Power of Two. The fan then should spin slowly and quietly until around 50% load (430 W) when the fan will gradually spin faster depending on load. … The Prime line uses a new platform, proprietary of Seasonic. At the front of the power supply there are the 10 slots for the modular cables. Power supply fan modes -- Comment from Seasonic rep on another forum regarding hybrid silent fan mode. I put my Seasonic Platinum 650W in hybrid mode a long time ago and forgot about it. Make sure that the fan control switch on the power supply is set to Normal Mode (S2FC). On the right, there is a button labeled “Hybrid mode” which will turn on or off the Seasonic Hybrid Silent fan control system. While “hybrid sleep” is a cryptic … On the left side, the AC slot and the On/Off switch are located. 1. I know a number of us have seasonic PSUs in our XPS 8700 or 8500 or 8900s. The active cooling is done by the Hong Hua 135mm fan while the passive cooling of the components is ensured by 4 metallic heatsinks. As a leading provider of silent power supply, Seasonic this time around delivers a true breakthrough solution for thermal and noise management. I spoke with Amazon and they agreed to take it back. I should have stuck with an EVGA psu. (In Hybrid or Fanless Mode (S3FC) the fan will not spin.) In Normal mode, the fan runs continuously, whereas it runs only when needed in Hybrid mode. According to Seasonic's customer service "Nothing indicates that there should be a problem" "The fan should also be kicking on regardless of hybrid mode is on or off." I had a question about the Hybrid Silent Fan control that the PSU comes with. The Hybrid mode allows the power supply to function with the fan switched off until a temperature stage is reached. Posted by 8 years ago. Seasonic recommends the fan facing up with hybrid mode enabled and this is what the corsair PSU is forced to use. The Hybrid Silent Fan Control setting (the “O” position, or when the fan control button is NOT pressed) enables the power supply to run in Fanless Mode up to 20 % (± 5 %) of the maximum rated load. This is because hybrid sleep overrides regular sleep. Close. When the load further increases, the S 3 FC fan control will keep regulating perfect cooling through the Silent Mode or Cooling Modes. If you want to perform a hybrid sleep, simply enable it as above, then select the regular “Sleep” option in the shutdown options to activate a hybrid sleep. ATTENTION! Feb 8, 2013 #10 T. TempestBlayze n00b. I bought a Seasonic x750 Gold PSU 5 months ago because I wanted to avoid something like this since I know Seasonic is one of the best out there. This was after I told them that the fans would not turn on at all. The fan has a hybrid mode where the fan can not run until it gets warm, or a mode … In "Hybrid" fan mode, the SeaSonic SS-860XP² PSU's fan should not operate until approximately 30% load is applied (about 260 W). The advice is separated based on the hybrid fan setting, you're reading the section with hybrid fan mode OFF. The X Series adopts a clever “Hybrid Silent Fan Control” design, which offers three distinct operation modes, fanless mode, silent mode, and cooling mode. The back of the PSU comes with a switch that says fan control, and the options are Hybrid or Normal. Off/O is Hybrid, On/I is "normal" mode. Hybrid fan mode runs the fan slower. Typical of SeaSonic, the PSU sports hybrid fan control, which can be turned on or off by means of a switch. Question about the hybrid silent fan control on new Seasonic PSU. Them that the PSU comes with a switch that says fan control will regulating! 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