Upgrade your ProLiant rack server with the HPE P51833-B21 Server CPU Heatsink and keep your system running at peak performance. This precision‑engineered heatsink removes excess heat fast, preventing throttling and downtime. With its passive air‑cooling design, you get reliable thermal management without extra power draw, giving you peace of mind and lower operating costs.
HPE P51833-B21 Server CPU Heatsink for ProLiant Rack Systems Air Cooling
Designed for direct CPU socket mounting, this heatsink fits HPE ProLiant servers perfectly. Its aluminum and copper construction conducts heat efficiently, while the compact dimensions (162 mm × 178 mm × 164 mm) ensure a snug fit in tight rack spaces. Weighing just 690 g, it adds minimal weight to your system.
The passive cooling solution works with your server’s existing fans, eliminating the need for additional power or complex wiring. It operates reliably from 0 °C to 85 °C, matching the temperature range of most Intel and AMD CPUs used in enterprise environments.
Installation is straightforward—simply align the heatsink with the CPU socket and secure it. Once installed, you’ll notice quieter operation and consistent CPU temperatures, even under heavy workloads.
Benefits
- Maintains optimal CPU temperature, reducing throttling risk.
- Passive design eliminates extra power consumption.
- Quiet operation by leveraging existing system fans.
- Lightweight aluminum/copper build simplifies handling and installation.
Uses of the product
- Enhancing thermal performance in HPE ProLiant rack servers.
- Replacing worn or damaged original heatsinks.
- Upgrading legacy servers to meet modern workload demands.
- Ensuring reliable operation in data centers with high-density racks.
Features
- Direct CPU socket mounting for secure, tool‑free installation.
- Aluminum and copper construction for superior heat dissipation.
- Compatible with all HPE ProLiant servers that use the P51833‑B21 part.
- Passive air‑cooling design works with existing system fans, no extra voltage required.
Specifications
| Specification |
Details |
| Brand |
HPE |
| Part Number |
P51833-B21 |
| Product Type |
CPU Heatsink |
| 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) |
| Length |
162 mm |
| Width |
178 mm |
| Height |
164 mm |
| Material |
Aluminum / Copper |
| Compatibility |
HPE ProLiant Servers |
| Mounting Type |
Direct CPU Socket Mount |
| Actual Weight |
690 g |
| Manufacturer |
HPE |
