Upgrade your server’s reliability with the HPE P58456-B21 Server CPU Heatsink Radiator Silver Passive Air Cooler ProLiant – the perfect solution to keep your processor cool and your data safe. This high‑performance heatsink delivers efficient passive cooling, eliminating noisy fans while protecting your CPU under heavy workloads.
HPE P58456-B21 Server CPU Heatsink Radiator Silver Passive Air Cooler ProLiant
Designed specifically for HPE ProLiant servers, this heatsink mounts directly onto the CPU socket for a secure, hassle‑free installation. Its passive air cooling method relies on your system’s existing fans, providing consistent temperature control without additional power consumption.
Constructed from a premium aluminum and copper alloy, the radiator offers excellent heat dissipation while maintaining a sleek silver finish that matches any server chassis. Weighing just over 1 kg, it adds minimal weight to your system.
Operating safely between 0 °C and 85 °C (CPU‑dependent), the heatsink ensures optimal performance across a wide range of workloads, extending the lifespan of your server components.
Benefits
- Silent operation – no dedicated fan needed, reducing noise in your data center.
- Enhanced CPU protection – maintains stable temperatures during intensive tasks.
- Easy installation – direct socket mount saves time and effort.
- Energy efficient – passive design eliminates extra power draw.
Uses of the product
- Cooling high‑performance CPUs in HPE ProLiant rack servers.
- Replacing faulty or outdated heatsinks in existing server builds.
- Improving thermal management for virtualized environments.
- Supporting mission‑critical applications that demand consistent uptime.
Features
- Passive air cooling technology compatible with system fans.
- Aluminum and copper construction for superior heat transfer.
- Silver finish for a professional, unobtrusive look.
- Direct CPU socket mounting for quick, secure attachment.
Specifications
| Specification |
Details |
| Brand |
HPE |
| Part Number |
P58456-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 |
~1.05 kg |
| Package Weight |
~1.25 kg |
| Manufacturer |
HPE |
