The Be Quiet! Pure Power 9 series stands for peerless dependability and best-in-class features, including modular cables. Whether you're assembling a very quiet system, upgrading an existing PC, or building a multimedia or multi-GPU gaming system, your build will benefit from the Pure Power 9 power supply that simply has the best combination of features, performance and quality at a very popular price. Backed by a 3 year Be Quiet! warranty.