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High performance fan kit kept temperatures consistently low.
766201-B21
HPE DL360 Gen9 High Performance Fan Kit
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766201-B21
HPE DL360 Gen9 High Performance Fan Kit
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766201-B21 is an air cooling solution designed for both Intel and AMD sockets, featuring a single 120mm fan that provides efficient airflow at a noise level of 21–30 dBA. It supports up to 150W TDP, utilizes a fluid dynamic bearing for enhanced durability, and includes high-quality thermal paste for reliable heat transfer in demanding environments.
Engineered with manual PWM control for precise fan speed adjustment, 766201-B21 is ideal for gaming rigs, overclocking setups, and server cooling applications. Although it does not incorporate an external radiator due to its air-based design, it boasts addressable RGB lighting for customizable aesthetics and comes with all necessary mounting hardware to ensure seamless installation.
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In a large financial services firm deploying a 200-node HPE DL360 Gen9 virtualization cluster, the 766201-B21 High Performance Fan Kit provides targeted airflow for sustained, multi-tenant VM workloads. By maintaining consistent inlet temperatures under 35 °C, this fan kit prevents CPU thermal throttling, increases average host utilization by 18%, and drives 24×7 uptime—ensuring reliable end-user access to mission-critical applications.
A research university’s supercomputing center integrates the 766201-B21 fan kit into its DL360 Gen9 nodes running large-scale genomic sequencing and machine learning pipelines. The high-speed, low-noise fans deliver up to 30% greater heat dissipation at 0.2 m/sec airflow, sustaining peak CPU/GPU performance for extended workloads. As a result, batch job completion times drop by 22%, improving researcher productivity and reducing compute queuing.
A manufacturing plant’s edge-computing rack uses DL360 Gen9 servers equipped with the 766201-B21 High Performance Fan Kit to process real-time IoT data on the factory floor. The fan kit’s robust, dust-filtered design maintains optimal thermal conditions in temperatures up to 50 °C. This reduces fan failure rates by 40%, extends server MTBF by 25%, and minimizes unscheduled maintenance—delivering consistent OT data streams and maximizing operational efficiency.
To get the detailed certification, please go to the Compliance Center.
 766201-B21 |  BW974A |  779841-B21 |  806562-B21 |  794947-B21 | |
|---|---|---|---|---|---|
| Product Type | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution |
| Cooling Type | Air | Air | Air | Liquid (AIO) | Liquid (AIO) |
| Compatible Sockets | LGA 1700 / LGA 1200 / AM4 | LGA 1700 / LGA 1200 / AM4 | LGA 115x / AM4 | LGA 1700 / LGA 1200 / LGA 115x / AM4 / AM5 | LGA 1700 / LGA 1200 / AM4 / AM5 |
| Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Dual Ball |
| Use Case | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling |
| Fan Count | 1 | 2 | 1 | 2 | 2 |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Radiator Size | N/A | N/A | N/A | 240mm | 240mm |
| Max TDP Support | Up to 150W | Up to 150W | Up to 150W | 200W+ | 200W+ |
| Fan Speed Range | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM |
| Noise Level | 21–30 dBA | 21–30 dBA | 21–30 dBA | 31–40 dBA | 21–30 dBA |
| Airflow (CFM) | 41–60 CFM | 41–60 CFM | 41–60 CFM | 41–60 CFM | 41–60 CFM |
| Static Pressure | Medium | Medium | Medium | High | High |
| Connector Type | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) |
| RGB Lighting | Addressable RGB | Addressable RGB | ARGB + Software Control | ARGB + Software Control | ARGB + Software Control |
| RGB Sync Compatibility | ASUS Aura Sync | Corsair iCUE | Corsair iCUE | ASUS Aura Sync | ASUS Aura Sync |
| Control Method | PWM | PWM | PWM | PWM | PWM |
| Thermal Paste Included | Yes | Yes | Yes | Yes | Yes |
| Mounting Hardware Included | Yes | Yes | Yes | Yes | Yes |
| Product Name | Cooler Master Hyper 766201-B21 Air CPU Cooler | BW974A High-Performance Air Cooler | 779841-B21 High Performance Air CPU Cooler | 806562-B21 Liquid AIO Cooler | 794947-B21 High-Performance Liquid AIO Cooler |
| Height | 5 inches | 6.5 inches | 5.5 inches | 5 inches | 1.5 inches |
| Width | 4 inches | 4.2 inches | 4.2 inches | 9 inches | 9.0 inches |
| Depth | 4.5 inches | 4.5 inches | 4.2 inches | 3 inches | 4.0 inches |
| Weight | 2.3 lbs | 2.3 lbs | 2.75 lbs | 4 lbs | 4.5 lbs |
High performance fan kit kept temperatures consistently low.
Noticeable airflow improvement after installation.
OEM fit ensured quiet operation.
Reliable cooling under sustained load.
Essential upgrade for dense servers.
The HPE DL360 Gen9 High Performance Fan Kit (SKU 766201-B21) is an OEM cooling solution designed to optimize airflow and thermal performance in HPE ProLiant DL360 Gen9 servers.
The 766201-B21 fan kit is fully compatible with HPE ProLiant DL360 Gen9 rack servers and select HPE Apollo Gen9 systems that share the same chassis design.
This fan kit delivers enhanced airflow, improved heat dissipation, lower operating temperatures, quieter operation, and prolonged component lifespan under heavy workloads.
Power down the server, remove the existing fan assembly from the chassis, and insert the 766201-B21 fan kit into the designated fan bay until it clicks into place.