This is my current ram, you think i will have any issues?It fits into the case (158mm height, 160mm case clearance).
Though you may have ram clearance problems depending on ram modules used.
https://www.techpowerup.com/review/scythe-ninja-5/5.htmlWhile memory clearance on the Ninja 5 is improved, it still isn't all that great. While standard memory will fit with no problems, as will taller offerings due to the cutaway fins, the front fan destroys that clearance. Sure, the fan can be moved upward, but then the cooler's height increases as well. As such, even with the improvements, I would recommend sticking with standard-height memory or those with only slightly taller heatsinks, like G.Skill's Trident Z.
https://www.amazon.com/Cooler-Master-MasterLiquid-Close-Loop-MLW-D24M-A18PC-R2/dp/B086BYYFG5/ref=sr_1_2?dchild=1&keywords=cooler+master+cpu+cooler&qid=1591157428&sr=8-2Scythe ninja 5 has 55mm of ram clearance at the heatsink. Trident-Z's are 44mm tall.
It should work, if barely, the fan will be about touching the window.
But with the case clearance of the p300, any and all 120mm coolers that overhang that ram will have the same issue, 40mm for height of ram compared to heatsink difference + 120mm fan.
You will want a cooler that not only is shorter than 160mm, but doesn't overhang the 2nd ram slot.
I'd suggest the Scythe Fuma 2 instead. It's offset towards the rear and uses a 15mm fan in front, so the fan actually sits behind the ram, not on top.
what about the Corsair ICUE H100I RGB PRO XT?No. The ML240L is the 'lite' version, and not for its rgb. It's a downgraded pump, cheaper fans, basically every possible corner cut possible to save a few ¢ per unit. It's better brother the ML240R is considerably better in every way, from quality to performance.