[grogi]

Be Quiet Dark Power 1000W PSU
"Today, a large percentage of enthusiast user is trying to build a very quiet or even inaudible computer system. We all know that quiet cooling fans are only a part of the "silent solution"; an efficient, quiet power supply unit is a must when building a low noise computer. Although still not very well known to enthusiasts worldwide, Be Quiet (a subsidiary company of Listan which originates from Germany) designs and builds some of the best noiseless power supply units out there. Be Quiet units have never disappointed us in the past, but while they perform extremely well by any standard, they also tend to cost quite a lot. Today we will take a look at the most powerful silent unit they have available, the DarkPower Pro 1kW."

Seasonic X900 SS-900HP 900w PSU
"Seasonic X900 Power Supply – Ultimate Power & Performance

The Seasonic X900 is designed and built for power, performance, stability and reliability as demanded by power users, gamers and over-clockers. The X900 is a true 900W output power unit with a peak output of over 1,000 watts.

Seasonic X900 is equipped with multiple +12V rails to support high-end graphic cards’ need with a total power output of 72 amps. A Double Forward Converter circuit design achieves a 99% Active Power Factor Correction and an industry-leading efficiency rating of up to 88%. Additionally, the power supply utilizes a Dual Magnetic Amplifier circuit to maintain a class-leading 3% line regulation tolerance on all +12V output rails to meet the demands of high-end graphics cards, CPU’s and peripherals for accurate and stable power output."

Hiper HPU-5K770 PSU
"For review today I have Hiper's brand spanking new HPU-5K770 PSU. The PSU is a 770w hardwired model claiming to support Quad-SLi and CrossFire, and including five USB ports. But does it live up to expectations? And who are Hiper exactly? From the HPU-5K700 press release"