be quiet!
be quiet! Pure Rock Pro 3 LX CPU Air Cooler
Status: be quiet! Pure Rock Pro 3 LX CPU Air Cooler: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.
Bottom line: The be quiet! Pure Rock Pro 3 LX CPU Air Cooler: 6 copper 6mm heat pipes with HDT direct-contact nickel-plated base; main trade-off: single 120mm fan ships with a dual-tower stack, not two.
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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: be quiet! Pure Rock 3 LX CPU Air Cooler — $24.90 on Amazon as of 2026-10-21 04:20 UTC (price may vary).
Similar: be quiet! Pure Rock Pro 3 Black CPU Air Cooler — $54.90 on Amazon as of 2026-10-21 20:20 UTC (price may vary).
Similar: Thermalright Assassin Spirit 120 EVO Black CPU… — $25.39 on Amazon as of 2026-10-21 16:20 UTC (price may vary).
Pros & Cons
Pros
- ✓ 6 copper 6mm heat pipes with HDT direct-contact nickel-plated base
- ✓ Offset dual-tower layout clears tall RAM and VRM heatsinks
- ✓ Front fan height is adjustable for stubborn memory kits
- ✓ AM5 offset mounting recenters the base over the CPU hot spot
- ✓ 16 hub LEDs light frosted blades for even ARGB diffusion
Cons
- ✗ Single 120mm fan ships with a dual-tower stack, not two
- ✗ No LGA 1851 or Threadripper support listed in the socket table
- ✗ Double-tower depth can crowd narrow mid-tower side panels
- ✗ ARGB needs a motherboard header; no controller listed in the kit
Manufacturer description
The be quiet! Pure Rock Pro 3 LX is a dual-tower air cooler built around six 6mm copper heat pipes with HDT direct-contact and a nickel-plated base, aimed at builders who want overclock-ready thermals without a liquid loop. A 120mm Light Wings LX ARGB PWM fan sits up front, using funnel-shaped air outlets and airflow-optimized blades to push more air through the fin stack than a standard 120mm frame would. Sixteen LEDs ring the impeller hub and throw light outward onto frosted blades, so the lighting reads as a diffused glow rather than a row of hot spots. Despite being a double-tower…
SpecPicks Verdict
SpecPicks scored be quiet! Pure Rock Pro 3 LX CPU Air Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. be quiet!'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
Which CPU sockets does the Pure Rock Pro 3 LX support?
It supports AMD AM4 and AM5, plus Intel LGA 1700, 1200, 1151 and 1150. AM5 builders can also use the included offset mounting to center the base plate over the CPU hot spot.
Will it fit over tall RAM?
be quiet! designed the compact offset layout specifically to improve RAM and VRM clearance on a double-tower cooler, and the front fan height is adjustable if a tall kit still interferes.
How many fans are included?
The cooler ships with a 120mm Light Wings LX ARGB PWM fan featuring funnel-shaped air outlets and airflow-optimized blades. Check the product listing to confirm the exact fan count in the current bundle.
How does the ARGB lighting work?
Sixteen LEDs sit inside the fan hub and shine outward onto frosted blades, producing a diffused glow. Confirm header type and controller compatibility on the product listing before ordering.
Is it hard to install?
be quiet! describes the mounting kit as self-explanatory and quick to attach. Buyer feedback highlights installation as one of the features the brand calls out.
Key Features
- Pure Rock Pro 3 LX features 6 high-performance copper heat pipes with nickel-plated base. As a result, this high-end cooler always keeps your CPU at peak performance, even in overclocked systems and demanding workstations. The performance is further increased by funnel-shaped air outlets on the Light Wings LX 120mm PWM fans, which increases airflow over the fins. In addition, the fan blades are optimized for maximum airflow, making this fan the ideal match for Pure Rock 3 LX.
- 16 LEDs are located inside the hub of the impeller of the Light Wings LX 120mm PWM fans and shine outwards onto the frosted fan blades. This creates an unmistakable look and enables you to express your creativity.
- Despite being a double-tower air cooler, Pure Rock Pro 3 LX’ compact offset design increase RAM and VRM cooler compatibility significantly. The height of the front fan can be adjusted, if needed.
- Installation is easier than ever with the Pure Rock Pro 3 LX. Its mounting kit is self-explanatory and easy to use, making attaching the cooler a breeze. Users of an AM5 CPU by AMD can benefit from an offset mounting to center the base plate above the hot spots of their CPU.
- Powerful. Strong. Unshakable. The Pure Rock Pro 3 LX makes a statement not only in performance, but also in design. We made sure the cooler leaves a lasting impression in your PC. Despite its striking appearance with ARGB lighting, its lines are discreet, perfectly combining power and elegance.
Full Specifications
| Brand | be quiet! |
|---|---|
| Model | BK043 |
| Voltage | 12 volts |
| Wattage | 250 watts |
| Material | Aluminum |
| Set Name | Pro 3 LX |
| Unit Count | 1 Count |
| Noise Level | 34.8 db |
| Part Number | BK0 |
| Compatibility | PC |
| Material Type | Aluminum |
| Cooling Method | Air |
| Number of Items | 1 |
| Compatible Devices | Intel sockets: 1851/1700/1200/1151/1150/1155 | AMD sockets: AM5/AM4 |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 2000 rpm |
| Item Dimensions L x W x H | 5.47"L x 4.88"W x 6.1"H |
| Global Trade Identification Number | 04260052192528 |
| Full listing title | be quiet! Pure Rock Pro 3 LX CPU Air Cooler | 6 High Performance 6mm Heat Pipes with HDT Technology | 120mm Quiet ARGB PWM Fan | AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200 | Black | BK043 |
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