# Power supply unit HP Enterprise Hotplug Redundant 460W model 355892-B21-RFB

**URL:** https://aio.lv/en/product--hp-enterprise-355892-b21-rfb--604972
**Data updated:** 2026-01-12 19:29 (EET)
**Category:** Other Repair Parts
**Manufacturer:** HP Enterprise
**Manufacturer code:** 355892-B21-RFB
**EAN:** 5705965880098
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Hot-plug redundant power supply unit from HP Enterprise, model 355892-B21-RFB, rated at 460W. Designed for use in compatible HPE server systems to provide redundant, hot-swappable power delivery and minimize downtime. Suitable for server maintenance and upgrades, it enables live replacement without powering down the host and helps ensure continuous operation in rack or data center environments.

## Long description

Power supply unit HP Enterprise Hotplug Redundant 460W model 355892-B21-RFB is a hot-swappable redundant power module designed for compatible HPE server platforms. Rated at 460 watts, this HP Enterprise unit supports live replacement to maintain continuous operation in rack-mounted and data center environments. The module follows hot-plug redundancy principles to reduce downtime during maintenance, upgrades, or unexpected failures, and is compatible with systems that accept the 355892-B21-RFB part number.
Advantages
This HP Enterprise 460W hot-plug redundant power supply provides immediate replacement capability without powering down the host, helping to maintain service availability. The unit is designed for reliable operation under typical data center conditions and supports standardized form factor and connector interfaces for straightforward installation. Built to meet enterprise power and redundancy requirements, it minimizes single points of failure and supports operational continuity during maintenance activities.
Suitable for
Rack-mounted HPE servers requiring redundant power modules
Data center environments where hot-swappable components are required
Server maintenance and on-the-fly hardware replacement
System upgrades that require keeping services online
Key specifications
Brand: HP Enterprise
Model / MPN: 355892-B21-RFB
EAN: 5705965880098
Rated output power: 460W
Hot-plug redundant design for live replacement
How to use
Install the 355892-B21-RFB power supply into a compatible HPE server bay following the server manufacturer’s service manual. Ensure the server supports this specific module and that safety procedures are observed before handling power components. When replacing a faulty unit, verify the remaining redundant supply is supplying the required load, remove the defective module using the hot-swap procedure, and insert the replacement until it latches and the system recognizes the module. Monitor power status through server management interfaces after replacement.
Usage recommendations
Verify compatibility with the target HPE server model and confirm firmware or management interface requirements prior to installation. Use the power supply in proper environmental conditions (temperature, humidity, and airflow) as specified by the server manufacturer. For critical systems, keep a spare unit on-site to reduce replacement time and follow electrostatic discharge (ESD) and safety guidelines when handling the module.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP Enterprise products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP Enterprise service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/604972/66025660_large.webp