# Power supply HP 500W Platinum 865399-501-RFB ATX 12V

**URL:** https://aio.lv/en/product--hp-865399-501-rfb--11064668
**Data updated:** 2026-01-12 19:32 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** HP
**Manufacturer code:** 865399-501-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-865399-501-rfb--11064668

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

HP Power Supply 500W Platinum (model 865399-501-RFB) is an ATX 12V internal power unit designed for compatible HP systems. It delivers up to 500 watts with Platinum efficiency rating for stable power delivery and improved energy savings. Suitable for workstation or server replacements and upgrades where this exact HP module is required. Provides standard ATX 12V connectivity and fits systems built for this form factor.

## Long description

HP Power Supply 500W Platinum (model 865399-501-RFB) is an internal ATX 12V power unit designed for compatible HP workstations and servers. This unit delivers up to 500 watts of continuous power with a Platinum efficiency rating, providing stable voltage rails and reduced energy loss compared to lower-efficiency models. The power supply uses standard ATX 12V connectors and fits systems designed for this HP module, making it suitable for replacements or upgrades where the exact form factor and compatibility are required.
Advantages
The 500W Platinum power supply offers high efficiency to lower power consumption and heat generation, improving system reliability and reducing operating costs. Its OEM design ensures compatibility with HP systems that accept the 865399-501-RFB module, enabling straightforward installation without modification. The unit provides stable power delivery across common voltage rails and includes standard protection features expected in server and workstation power supplies.
Suitable for
Replacement of a faulty or aged HP internal power supply requiring MPN 865399-501-RFB
Upgrading HP workstations or small servers that support a 500W ATX 12V module
Systems needing a Platinum-efficiency PSU to improve energy efficiency and lower thermal output
Key specifications
Brand: HP
Model / MPN: 865399-501-RFB
Form factor: ATX 12V internal power supply
Maximum output: 500 W
Efficiency rating: Platinum
Compatibility: Designed for compatible HP workstations and servers accepting this module
How to use
Before installation, power down the system and disconnect all cables from the mains. Open the chassis according to the HP service manual for your specific model and locate the existing power supply. Disconnect all internal power connectors from the motherboard and devices, then remove the securing screws or clips and extract the old unit. Position the HP 865399-501-RFB power supply in the same orientation, secure it with the original fasteners, and connect the ATX 12V and peripheral power connectors to the motherboard and drives. Verify all connections are seated correctly, close the chassis, reconnect mains power, and perform a system power-on test.
Usage recommendations
Use this HP 500W Platinum power supply in systems explicitly compatible with MPN 865399-501-RFB. Confirm connector types and chassis fit before purchase. Operate the PSU in a well-ventilated environment with ambient temperatures within the system manufacturer's specified range, and ensure firmware and BIOS settings for power management are current for best performance.

## FAQ

### How much does the HP Power Supply 500W Platinum 865399-501-RFB cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 10.07.2026 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 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 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