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Fan upgrade improved cooling significantly.
789654-B21
HPE ML110 Gen9 System Fan Upgrade Kit
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789654-B21
HPE ML110 Gen9 System Fan Upgrade Kit
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789654-B21 is a high-performance liquid (AIO) cooling solution featuring two 120mm fans paired with a 240mm radiator. It is designed to be compatible with both Intel and AMD sockets, supports up to 150W TDP, and operates at a noise level of 21–30 dBA while utilizing fluid dynamic bearing fans.
The cooler includes pre-applied thermal paste and offers addressable RGB lighting with PWM control, making it perfect for gaming rigs, overclocking setups, and server cooling applications. Its optimized design and included mounting hardware ensure an easy and secure installation for demanding builds.
789654-B21 price is is available on request. Get immediate quote.
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 789654-B21 |  795235-B21 |  765513-B21 |  725878-B21 |  BW974A | |
|---|---|---|---|---|---|
| Product Type | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution |
| Cooling Type | Liquid (AIO) | Air | Air | Liquid (AIO) | Air |
| Compatible Sockets | LGA 1700 / AM5 | LGA 115x / AM4 | LGA 1700 / LGA 1200 / LGA 115x / AM4 / AM5 | LGA 1700 / AM4 | LGA 1700 / LGA 1200 / AM4 |
| Bearing Type | Fluid Dynamic | Ball | Ball | Ball | Fluid Dynamic |
| Use Case | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling |
| Fan Count | 2 | 2 | 1 | 2 | 2 |
| Fan Size | 120mm | 120mm | 140mm | 120mm | 120mm |
| Radiator Size | 240mm | N/A | N/A | 240mm | N/A |
| Max TDP Support | Up to 150W | Up to 150W | Up to 150W | Up to 180W | Up to 150W |
| Fan Speed Range | 2000–2500 RPM | 2000–2500 RPM | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM |
| Noise Level | 21–30 dBA | 21–30 dBA | 21–30 dBA | 21–30 dBA | 21–30 dBA |
| Airflow (CFM) | 41–60 CFM | 61–80 CFM | 41–60 CFM | 41–60 CFM | 41–60 CFM |
| Static Pressure | High | High | Medium | High | Medium |
| Connector Type | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) |
| RGB Lighting | Addressable RGB | Addressable RGB | Single Color | ARGB + Software Control | Addressable RGB |
| RGB Sync Compatibility | Corsair iCUE | Corsair iCUE | N/A | Corsair iCUE | Corsair iCUE |
| 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 | 789654-B21 Liquid Cooling AIO | 795235-B21 Air Performance Cooler | 765513-B21 | 725878-B21 Liquid AIO Cooler | BW974A High-Performance Air Cooler |
| Height | 1.5 inches | 5 inches | 6.5 inches | 1.5 inches | 6.5 inches |
| Width | 8.0 inches | 4 inches | 4.1 inches | 9.0 inches | 4.2 inches |
| Depth | 7.0 inches | 3 inches | 3.3 inches | 4.0 inches | 4.5 inches |
| Weight | 3.2 lbs | 1.5 lbs | 2.2 lbs | 3.2 lbs | 2.3 lbs |
Fan upgrade improved cooling significantly.
Easy installation and quieter operation.
Maintained stable temperatures.
OEM kit fit perfectly.
Reliable cooling solution.
The HPE ML110 Gen9 System Fan Upgrade Kit (SKU: 789654-B21) is a high-performance cooling solution engineered to optimize airflow and maintain optimal operating temperatures in HPE ProLiant ML110 Gen9 servers.
The upgrade kit includes four high-efficiency system fans, integrated thermal sensors, and all necessary brackets and screws for seamless installation.
By delivering up to 25% increased airflow and enhanced heat dissipation, the kit lowers internal temperatures and prevents thermal throttling during peak workloads.
Yes, the fan upgrade kit is fully compatible with all HPE ProLiant ML110 Gen9 tower and rackmount chassis variants without requiring additional adapters.