CPU cooler / PC cooling
10 articles on this topic.
This hub covers the moment a cooling part looks almost right and someone needs to know if “almost” is good enough. That covers a fan with a visibly damaged blade still spinning — is it safe to leave in, or does the imbalance get worse under load? A single failed fan on a two-fan laptop — can it be replaced alone, or does the pair need to move together? A radiator that a case’s marketing doesn’t explicitly rule out — does it actually fit the mounting holes and clearance? A thermal paste or pad promising to fix recurring heat spikes — is that a real fix or a repackaged claim from the same factory that made the part running hot in the first place?
These questions start as one person describing their own machine, budget, and deadline in a forum post. The answers here come from checking that specific situation against manufacturer documentation, independent measurements where they exist, and what other owners of the same hardware reported after making the same call.
- Buycompatibilityr/MSI_Gaming
Noctua NH-L9i-17xx in a Compact MSI Prebuilt: Fit Check
The NH-L9i-17xx fits most compact MSI prebuilts only if the CPU is a socket LGA1700 Intel chip and the board is a standard mount.
- Buyhow tor/Dell
Noctua NF-A8 PWM in an OptiPlex 5060 SFF: Avoid Fan Errors
The NF-A8 PWM suits a 5060 SFF, but never splice it into the proprietary CPU fan connector; power it separately or from a free system fan header.
- Skipworth itr/ZephyrusG14
285H Real Sustained Wattage — Is Liquid Metal Worth It?
The Core Ultra 9 285H sustains about 80W before throttling in ASUS's own laptop, and factory liquid metal already covers what Conductonaut would add.
- Buycompatibilityr/MSI_Gaming
MSI Aegis at 110°C After Repasting: Does the NH-U12S Fit?
The Noctua NH-U12S fits standard MSI Aegis mid-tower cases; 110°C after repasting means the factory AIO pump has failed, not the paste job.
- Buyhow tor/Noctua
Wiring 3 Radiator Fans on One Noctua PWM Splitter
Use one Noctua NA-SC1 Sx2 three-way splitter for three fans, and wire each low-noise adaptor between the splitter and its own fan, never on the trunk line.
- It dependstroubleshootingr/Noctua
Broken NF-A12x25 G2 Blade? Stop the Fan
Do not keep using an NF-A12x25 G2 with a broken blade tip: missing rotor material creates an unknown imbalance that can worsen with speed.
- It dependsrecommendationr/HPOmen
Getting Genuine PTM7950 Before an HP Repaste Visit
Genuine PTM7950 fixes pump-out-driven laptop thermal spikes, but HP's onsite repair script won't apply it for you — here's what actually works.
- It dependsrecommendationr/AcerNitro
Upsiren U6 Pro Putty and Durable Nitro 5 Fan Replacements
U6 Pro's 12.8 W/m·K rating is a manufacturer figure, not a measured one — here's what to trust for AN515-54 putty and fan swaps.
- It dependstroubleshootingr/Hewlett_Packard
HP Pavilion Gaming 15-ec: Replace Just One Fan?
A single failed fan can be replaced without buying a pair, provided its part number, connector and housing match your Pavilion 15-ec.
- Skipcompatibility
NZXT H6 Flow: Why a 420mm Radiator Won’t Fit
The NZXT H6 Flow does not support a 420mm radiator. Keep the case with a compatible 360mm cooler, or change cases for 420mm support.









