# Power Supply Unit HPE 720478-B21 500 W Grey

**URL:** https://aio.lv/en/product--hp-enterprise-rp001231602--496059
**Data updated:** 2025-12-08 19:51 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** HP Enterprise
**Manufacturer code:** RP001231602
**EAN:** 5711783726739
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-rp001231602--496059

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The HPE 720478-B21 is a 500 W power supply unit designed for servers. It features a Flex Slot design, 80 PLUS Platinum certification for energy efficiency, and operates on an AC input voltage of 100 - 240 V with a frequency of 50 - 60 Hz. Its dimensions are 68 mm in width, 40.4 mm in depth, and 225.3 mm in height, making it compact and efficient for server applications.

## Long description

HP Flexible Slot Power Supplies deliver up to 94% efficiency with 80Plus Platinum-certified designs that reduce server power consumption and lower wasted energy in data centers. The Flex Slot form factor is 25% smaller than the previous Common Slot generation, freeing internal space for additional server options and supporting improved overall server performance.
Advantages
These power supplies offer high energy efficiency to decrease operational power costs while maintaining IT performance. The compact Flex Slot design increases internal space for add-on components. Tool-less hot-plug access enables rapid service and replacement without specialized tools. Broad compatibility across the ProLiant DL300 Gen9 Server family simplifies spare parts management and helps reduce total data center costs. The 1400W Platinum Plus option includes embedded power-line communication support for HP Power Discovery Services.
Key specifications
Efficiency: up to 94% (80Plus Platinum certified)
Form factor reduction: 25% smaller than previous generation Common Slot
Serviceability: tool-less hot-plug access
Compatibility: supported across ProLiant DL300 Gen9 Server family
Optional feature: 1400W Platinum Plus with embedded power-line communication for Power Discovery Services
How to use
Install the Flex Slot power supply into compatible ProLiant DL300 Gen9 server bays according to the server maintenance guide. Use the tool-less hot-plug mechanism to remove or replace power supplies while the server remains powered, following proper safety and ESD procedures. When deploying the 1400W Platinum Plus option, enable and configure HP Power Discovery Services per your datacenter monitoring setup to collect power usage and telemetric data.
Recommendations
Choose the Flex Slot model that matches your server power requirements and compatibility with ProLiant DL300 Gen9 systems. Consider the 1400W Platinum Plus option if you require embedded power-line communication for HP Power Discovery Services and centralized power monitoring.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 500 W |
| Efficiency | 94 % |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |

### Performance

| Feature | Value |
|---|---|
| Purpose | Server |
| 80 PLUS certification | 80 PLUS Platinum |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.91 kg |
| Height | 225.3 mm |
| Width | 68 mm |
| Depth | 40.4 mm |

### Other features

| Feature | Value |
|---|---|
| Power supply type | Flex Slot |

## FAQ

### How much does the Power Supply Unit HPE 720478-B21 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, efficiency, 80 plus certification, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Power Supply Unit HPE 720478-B21?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/496059/64685488_large.webp