be quiet!
be quiet! Dark Rock 4 200W TDP CPU Cooler| Intel 1700 1200 2066 1150 1151 1155 2011 Square ILM | AMD4 AMD5 | Black | BK021
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
Dark Rock 4 offers an extreme cooling performance and virtually inaudible operation. Perfect for overclocked systems and demanding workstations.silent Wings 135mm PWN fan features an advanced fluid-dynamic bearing and a smooth 6-Pole motoroptimal balance of cooling and quietness with only 21.4Db(a) at maximum fan speedsix high-performance copper heat pipes that provide Maximal heat conductancewave-contoured cooling fins for increased air circulationspecial Black coating with ceramic particles enables perfect heat transfersupports an additional 120mm fan; clips are included in scope of…
SpecPicks Verdict
SpecPicks classifies be quiet! Dark Rock 4 200W TDP CPU Cooler| Intel 1700 1200 2066 1150… as a category leader on buyer feedback in the cooling & fans category, based on 4,310 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. be quiet!'s positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for cooling & fans 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Large, well-vetted feedback pool (4,310 reviews)
- ✓ WARRANTY: Backed by a trustworthy 3-year manufacturer’s warranty.
- ✓ Backed by be quiet!'s warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- QUIET PERFORMANCE: Features a virtually inaudible Silent Wings 135mm PWM fan, producing only 21.4dB(A) at peak speed.
- EFFICIENT COOLING: Employs 6 high-performance copper heat pipes complemented by airflow-optimized, wave-contoured cooling fins for maximum heat dissipation.
- FLEXIBLE SETUP: Comes with an easily installable black installation kit that mounts from above, and supports an additional 120mm fan with clips included.
- WARRANTY: Backed by a trustworthy 3-year manufacturer’s warranty.
- German Design I German Engineering I German Quality I German Performance
Full Specifications
| Brand | be quiet! |
|---|---|
| Voltage | 12 Volts |
| Wattage | 125 |
| Material | Copper |
| WARRANTY | Backed by a trustworthy 3-year manufacturer’s warranty. |
| Unit Count | 1.0 Count |
| Noise Level | 21.4 Decibels |
| Material Type | Copper |
| Cooling Method | Air |
| FLEXIBLE SETUP | Comes with an easily installable black installation kit that mounts from above, and supports an additional 120mm fan with clips included. |
| Item Type Name | BK021 Dark Rock 4 CPU cooler 135mm fan and extremely high cooling performance (200W TDP) |
| EFFICIENT COOLING | Employs 6 high-performance copper heat pipes complemented by airflow-optimized, wave-contoured cooling fins for maximum heat dissipation. |
| QUIET PERFORMANCE | Features a virtually inaudible Silent Wings 135mm PWM fan, producing only 21.4dB(A) at peak speed. |
| Compatible Devices | Desktop |
Ready to buy?
be quiet! Dark Rock 4 200W TDP CPU Cooler| Intel 1700 1200 2066 1150 1151 1155 2011 Square ILM | AMD4 AMD5 | Black | BK021 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
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