Enthoo Primo - additional radiator question

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Joined
28 Nov 2011
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142
Morning all,

As the owner of an Enthoo Primo (yes it is old, but it still suits my requirements) with an Alphacool 420 radiator in the roof, and an EKWB CE280 radiator in the base (I like the 140mm fan sound signature) I am looking at fitting an additional 240mm radiator in the front/side of the case, and would ideally like to move my drain port here, so I need a multiport radiator.

The idea is to decrease the fan noise, by having additional cooling capability, and the new rad will be fitted with some Noctua 120mm redux fans that I already have (they were fitted on the HDD cage). The HDD cages are being removed, so my favourite place is the side mounted position, with the fans acting as an exhaust.

Current fans fitted to the 280mm bottom radiator are EK Vardar Evo ER on the bottom, and Artic P14 on top, on a phased curve, with the Vardars kicking in when temperatures approach a Delta T of 10 degrees. The 420mm rad has Noctua fans (NF-A14 PWM IIRC) in a pull config. I could add additional fans on the bottom, but gains will be marginal on a 30mm radiator. The front intake has another two Vardar Evo ER fans, and an exhaust is another Artic P14 (The artics are RGB as they are the only visible fans).

My current watercooling covers my RTX 3080 and my i9-9900k running a modest overclock. There are no plans to change this at the moment, as the PC does everything I want.

My thoughts were to add an Alphacool 240mm radiator, but I am not sure I could move my drain port to the bottom, due to clearance issues, which means that the Hardware Labs SR2 MP may be the best option. Has anybody got any old photos of a 240mm radiator fitted to the side of a Primo?

Is there any disadvantage of fitting the 240mm radiator to the front position as an intake? With this and the 280mm radiator acting as intakes, the case temperature will rise, but will it only be a few degrees or more? Any ideas?

That is a long winded post just to ask if I can fit a drain port underneath a radiator in either of the front positions on an Enthoo Primo?
 
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