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Product Code: CFHO-454
MPN #: P58461-B21
Upgrade your server’s reliability instantly with the HPE P58461-B21 Replacement Server Fan – the perfect solution to keep your hardware cool and running at peak performance. This OEM‑grade fan delivers powerful airflow while staying quiet, ensuring your data center stays efficient and your downtime stays minimal.
Designed specifically for HPE servers, this 12 V active cooling fan provides 40–70 CFM of airflow at 3500–5000 RPM, moving heat away quickly and maintaining optimal operating temperatures. Its compact ~80–120 mm size fits seamlessly into standard server bays, and the black finish blends with existing hardware for a clean look.
The fan operates quietly at 35–45 dB, so you won’t hear disruptive noise even under heavy load. It’s built to endure temperatures from 0 °C to 50 °C and weighs only about 0.25 kg, making it lightweight yet durable for long‑term use.
Installation is straightforward – simply replace the old fan with this OEM module, connect the 12 V DC power, and your server will benefit from improved cooling immediately. No additional tools or firmware updates are required.
| Specification | Details |
|---|---|
| Brand | HPE |
| Part Number | P58461-B21 |
| Product Type | Server Cooling Fan |
| Category | Cooling Fans |
| Fan Size | ~80–120 mm (typical server fan size, confirm per datasheet) |
| Fan Speed | 3500–5000 RPM (depending on server model) |
| Airflow | Approx. 40–70 CFM (server-dependent) |
| Noise Level | ~35–45 dB (server-dependent) |
| Operating Voltage | 12 V DC |
| Operating Temperature | 0°C to 50°C |
| Cooling Method | Active Air Cooling |
| Color | Black |
| Application | HPE Server Cooling |
| Actual Weight | ~0.25 kg |
| Package Weight | ~0.35 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)