120mm CPU Liquid Cooler for OEM & Bulk Orders – Lineng Tech Manufacturer
IM120WHB02
LC120BKA01
DS120BKA01
LS120BKB01
IM120WHA03
IM120BKB01
IM120BKA02
IM120BKA03
IM120BKA01
DS120BKB01
LC120WHA01
DS120BKA02
Request a Sample – Test Our Quality Before Bulk Order
Get Your Sample Now!Universal Compatibility
Fits Intel LGA 1700/1200/115x and AMD AM4/AM5/TR4, with a slim 27mm radiator for easy case integration.
Silent & Reliable
● <30dB 120mm PWM fan (boost frame design)
● Pure copper cold plate + microchannel tech
● 50,000+ hour lifespan magnetic pump
Bulk Order Perks
Low MOQ, fast lead times, QC-tested batches.
Custom Branding Available for Your Product Line
Already working with a PC hardware brand? We can white-label to match your existing product lines.
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Partner with a Leading 120mm AIO Cooler Factory
● High Performance – 180W-220W TDP, <30dB noise, ideal for gaming & workstations.
● Reliable Quality – Copper cold plate, anti-leak tech, 50,000+ hour pump lifespan.
● OEM/ODM Ready – Custom branding, ARGB/LCD options, flexible tube lengths.
● Competitive Pricing – Direct factory rates, 15-20% lower than retail brands.
● Global Compliance – CE/RoHS certified, supports Intel/AMD sockets.
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What B2B Buyers Must Know About 120mm Liquid Coolers
1. Performance & Compatibility
● TDP Range: Most 120mm AIO coolers handle 180W–220W, suitable for mid-range CPUs (e.g., Intel i7/Ryzen 7) but may struggle with extreme overclocking.
● Noise Levels: High-quality models operate below 30dB (e.g., MSI’s 34.3dB 1, Arctic’s 31.1dB 5).
● Socket Support: Ensure compatibility with Intel LGA1700/AM5 for future-proofing.
2. Design & Durability
● Pump Technology: Magnetic bearing pumps (e.g., MSI’s 50,000-hour lifespan 1) outperform sleeve bearings in longevity.
● Radiator Materials: Aluminum radiators dominate for cost efficiency, while copper cold plates enhance heat transfer.
● Leak Prevention: Reinforced tubing (EPDM or braided) minimizes leakage risks.
3. Customization & OEM Flexibility
● Branding: Options for logo engraving, ARGB lighting, or LCD screens (e.g., temperature displays).
● Modularity: Adjustable tube lengths and fan configurations (push/pull) for case-specific integration.
● MOQ: Factories often require 1,000+ units for custom designs.
4. Market Differentiation
● Cost Efficiency: Chinese OEMs offer 15–20% lower pricing vs. brands like MSI/Arctic.
● Warranty: Standard 2–3 years, but some OEMs extend to 6 years for bulk orders.
5. Procurement Tips
● Sample Testing: Validate cooling performance (e.g., ID-COOLING’s 120mm handled i9-10900K at 92°C).
● Certifications: Prioritize RoHS/CE compliance for EU/NA markets.
● Supply Chain: Confirm lead times (e.g., 1–3 months for OEM orders).
Why choose 120mm water cooling? Applicable scenarios and user positioning
Key advantages
● Small case compatibility: 27mm thin cable design, perfectly compatible with ITX/compact cases (such as NR200, A4-H2O).
● Silent and efficient: Magnetic levitation water pump (<25dB) + PWM fan, achieving balanced heat dissipation and low noise.
● High cost-effectiveness: The cost is 30% to 40% lower than that of 240/360 models, making it suitable for projects with tight budgets.
Applicable Scenarios
● Mild/Moderate Gaming: Capable of running CPUs at the i5/R5 level (with TDP ≤ 150W), such as games like "CS2" and "DOTA2".
● Office/Muted PC: Suitable for scenarios requiring long-term low-noise operation (such as recording studios, offices).
● Brand original equipment manufacturer: Quick integration of OEM labeling, reducing BOM costs.
When to choose 240/360?
● High load requirements: such as i9/R9 overclocking, 3D rendering, etc. (Recommended 240mm or larger).
● The case allows: For ATX mid-tower and larger-sized cases, it is recommended to choose larger cooling systems.
In-depth Analysis of 120mm Water Cooling Performance
1. Performance Limits and Applicable Scenarios
The 120mm water cooling radiator demonstrates clear performance boundaries under typical operating conditions:
● Optimal operating range: 150 - 180W TDP (such as i5-13600K/R7 5800X)
● Temperature critical point: When the continuous load exceeds 200W, the water temperature will rapidly rise to above 45°C.
● Noise threshold: Approximately 32 dB at full speed, which is 3-5 dB better than that of similar tower-style air-cooled units.
2. The differentiated performance from the air-cooling system
Compared to high-end air-cooling solutions:
● Instantaneous heat dissipation: The water cooling system responds more quickly and can quickly absorb the instantaneous power peak of the CPU.
● Spatial compatibility: Completely avoids the interference problem of large tower-style heat sinks with the memory.
● Thermal inertia characteristic: The temperature change of water is more gradual compared to that of air-cooled heat sinks, making it suitable for fluctuating loads.
3. The key differences in the 240mm water cooling system
During continuous workload tests:
● Thermal saturation time: The 120mm system reaches thermal equilibrium in approximately 25 minutes, while the 240mm system requires 40 minutes.
● Temperature difference: Under the same 200W load condition, the 240mm system can maintain a core temperature of 8-12°C lower.
● Fan strategy: A 120mm system usually requires a higher rotational speed to maintain the same level of cooling efficiency.
4. Long-term reliability verification
The results of the 1000-hour accelerated aging test show:
● Pump attenuation rate: High-quality magnetic levitation pump is approximately 0.3% per thousand hours.
● Cold Night Volatilization: The annual loss rate should be controlled within 1% to be considered qualified.
● Durability of material: The nickel coating on the copper base should remain undamaged for 500 hours during the salt spray test.
5. Procurement Decision Recommendations
Typical scenarios where the 120mm solution is recommended:
● Construction of ITX systems with limited space
● A configuration with specific requirements for the heat distribution within the computer case
● A mid-range workstation that needs to balance cooling performance with noise reduction capabilities
120mm Water Cooling Three-Core Component Technology Analysis
1. Key Performance Indicators of Cooling Plate Structure Thickness Design:
Thickness Design:
● Standard 27mm Thin Plate: Priority given to compatibility, suitable for ITX cases
● 35mm Thick Plate: Increases 15-20% of heat dissipation area, requires a high-pressure fan to be used in conjunction
Fin technology:
● High-density design with 12-16 fins per inch, enhancing heat transfer efficiency by 30%
● Wavy fin structure offers 20% more turbulence effect compared to flat design
Material and Craftsmanship:
● Main body made of aviation-grade aluminum alloy with copper water channels, achieving a balance between weight and heat conductivity
● Vacuum brazing process ensures water channel accuracy of 0.01mm or better
2. Core technical parameters of the water pump system
Hydraulic performance:
● The pump body is of high quality and has a head of 1.8 - 2.2 meters, ensuring the circulation efficiency
● Flow rate reference value: 0.8 - 1.2 L/min is the performance sweet spot area
Silent technology:
● Three-phase brushless motors reduce noise by 20% compared to traditional motors.
● Ceramic bearings combined with graphite bushings have a lifespan of over 50,000 hours.
Safety Design:
● Double sealing ring + pressure release valve leak-proof design
● Overdrive protection circuit can automatically cut off power
3. Fan system matching principle
Air volume/air pressure selection:
● High air volume type (>60CFM): Suitable for low-resistance thin ducts
● High air pressure type (>2.5mmH₂O): Matched with thick ducts/compact fins
Acoustic optimization:
● The serrated design on the fan blade edges can reduce vortex noise by 3 dB
● The hydraulic bearings are 30% quieter than the ball bearings
Intelligent Control:
● The PWM speed control range should cover 800 - 2500 RPM
● The start-stop technology enables complete silence with zero load
Key points for purchasing batch size and factory quality inspection process
1. Core concerns of purchasing batch size
Stability verification
● Long-term operation test: The factory should provide ≥ 500 hours of aging test data (simulating high-load operation) .
● Thermal cycling test: -40°C to 150°C, ≥ 500 cycles, ensuring no deformation or cracking of the material .
Leakage Rate Control
● Industry standard: The leakage rate of high-quality 120mm AIO should be ≤ 0.1% (annualized).
● Leak-proof technology: Utilizes a design of double sealing rings + pressure relief valve (such as the dynamic balance leak-proof technology of JiuZhou WindPower).
Disclosure of Failure Rate Data
● Pump failure rate: For magnetic bearing pumps, it should be ≤ 0.5% (MTBF ≥ 50,000 hours) .
● Fan failure rate: Double ball bearing fan ≤ 1% (lifetime ≥ 60,000 hours).
2. Quality inspection process before product shipment from the factory
Static pressure test:
● Blasting pressure ≥ 2.5 MPa (1.5 times the working pressure as the safety factor).
● Maintain pressure for 30 minutes, with the pressure drop rate not exceeding 5%.
High-temperature aging test:
At a temperature of 120°C and with full-load operation for 24 hours, monitor the pump noise and water temperature fluctuations.
Air tightness test:
Leakage rate ≤ 5 mL/min (in accordance with ISO1402 standard).
Vibration test:
1 - 200Hz sinusoidal vibration, simulating transportation jolts.
Requirements for Quality Inspection Report:
A third-party CNAS certification report (including thermal resistance, flow rate, and noise data) is required.
3. After-sales Policies and Warranty
Warranty Service Standards :
● 3-year warranty (full replacement for leakage or pump failure).
● Rework rate control target: ≤ 2% (per year).
B2B Special Policy:
● Batch orders (≥ 1K) can be extended for warranty coverage up to 5 years.
● Provide rapid replacement service for spare parts (with a response time of 48 hours).