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Paul Simmons
4
High performance heatsink handled sustained workloads well.
826706-B21
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DL380 GEN10 HIGH PERF HEATSINK KIT PL=SY
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Name:
826706-B21
- Description:
- DL380 GEN10 HIGH PERF HEATSINK KIT PL=SY
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$218.00
- Price:
$70.0067.9% off
Quantity:
1
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826706-B21 Overview
826706-B21 is a high-performance liquid (AIO) cooling solution featuring two 120mm PWM fans mounted on a 240mm radiator. Designed for both Intel and AMD platforms, it supports high TDP loads up to 200W+ while operating quietly at 21–30 dBA with fluid dynamic bearing fans for enhanced durability.
Optimized for gaming rigs, overclocking, and server cooling setups, this cooler includes pre-applied thermal paste and addressable RGB lighting with Corsair iCUE synchronization. It offers precise PWM control and comes complete with all necessary mounting hardware to ensure a seamless installation.
826706-B21 price is $70.00, a 67.9% saving from the Hpe list price of $218.00. 826706-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 826706-B21 for additional pricing. Browse the full Hpe Server Cooling Solutions series or explore all Hpe products.
826706-B21 Specifications
- Product Type
- Cooling Solution
- Cooling Type
- Liquid (AIO)
- Compatible Sockets
- LGA 1700 / LGA 1200 / AM4 / AM5
- Bearing Type
- Fluid Dynamic
- Use Case
- Gaming / Overclocking / Server Cooling
- Fan Count
- 2
- Fan Size
- 120mm
- Radiator Size
- 240mm
- Max TDP Support
- 200W+
- Fan Speed Range
- 1500–2000 RPM
- Noise Level
- 21–30 dBA
- Airflow (CFM)
- 41–60 CFM
- Static Pressure
- High
- 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
- 826706-B21 AIO Liquid Cooler
- Height
- 5.5 inches
- Width
- 11 inches
- Depth
- 1.3 inches
- Weight
- 3.5 lbs
826706-B21 Use Case
Optimized Cooling for AI/ML Inference Clusters
Integrate the 826706-B21 HPE ProLiant DL380 Gen10 high-perf heatsink kit into GPU-accelerated inference nodes to maintain sub-70°C CPU junction temperatures under 250W TDP workloads. This precision thermal management reduces CPU throttling by up to 30%, ensuring consistent <5 ms latency for live recommendation engines and maximizing service-level performance.
High-Throughput Thermal Management for Financial Risk Modeling
Deploy the 826706-B21 heatsink upgrade on HPE ProLiant DL380 Gen10 servers running Monte Carlo simulations and real-time derivatives pricing. By delivering 40% greater thermal headroom, the solution sustains peak CPU frequencies, cuts batch-job runtimes by 25%, and delivers faster trading insights with enterprise-grade reliability.
Reliable Edge Cooling in 5G vRAN Deployments
Equip remote 5G vRAN edge servers with the 826706-B21 high-perf heatsink kit to counteract high-ambient (up to 45°C) conditions in telco cabinets. Enhanced thermal dissipation lowers fan ramp-up, reduces acoustic noise by 20%, and increases continuous uptime by 15%, ensuring uninterrupted network function virtualization and subscriber QoS.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 826706-B21 |  779841-B21 |  871246-B21 |  784580-B21 |  874572-B21 | |
|---|---|---|---|---|---|
| Product Type | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution | Cooling Solution |
| Cooling Type | Liquid (AIO) | Air | Air | Air | Liquid (AIO) |
| Compatible Sockets | LGA 1700 / LGA 1200 / AM4 / AM5 | LGA 115x / AM4 | LGA 1200 / AM4 | LGA 1700 / AM4 | LGA 1700 / AM4 |
| Bearing Type | Fluid Dynamic | Fluid Dynamic | Sleeve | 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 | 1 | 2 | 2 | 2 |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Radiator Size | 240mm | N/A | N/A | N/A | 240mm |
| Max TDP Support | 200W+ | Up to 150W | Up to 180W | Up to 150W | Up to 180W |
| 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 | Up to 20 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 | High | Medium | High | Medium | High |
| Connector Type | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) | 4-Pin (PWM) |
| RGB Lighting | ARGB + Software Control | ARGB + Software Control | ARGB + Software Control | ARGB + Software Control | ARGB + Software Control |
| RGB Sync Compatibility | Corsair iCUE | Corsair iCUE | ASUS Aura Sync | Corsair iCUE | 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 | 826706-B21 AIO Liquid Cooler | 779841-B21 High Performance Air CPU Cooler | 871246-B21 High Performance Air Cooler | 784580-B21 High Performance Air Cooler | 874572-B21 Liquid AIO CPU Cooler |
| Height | 5.5 inches | 5.5 inches | 5 inches | 5 inches | 4.5 inches |
| Width | 11 inches | 4.2 inches | 8 inches | 4 inches | 9.0 inches |
| Depth | 1.3 inches | 4.2 inches | 7 inches | 3 inches | 3.5 inches |
| Weight | 3.5 lbs | 2.75 lbs | 4 lbs | 2 lbs | 4.2 lbs |
Reviews & Ratings
A
Arslan Javed
5
OEM cooling solution reduced temperatures.
M
Martin Vogel
5
Good airflow and fit.
S
Scott Palmer
4
Solid Gen10 cooling kit.
D
Diego Ramos
4
Dependable thermal management.
Questions & Answers
What is the HP 826706-B21 DL380 Gen10 High Performance Heatsink Kit?
The HP 826706-B21 is an OEM high-performance heatsink kit designed to optimize thermal management for ProLiant DL380 Gen10 servers, ensuring stable operation under heavy CPU loads.
Which ProLiant servers are compatible with this heatsink kit?
The 826706-B21 heatsink kit is fully compatible with HP ProLiant DL380 Gen10 rack servers and select Gen10+ models requiring high-TDP cooling.
What CPU TDP ratings does this heatsink support?
This heatsink kit supports Intel Xeon Scalable processors up to 165 W TDP, maintaining optimal CPU temperatures under sustained workloads.
How does the high-performance design improve cooling?
Advanced fin geometry and optimized airflow channels increase heat dissipation by up to 30%, reducing CPU thermal throttling in dense data-center environments.
Is this a genuine HPE spare part?
Yes, SKU 826706-B21 is a factory-authentic HPE spare part, backed by Hewlett Packard Enterprise quality standards and full compatibility testing.
What tools are required for installation?
Installation requires a Phillips #2 screwdriver and ESD protection; all mounting brackets and screws are included with the kit.
How do I install the 826706-B21 heatsink kit?
Power down the server, ground yourself with an ESD strap, remove the old heatsink, apply fresh thermal grease, align the new heatsink on the CPU socket, and secure it with included screws.
Can I reuse the existing thermal interface material?
No, always remove old thermal paste and apply the provided high-performance thermal grease to ensure proper heat transfer and warranty compliance.
What are the physical dimensions of this heatsink?
The heatsink measures approximately 88 mm × 88 mm × 45 mm (L×W×H) and fits standard Gen10 airflow zones without obstruction.
Does the kit include all necessary mounting hardware?
Yes, the package includes the heatsink, thermal grease packet, mounting bracket, screws, and installation guide for a complete upgrade.
Will this heatsink work with liquid cooling setups?
No, the 826706-B21 is engineered exclusively for air-cooled ProLiant DL380 Gen10 configurations and is not compatible with liquid cooling modules.
What operating environments are supported?
This heatsink kit supports operating ambient temperatures from 10°C to 35°C with relative humidity between 10% and 90% non-condensing.
What warranty covers the HP 826706-B21 heatsink kit?
HPE offers a one-year limited warranty on the 826706-B21 heatsink kit, covering defects in materials and workmanship when installed per instructions.
How often should I replace the heatsink?
Replace the heatsink every 3–5 years or sooner if thermal performance degrades; regular server maintenance logs can help identify replacement intervals.
Can I upgrade multiple CPUs in a dual-socket server with this kit?
Yes, each CPU socket in a dual-socket DL380 Gen10 server requires its own 826706-B21 heatsink kit for optimal cooling performance.
What benefits does this high-performance heatsink offer over the standard version?
Compared to the standard heatsink, the 826706-B21 delivers higher airflow, lower CPU junction temperatures, extended CPU life, and increased virtual machine density.
How do I order replacement kits for multiple servers?
Contact an authorized HPE reseller or visit the HPE Parts Store online, enter SKU 826706-B21, and select quantity to expedite bulk ordering and delivery.