Be quiet! power supplies are characterised by minimal operating noise, outstanding workmanship, high efficiency and maximum protection and reliability. Thanks to these features, the well-known power supply manufacturer is one of the most popular brands in this segment. The System Power 9 series is no exception to this rule. With an outstanding price/performance ratio, excellent efficiency and high-quality workmanship, these compact power supplies are directed primarily towards system integrators and price-conscious system builders. The be quiet! System Power 9 at a Glance:Fantastic price/performance ratioStable power supply thanks to DC-DC technology4x 6+2-Pin connectors for multi-GPU systemsQuiet, high-quality, temperature controlled 120 mm fanStand-by power consumption of less than 0,15 WattsComes complete with the most important electrical protection technologyThe be quiet! System Power 9 in Detail:The discreetly designed System Power series of power supplies have a low installation depth of just 14 cm, which makes them compatible with older and smaller cases. Cooling is provided by a 120 mm fan with automatic speed adjustment. The power supply unit produces just 9,2 dB(A) at around 20% load, which is exceptionally quiet. Thanks to numerous energy-saving and efficiency-enhancing measures, electricity consumption and heat generation are both very low. Even the standby consumption is low at an incredible 0,15 Watts. At loads of 20, 50 and 100% the power supply achieves an efficiency of up to 89% to earn an 80Plus certification. With a 600 Watt rating, this power supply is a powerful entrant to the System Power 9 series, capable of producing more than enough power for many different scenarios. In addition to powerful 3,3 V- and 5V rails, which are especially stable thanks to DC-DC technology, it is the two 12 V rails rated at 28 und 22 A which are truly impressive due to their ability to output 576 Watts. Multi-core CPUs, GPUs or RAID setups will all be powered flawlessly - perfect for any system builder. A broad range of connections are available on this power supply. A 20+4-pin- and a 4+4-pin ATX connector supply power to the motherboard. Four 6+2-pin connectors are provided for the graphics cards. Six SATA- and two Molex connectors enable an extensive range of peripherals to be connected. All cables come sleeved and attached to the power supply. Be quiet! has also provided a long 3 year warranty period for their power supplies as well as a range of important protections e.g. over- and undervoltage, overcurrent, short-circuit protection, overheating and overload protection.Specification:Dimensions: 150 x 86 x 140 mm (W x H x D)Fans: 120 mmEfficiency: 89 % incl. 80Plus certificationActive PFCForm Factor: ATX12V / EPS12VPerformance: 600 W+3,3V: 24 A+5V: 15 A3,3V+5V: 120 W+12V1: 28 A+12V2: 22 A+12V (total): 576 W-12V: 0,3 A (3,6 W)+5Vsb: 3 A (15 W)Connectors:1x 20+4-Pin (ATX12V / EPS12V)1x 4+4-Pin (ATX12V / EPS12V)4x 6+2-Pin PCIe6x SATA2x 4-Pin MolexCable Length: 55 - 91 cm