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Product Code: CFHO-449
MPN #: 826706-B21
Upgrade your HPE ProLiant server’s reliability with the HPE 826706-B21 Server CPU Heatsink Radiator Silver Passive Air Cooler ProLiant – a high‑performance, silent cooling solution that keeps your processor at optimal temperature while reducing energy costs.
This passive air cooler is built from a precision‑engineered aluminum and copper alloy, delivering efficient heat dissipation without the need for additional power. Its sleek silver finish blends seamlessly with your server chassis, and the direct CPU socket mount ensures a secure, hassle‑free installation.
Designed specifically for HPE ProLiant servers, the heatsink operates across a wide temperature range (0 °C to 85 °C) and relies on your system’s existing fans for airflow. Weighing only ~1.2 kg, it adds minimal weight while providing maximum thermal stability.
Because it requires no external power, you benefit from lower overall power consumption and quieter operation, extending the life of both your CPU and server components.
| Specification | Details |
|---|---|
| Brand | HPE |
| Part Number | 826706-B21 |
| Product Type | CPU Heatsink / Radiator |
| Category | Air Coolers |
| Cooling Method | Passive Air Cooling |
| Operating Voltage | Not Applicable (Passive Heatsink) |
| Operating Temperature | 0°C to 85°C (CPU-dependent) |
| Airflow | Not Applicable (System fan dependent) |
| Material | Aluminum / Copper |
| Color | Silver |
| Compatibility | HPE ProLiant Servers |
| Mounting Type | Direct CPU Socket Mount |
| Actual Weight | ~1.2 kg |
| Package Weight | ~1.4 kg |
| Manufacturer | HPE |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)