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Redundant fan kit restored airflow reliability immediately.
725587-B21
HPE DL160 Gen9 Redundant Fan Kit
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725587-B21
HPE DL160 Gen9 Redundant Fan Kit
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725587-B21 is a liquid (AIO) cooling solution engineered for high-performance systems. It features a 240mm radiator paired with 2 x 120mm fans, is compatible with both Intel and AMD sockets, and supports a maximum TDP of up to 150W. The unit operates within a noise level of 21–30 dBA using fans with fluid dynamic bearings and includes pre-applied thermal paste, addressable RGB lighting, and PWM control for precise and responsive temperature management.
725587-B21 further excels in demanding environments such as gaming rigs, overclocking setups, and server cooling applications. Its robust design with integrated hardware and software control ensures consistent performance under heavy loads, delivering efficient cooling and enhanced system stability for high-end configurations.
725587-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 725587-B21 for additional pricing. Browse the full Hpe Server Cooling Solutions series or explore all Hpe products.
In a 24/7 trading-floor environment, integrating the HPE DL160 Gen9 redundant fan kit (725587-B21) eliminates single points of failure in server cooling. This high-availability solution maintains optimal airflow under peak loads, ensuring continuous operation of algorithmic trading engines and supporting 99.99% uptime SLAs.
Retail chains deploying HPE DL160 Gen9 servers at remote store locations use the 725587-B21 redundant fan kit to guard against thermal shutdowns in uncontrolled environments. By ensuring consistent rack-level cooling, retailers enable uninterrupted POS transactions, real-time inventory analytics and omnichannel customer experiences with reduced field-service visits.
SMBs consolidating multiple VMs on HPE DL160 Gen9 servers leverage the 725587-B21 redundant fan kit to maintain peak thermal performance during mixed-workload peaks. The result is enhanced cooling efficiency, extended hardware life and improved system reliability—delivering higher VM density per host while minimizing maintenance costs.
To get the detailed certification, please go to the Compliance Center.
 725587-B21 |  765654-B21 |  412140-B21 |  766201-B21 |  789654-B21 | |
|---|---|---|---|---|---|
| Product Type | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution |
| Cooling Type | Liquid (AIO) | Liquid (AIO) | Liquid (AIO) | Air | Liquid (AIO) |
| Compatible Sockets | LGA 1700 / LGA 1200 / LGA 115x / AM4 | LGA 115x / AM4 | LGA 1700 / AM4 | LGA 1700 / LGA 1200 / AM4 | LGA 1700 / AM5 |
| Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | 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 | 2 | 1 | 2 |
| Fan Size | 120mm | 120mm | 140mm | 120mm | 120mm |
| Radiator Size | 240mm | 240mm | 280mm | N/A | 240mm |
| Max TDP Support | Up to 150W | Up to 150W | Up to 150W | Up to 150W | Up to 150W |
| Fan Speed Range | 1500–2000 RPM | 1500–2000 RPM | 2000–2500 RPM | 1500–2000 RPM | 2000–2500 RPM |
| Noise Level | 21–30 dBA | Up to 20 dBA | 31–40 dBA | 21–30 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 | High | Medium | 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 | Addressable RGB | Addressable RGB |
| RGB Sync Compatibility | Corsair iCUE | ASUS Aura Sync | Corsair iCUE | ASUS Aura Sync | Corsair iCUE |
| Control Method | PWM | Software | PWM | PWM | PWM |
| Thermal Paste Included | Yes | Yes | Yes | Yes | Yes |
| Mounting Hardware Included | Yes | Yes | Yes | Yes | Yes |
| Product Name | 725587-B21 Liquid Cooling Solution | 765654-B21 Liquid Cooling AIO | 412140-B21 High Performance AIO Liquid Cooler | Cooler Master Hyper 766201-B21 Air CPU Cooler | 789654-B21 Liquid Cooling AIO |
| Height | 4.5 inches | 5.2 inches | 4.5 inches | 5 inches | 1.5 inches |
| Width | 9.8 inches | 3.1 inches | 9.0 inches | 4 inches | 8.0 inches |
| Depth | 2.1 inches | 10.2 inches | 9.0 inches | 4.5 inches | 7.0 inches |
| Weight | 5.6 lbs | 4.3 lbs | 3.5 lbs | 2.3 lbs | 3.2 lbs |
Redundant fan kit restored airflow reliability immediately.
OEM fit ensured easy installation.
Server temperatures stabilized under load.
Quiet operation with improved cooling.
Essential upgrade for DL160 Gen9.
The HPE DL160 Gen9 Redundant Fan Kit (725587-B21) is an OEM dual‐fan cooling module engineered to provide automatic failover airflow protection for HPE ProLiant DL160 Gen9 servers.
Key features include two hot-swappable fans, automatic redundancy, OEM-certified performance, low acoustic noise, and optimized thermal efficiency to prevent server overheating.
This fan kit is compatible exclusively with HPE ProLiant DL160 Gen9 rack servers that use the original 725587-B21 fan assembly.
The official part number is 725587-B21, manufactured by Hewlett Packard Enterprise as an OEM replacement and upgrade component.