be quiet! Pure Rock 3 LX
Efficient and Silent Air Cooling
The be quiet! Pure Rock 3 LX is a premium air CPU cooler designed for users who demand excellent thermal performance without compromising on acoustics. Standing at just 154mm tall, this compact tower cooler fits most mid-tower cases and delivers reliable cooling for both AMD and Intel platforms, including the latest AM5 and LGA 1851 sockets.
Key Features
- Universal Socket Support: Compatible with AMD AM4/AM5 and Intel LGA 1851/1700/1200/1150/1151/1155/1156, making it a versatile choice for current and recent builds.
- Quiet Operation: With a noise level of only 31.2 dB(A), the Pure Rock 3 LX operates whisper-quiet even under load, ideal for noise-sensitive environments.
- Efficient Cooling: A 2000 RPM fan paired with a well-optimized heatsink ensures excellent heat dissipation for mainstream CPUs.
- Compact Design: At 154mm in height, it offers broad case compatibility, fitting most ATX and micro-ATX cases without clearance issues.
- Easy Installation: The mounting system is straightforward, with clear instructions and all necessary hardware included.
Performance and Use Cases
The Pure Rock 3 LX is perfect for gamers, content creators, and PC enthusiasts building a system with mid-range to high-end CPUs like the Ryzen 5/7 or Core i5/i7. It efficiently handles typical workloads, including gaming, streaming, and productivity tasks, while maintaining low noise levels. Its 5.4W power consumption is minimal, contributing to overall system efficiency.
Whether you're upgrading an existing build or constructing a new one, the be quiet! Pure Rock 3 LX offers a balanced combination of performance, acoustics, and value. Backed by be quiet!'s reputation for quality, this cooler is a reliable choice for long-term use.
Key Specifications
Detailed Parameters
- Supported Sockets:
- LGA 1150, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1851, LGA 1700, AM4, AM5
- Height in mm:
- 154
Pros
- Excellent cooling performance for mainstream CPUs
- Very quiet operation at 31.2 dB(A)
- Broad socket compatibility including AM5 and LGA 1851
- Compact 154mm height fits most cases
- Easy installation with clear instructions
Cons
- May not be sufficient for extreme overclocking on high-end CPUs
- Single fan design limits maximum airflow compared to dual-fan coolers
- No RGB lighting (if aesthetics are a priority)

