expertise is evident the moment an idea is born and throughout the entire design and production process. be quiet! never releases a product until it meets the highest expectations. All materials used – from the smallest screws to the metals in the cases – are tested to rigorous standards. That is why be quiet! power supplies, PC cases, CPU coolers and case fans are among the most silent, powerful and reliable on the market. Innovative engineering concepts coupled with an uncompromising choice of premium materials and world-class manufacturing quality make be quiet! second to none when it comes to noise reduction. With over ten years of experience, be quiet! are truly the quietness experts.


   The Pure Power 11 line of PSUs by be quiet! includes two sub-lines the L11 which includes 6 wattage models (300/350/400/500/600/700W) and the L11-CM which currently consists by 4 wattage models (400/500/600/700W). The main difference between these two sub-lines is their design so whereas the L11 models feature all their power cables hardwired into the main chassis the L11-CM sub-line is semi-modular so you can save some space by not using every single power cable in the bundle. The Pure Power 11 700W L11 model which we're testing today (840W max) features an 80 Plus Gold certification (electrical efficiency up to 92%), two 12V rails (56A with a maximum supported power of up to 672W), support for multiple graphics cards (four 6+2 pin PCIe connectors), active PFC, DC to DC power conversion and a plethora of available electrical protections including OCP (over charge protection), OVP (over voltage protection), UVP (under voltage protection), SCP (short circuit protection), OPP (over power protection) and OTP (over temperature protection). Be quiet! also covers the entire Pure Power 11 line with a 5 year limited warranty.