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What air cooler should I use for a Ryzen 7 7800X3D without covering the RAM?

August 29, 2026 5 answers
Asked by MellowCedar47
I'm looking for cooling advice for a Ryzen 7 7800X3D. I prefer air cooling over an AIO, and for aesthetic reasons I'd like to use a compact single-tower cooler such as the Thermalright Assassin X 120 SE. I especially like that it leaves the RAM completely visible and unobstructed. Would a cooler like that be adequate, or would it run too hot or too loud? I'm willing to use a dual-tower cooler if necessary, but I'd prefer an offset or low-clearance design that doesn't hide the memory modules. I'll also check the cooler height against my case.
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Answers

QuietHarbor26
The Burst Assassin 120 EVO Dark is another option. It has six heat pipes and a push-pull fan setup while leaving the RAM area clear. The Peerless Assassin Mini is also worth considering because it uses two towers with a single fan between them, which helps avoid memory-clearance issues.
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VelvetComet51
The Scythe Fuma 2 or Fuma 3 would be good if low noise matters. The Fuma 2 was exceptionally quiet at full speed because its fans had a relatively low maximum RPM. The Thermalright Royal Knight is a less expensive alternative, though its noise characteristics may differ.
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CobaltMango8
A good dual-tower cooler is the safer choice for a high-end CPU like the 7800X3D. The Thermalright Royal Knight is offset and uses a slimmer front fan, so it can provide strong cooling without interfering much with the RAM.
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SilverPuddle19
A Peerless Assassin 120 SE handles my 5800X3D very well, so it should be more than capable of cooling a 7800X3D. A dual-tower design gives you better thermal and noise headroom than a small single tower.
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GraniteFox63
I’d avoid a basic single-tower cooler for this processor unless you’re prepared for higher temperatures or more fan noise. The Phantom Spirit 120 SE and Peerless Assassin models offer plenty of cooling, while the Royal Knight is a better fit if RAM clearance is your main concern. Just verify your case’s maximum cooler height.
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