be quiet! Pure Rock LP CPU Cooler Review

There is an expression that good things come in small packages and when the be quiet! Pure Rock LP landed on my desk for review, small was certainly one of the first impressions it gave me. – Primarily designed for use within compact systems where space can be at premium, the be quiet! Pure Rock LP (low-profile) CPU cooler certainly seems to easily fit that remit with it standing just 45mm tall and only 92mm across.

Being a be quiet! product, however, despite its small stature the Pure Rock LP still comes packed with masses of excellent features that shouldn’t just make this an ideal choice for MITX system designers, but also for many standard PC designs too!

DeepCool Gamerstorm Assassin III

Although size is the primary factor in the design of the Pure Rock LP, it still carries all of the key features users would expect from a be quiet! product. Namely, excellent cooling performance with low acoustic output. – Being such a small CPU cooler, however, it will be interesting to see how this translates into actually handling temperatures while keeping noise levels as minimal as possible. In terms of radiator size (and even fan potential), on the surface, this doesn’t have much real estate to work within.

Admittedly, one key factor of the Pure Rock LP is undoubtedly the fact that it is only officially rated for processors with a maximum TDP of 100W. So, in other words, the realistic application for this is more in the remits of entry to mid-tier (modern) CPUs. Put simply, if you have an Intel i9-13900K, I wouldn’t be looking at this as my cooling solution. Nor, indeed, if you’re planning for any kind of notable levels of overclocking. – Think more along the lines of stock performance AMD Ryzen 5 or Intel Core i5.

For those CPUs which do fall into that 100W remit, however, if you’re looking for a potent and compact cooling solution, then the be quiet! Pure Rock LP could undoubtedly represent an excellent choice!


  • Extremely compact design for small form factor systems
  • With a height of a mere 45mm, the Pure Rock LP fits in nearly any case
  • be quiet! 92mm high-quality fan offers quiet and reliable cooling with max. 30.6dB(A)
  • 3 high-performance 6mm heat pipes
  • User-friendly mounting kit for Intel and AMD
  • 3-year manufacturer’s warranty

Technical Information

For more in-depth specifications, please visit the official product page via the link here!

Socket Compatibility

Product Dimensions

What Does be quiet! Have To Say?

“The Pure Rock LP fits into the tightest systems and is your CPU cooler of choice for ultra-compact Mini-ITX builds that require reliable cooling. – With its remarkably small dimensions and yet high enough cooling power, the Pure Rock LP is the silent air cooler to go with for HTPCs and small multimedia or gaming systems.”

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Mike Sanders

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