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784580-B21
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- HP ML110 Gen9 PCI Fan and Baffle Kit
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784580-B21 Overview
784580-B21 is a high performance air cooling solution built for modern desktops. It features an air cooling design with 2 120mm fans, no radiator required, and socket compatibility for both LGA 1700 and AM4 platforms.
This cooler supports up to 150W TDP while operating at a noise level of 21–30 dBA. It incorporates Fluid Dynamic bearing fans with included thermal paste, ARGB + Software Control lighting, and PWM control—making it an ideal choice for gaming rigs, overclocking systems, and server cooling applications.
What is the price of 784580-B21?
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784580-B21 Specifications
| Product Type | Cooling Solution |
| Cooling Type | Air |
| Compatible Sockets | LGA 1700 / AM4 |
| Bearing Type | Fluid Dynamic |
| Use Case | Gaming / Overclocking / Server Cooling |
| Fan Count | 2 |
| Fan Size | 120mm |
| Radiator Size | N/A |
| Max TDP Support | Up to 150W |
| Fan Speed Range | 1500–2000 RPM |
| Noise Level | 21–30 dBA |
| Airflow (CFM) | 41–60 CFM |
| Static Pressure | Medium |
| Connector Type | 4-Pin (PWM) |
| RGB Lighting | ARGB + Software Control |
| RGB Sync Compatibility | Corsair iCUE |
| Control Method | PWM |
| Thermal Paste Included | Yes |
| Mounting Hardware Included | Yes |
| Product Name | 784580-B21 High Performance Air Cooler |
| Height | 5 inches |
| Width | 4 inches |
| Depth | 3 inches |
| Weight | 2 lbs |
784580-B21 Use Case
High-Density Virtualization Cooling with 784580-B21 HP ML110 Gen9 PCI Fan & Baffle Kit
In mid-sized enterprises running dozens of virtual machines on HP ML110 Gen9 servers equipped with multiple PCIe network adapters, the 784580-B21 PCI Fan & Baffle Kit directs targeted airflow across all expansion cards to maintain consistent sub-75 °C operating temperatures under sustained 80% CPU loads. Benefit: prevents thermal throttling, maximizes VM density, extends hardware lifespan, and ensures 24/7 availability.
GPU-Accelerated Edge AI Inference with 784580-B21 Cooling Solution
Edge computing deployments leveraging GPU inference cards on HP ML110 Gen9 often face thermal hotspots during peak AI workloads. The 784580-B21 PCI Fan & Baffle Kit channels chassis airflow directly over GPU modules and adjacent PCIe lanes to stabilize temperatures below critical thresholds. Benefit: delivers up to 20% higher inference throughput, reduces error-rate spikes, and guarantees reliable real-time analytics at remote sites.
Sustained NVMe Storage Throughput Using 784580-B21 Fan & Baffle Assembly
Media production and backup servers using high-speed NVMe PCIe storage cards in HP ML110 Gen9 can experience performance dips as drive temperatures climb during bulk transfers. The 784580-B21 Fan & Baffle Assembly ensures consistent airflow over NVMe modules, keeping drive temps within optimal ranges during extended I/O operations. Benefit: shortens backup windows by up to 50%, maintains peak transfer rates, and enhances data integrity under heavy workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Airflow (CFM) | 41–60 CFM | 41–60 CFM | 41–60 CFM | 41–60 CFM | 41–60 CFM |
| Bearing Type | Ball | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Compatible Sockets | LGA 1700 / LGA 1200 / LGA 115x / AM4 / AM5 | LGA 1700 / AM4 | LGA 1700 / LGA 1200 / LGA 115x / AM4 / AM5 | LGA 1700 / AM4 | LGA 1700 / LGA 1200 / LGA 115x / AM4 |
| Connector Type | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) |
| Control Method | PWM | PWM | PWM | PWM | PWM |
| Cooling Type | Air | Air | Liquid (AIO) | Liquid (AIO) | Liquid (AIO) |
| Depth | 3.3 inches | 3 inches | 8.2 inches | 3.5 inches | 3.9 inches |
| Fan Count | 1 | 2 | 2 | 2 | 2 |
| Fan Size | 140mm | 120mm | 140mm | 120mm | 120mm |
| Fan Speed Range | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM | 1500–2000 RPM |
| Height | 6.5 inches | 5 inches | 5.3 inches | 4.5 inches | 5.2 inches |
| Max TDP Support | Up to 150W | Up to 150W | Up to 200W+ | Up to 180W | 150W |
| Mounting Hardware Included | Yes | Yes | Yes | Yes | Yes |
| Noise Level | 21–30 dBA | 21–30 dBA | 21–30 dBA | 21–30 dBA | 21–30 dBA |
| Product Name | 765513-B21 | 784580-B21 High Performance Air Cooler | 517520-B21 AIO CPU Cooler | 874572-B21 Liquid AIO CPU Cooler | 820290-B21 Liquid AIO Cooler |
| Product Type | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution |
| Radiator Size | N/A | N/A | 240mm | 240mm | 240mm |
| RGB Lighting | Single Color | ARGB + Software Control | Addressable RGB | ARGB + Software Control | ARGB + Software Control |
| RGB Sync Compatibility | N/A | Corsair iCUE | ASUS Aura Sync | ASUS Aura Sync | Corsair iCUE |
| Static Pressure | Medium | Medium | High | High | Medium |
| Thermal Paste Included | Yes | Yes | Yes | Yes | Yes |
| Use Case | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling | Gaming / Overclocking / Server Cooling |
| Weight | 2.2 lbs | 2 lbs | 4.2 lbs | 4.2 lbs | 4.5 lbs |
| Width | 4.1 inches | 4 inches | 9.8 inches | 9.0 inches | 4.1 inches |
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Questions & Answers
Q
What is the HP ML110 Gen9 PCI Fan and Baffle Kit (SKU: 784580-B21)?
A
The 784580-B21 is an OEM cooling assembly with two high-efficiency fans and a precision-engineered baffle designed to optimize airflow across PCI cards in HP ProLiant ML110 Gen9 servers.
Q
What components are included in the HP ML110 Gen9 PCI Fan and Baffle Kit (784580-B21)?
A
The kit contains two 12V fan modules, one airflow baffle, mounting brackets, screws, and a quick-install guide.
Q
Which servers are compatible with the 784580-B21 fan and baffle kit?
A
The 784580-B21 kit is fully compatible with HP ProLiant ML110 Gen9 rackmount and tower servers.
Q
How do I install the HP ML110 Gen9 PCI Fan and Baffle Kit (784580-B21)?
A
Power down and unplug the server, remove the chassis cover, align and secure the baffle over the PCI slots, mount the fans to the baffle, connect to the system board fan headers, then replace the cover.
Q
What cooling benefits does the 784580-B21 kit provide?
A
By directing cool air directly over PCIe cards, the kit can lower component temperatures by up to 15°C and enhance system stability under heavy workloads.
Q
Do I need special tools to install the 784580-B21 kit?
A
No special tools are required; a standard Phillips-head screwdriver is all you need for installation.
Q
Can I replace a single fan in the 784580-B21 kit?
A
Yes, each fan module is individually replaceable; HP recommends powering down the server before replacement to ensure safety.
Q
Does the 784580-B21 kit require firmware or BIOS updates?
A
No firmware or BIOS updates are necessary—the HP ProLiant ML110 Gen9 BIOS natively supports the additional fans and airflow sensors.
Q
How does the airflow baffle in the 784580-B21 kit improve cooling?
A
The precision-engineered baffle channels intake air directly over PCI cards, eliminating hotspots and maintaining consistent component temperatures.
Q
What are the power and noise specifications of the 784580-B21 fans?
A
Each fan operates at 12 VDC, draws up to 0.4 A, and produces a maximum noise level of 35 dBA at full speed.
Q
How many PCI slots does the 784580-B21 kit support?
A
The kit is designed to cool all four full-height PCIe slots available in the HP ProLiant ML110 Gen9 chassis.
Q
Where can I purchase the HP ML110 Gen9 PCI Fan and Baffle Kit (784580-B21)?
A
You can buy the 784580-B21 kit through authorized HP resellers, the HP online store, or leading IT hardware distributors worldwide.
Q
What warranty covers the 784580-B21 fan and baffle kit?
A
HP offers a one-year limited parts warranty covering defects in materials and workmanship for the 784580-B21 kit.
Q
How do I troubleshoot fan noise issues with the 784580-B21 kit?
A
Verify proper mounting, clean dust from fans and baffle, ensure fans are connected to the correct system board headers, and update to the latest BIOS.
Q
How do I clean and maintain the HP ML110 Gen9 PCI Fan and Baffle Kit?
A
Power off and unplug the server, remove the kit, use compressed air to clear dust from fans and baffle, then reinstall following the installation guide.
Q
What performance gains can I expect after installing the 784580-B21 kit?
A
Customers typically see up to a 20% increase in PCIe card thermal headroom, improving reliability and performance under continuous load.
