Be Quiet Pure Rock 3 LX ARGB CPU Air Cooler BK040

Highlights

• Light Wings LX 120mm PWM ARGB fan with funnel-shaped air outlet for focused airflow
• Four black 6mm heat pipes with HDT technology for efficient heat transfer
• Compact heatsink (46 x 124 x 154 mm) for high RAM and VRM cooler compatibility
• Preinstalled mounting bridge for faster installation and AM5 offset mounting to center the heat pipes
• All-black design with ARGB illumination from frosted fan blades
• Supports CPUs up to a TDP of 190 W
• Low noise levels: 12.4 / 24.4 / 31.2 dB(A) at 50/75/100% fan speed

Who should buy it

Choose this cooler if you need a compact, high-capacity air cooler for gaming, multimedia or mainstream builds that also keeps RAM and VRM areas clear. Users needing larger or extreme cooling solutions should consider bigger tower coolers or liquid cooling options.

Compatibility

Compatible with Intel sockets 1851, 1700, 1200, 1150, 1151 and 1155, and AMD sockets AM5 and AM4. It is intended for consumer PCs including gaming, multimedia, graphics systems and mainstream/entry-level computers.

• Intel sockets: 1851, 1700, 1200, 1150, 1151, 1155
• AMD sockets: AM5, AM4
• Designed for consumer PCs including gaming, multimedia, graphics systems and mainstream/entry-level computers

What's in the box

• Thermal grease (Type): Applied
• Mounting set: Intel & AMD
• User manual (languages listed on product page)

Frequently asked questions

Does the Pure Rock 3 LX (BK040) support my motherboard socket (list of sockets supported)?

The cooler supports Intel sockets 1851, 1700, 1200, 1150, 1151 and 1155, and AMD sockets AM5 and AM4.

What is the cooler’s maximum supported TDP?

The stated TDP support is 190 W.

What are the exact overall and heatsink dimensions (important for case/RAM clearance)?

Overall dimensions without mounting material are 71 x 124 x 154 mm; heatsink dimensions are 46 x 124 x 154 mm.

Is an ARGB controller or header required/implemented for the fan lighting?

The fan is a Light Wings LX 120mm PWM ARGB with 16 LEDs inside the hub and provides ARGB illumination; specific controller or header requirements are not listed in the provided facts.

What items are included in the box (mounting hardware, thermal paste)?

The package includes applied thermal grease, an Intel & AMD mounting set, and a user manual.

What is the manufacturer warranty period?

The product comes with a 3-year manufacturer’s warranty.

What are the fan noise levels at different speeds?

Overall noise levels are 12.4 dB(A) at 50% rpm, 24.4 dB(A) at 75% rpm and 31.2 dB(A) at 100% rpm.

Does the cooler include an AM5-specific mounting or offset for AM5 CPUs?

Yes, it has a preinstalled mounting bridge and an AM5 offset mounting for centering the heat pipes.

Brand warranty: 3-year manufacturer’s warranty from the manufacturer — TechCure India helps you with the claim.

Why buy from TechCure India

• Genuine product with brand warranty
• GST invoice on every order
• Insured delivery across India
• Free compatibility check before dispatch — or build a full PC with our PC Builder