Cooler Master
Cooler Master Hyper 212 Black CPU Air Cooler
Bottom line: The Cooler Master Hyper 212 Black CPU Air Cooler ($39.99 on Amazon as of 2026-10-20 16:16 UTC, orderable but not in stock): Four copper heat pipes plus copper base, rated for R7 and i7 class chips; main trade-off: air cooler ceiling: no match for a 240mm AIO on overclocked flagships.
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*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Four copper heat pipes plus copper base, rated for R7 and i7 class chips
- ✓ SickleFlow 120 Edge PWM fan spins down to 690 RPM at idle
- ✓ One bracket kit covers AM5, AM4, LGA 1851, LGA 1700 and LGA 1200
- ✓ 152mm height clears most mid-tower side panels
- ✓ CryoFuze nanoparticle thermal paste included, no separate purchase
Cons
- ✗ Air cooler ceiling: no match for a 240mm AIO on overclocked flagships
- ✗ 2,500 RPM top speed is audible when the fan ramps under full load
- ✗ Blacked-out design has no RGB or ARGB lighting
- ✗ Single 120mm fan out of the box, not a dual-fan push-pull setup
Manufacturer description
The Cooler Master Hyper 212 Black brings the series' most recognizable air cooler back with a blacked-out, minimalist finish that disappears into a dark build instead of fighting it. Four copper heat pipes make direct contact with the CPU through a copper base, pulling heat off AMD Ryzen 7 and Intel Core i7 class chips and spreading it across the aluminum fin stack under a clean aluminum top cover. The included SickleFlow 120 Edge fan runs on dynamic PWM between 690 and 2,500 RPM, so it idles quietly during desktop work and only ramps when a render or a long gaming session actually demands…
SpecPicks Verdict
SpecPicks scored Cooler Master Hyper 212 Black CPU Air Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. Cooler Master's processors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for processors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Does the Hyper 212 Black fit AM5 and LGA 1700 sockets?
Yes. It ships with redesigned brackets covering AMD AM5 and AM4 plus Intel LGA 1851, LGA 1700, and LGA 1200, so no separate mounting kit is needed for current AMD or Intel platforms.
Will it fit in my case?
The cooler is 152mm tall. Check your chassis spec sheet for maximum CPU cooler clearance; most mid-tower cases list 155mm or more, but small-form-factor builds often cap lower.
Do I need to buy thermal paste separately?
No. CryoFuze nanoparticle thermal paste is included in the box, so you can mount the cooler and finish the build without a second purchase.
How loud is the fan?
The SickleFlow 120 Edge uses dynamic PWM from 690 to 2,500 RPM. At the low end during idle and light desktop work it is designed for low noise; it only reaches the 2,500 RPM top end under sustained load.
Is this enough cooling for a Ryzen 7 or Core i7?
Cooler Master rates the four heat pipe and copper base design specifically for AMD R7 and Intel i7 class processors. It is largely used as a stock-cooler replacement.
Key Features
- Cool for R7 | i7: Four heat pipes and a copper base ensure optimal cooling performance for AMD R7 and Intel i7.
- Quiet Cooling Fan: SickleFlow 120 Edge with Dynamic PWM control (690–2,500 RPM), designed for low noise and peak cooling performance.
- Simplify Brackets: Redesigned brackets simplify installation on AM5 and LGA 1851|1700 platforms.
- Versatile Compatibility: 152mm tall design offers performance with wide chassis compatibility.
- Easy Installation: Easy to install with included thermal paste for hassle-free setup and optimal cooling performance.
Full Specifications
| Brand | Cooler Master |
|---|---|
| Model | RR-S4KK-25SN-R1 |
| Voltage | 12 Volts |
| Wattage | 2.4 watts |
| Material | Aluminum, Copper |
| Unit Count | 1.0 Count |
| Noise Level | 26 Decibels |
| Part Number | RR-S4KK-25SN-R1 |
| Material Type | Aluminum, Copper |
| Cooling Method | Fan |
| Number of Items | 1 |
| Cool for R7 | i7 | Four heat pipes and a copper base ensure optimal cooling performance for AMD R7 and Intel i7. |
| Air Flow Capacity | 42 Cubic Feet Per Minute |
| Easy Installation | Easy to install with included thermal paste for hassle-free setup and optimal cooling performance. |
| Quiet Cooling Fan | SickleFlow 120 Edge with Dynamic PWM control (690–2,500 RPM), designed for low noise and peak cooling performance. |
| Simplify Brackets | Redesigned brackets simplify installation on AM5 and LGA 1851|1700 platforms. |
| Compatible Devices | Desktop |
| Included Components | Hyper 212 Black, Install Kit |
| Power Connector Type | 4-Pin |
| Warranty Description | 2 Years |
| Full listing title | Cooler Master Hyper 212 Black CPU Air Cooler – 120mm High Performance PWM Fan, 4 Copper Heat Pipes, Aluminum Top Cover, Low Noise & Easy Installation, AMD AM5/AM4 & Intel LGA 1851/1700/1200, Black |
Ready to buy?
Cooler Master Hyper 212 Black CPU Air Cooler – 120mm High Performance PWM Fan, 4 Copper Heat Pipes, Aluminum Top Cover, Low Noise & Easy Installation, AMD AM5/AM4 & Intel LGA 1851/1700/1200, Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
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