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I also think they're all made by Laing, but different brands spec them differently in various ways. Mine is a 1T Plus, which AFAIK is the same as the DDC 3.2 PWM - at least the names seem to be used interchangeably at times. There are also a bunch of clones, though as you say those aren't actually DDCs (the pumps Barrow bundles with their CPU pump mount are a good example of this), and some, like EK's VTX pumps, aren't actually DDC compatible at all even if the designs and form factors are similar.I would still recommend that you go through your pump's range and identify the least intrusive speeds, and then tweak your pump curve to keep to these levels rather than ramp smoothly. In my case, that made the pump go from 'kind of annoying in most scenarios' to 'I never even notice it'. This requires a bit more setup, but other than convention there's no reason why the pump needs a smooth temperature-controlled curve. Mine sticks to 1200rpm until fluid temperatures exceed a certain threshold or system load exceeds another threshold, at which point it ramps to 3400rpm and stays there until things cool down again.
I also think they're all made by Laing, but different brands spec them differently in various ways. Mine is a 1T Plus, which AFAIK is the same as the DDC 3.2 PWM - at least the names seem to be used interchangeably at times. There are also a bunch of clones, though as you say those aren't actually DDCs (the pumps Barrow bundles with their CPU pump mount are a good example of this), and some, like EK's VTX pumps, aren't actually DDC compatible at all even if the designs and form factors are similar.
I would still recommend that you go through your pump's range and identify the least intrusive speeds, and then tweak your pump curve to keep to these levels rather than ramp smoothly. In my case, that made the pump go from 'kind of annoying in most scenarios' to 'I never even notice it'. This requires a bit more setup, but other than convention there's no reason why the pump needs a smooth temperature-controlled curve. Mine sticks to 1200rpm until fluid temperatures exceed a certain threshold or system load exceeds another threshold, at which point it ramps to 3400rpm and stays there until things cool down again.
