# Power supply HP 500W Platinum 865399-001-RFB ATX 12V

**URL:** https://aio.lv/en/product--hp-865399-001-rfb--11591145
**Data updated:** 2026-01-12 19:35 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** HP
**Manufacturer code:** 865399-001-RFB
**EAN:** 5715328133112
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 26.85 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-865399-001-rfb--11591145

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

HP Power Supply 500W Platinum (model 865399-001-RFB) is an ATX 12V internal power unit delivering up to 500 watts with Platinum efficiency rating. Designed for compatible HP systems and workstations, it provides stable DC output, multiple standard connectors, and protection features for reliable operation. Suitable for system upgrades or replacements to ensure efficient power delivery and reduced energy losses.

## Long description

HP Power Supply 500W Platinum (model 865399-001-RFB) is an internal ATX 12V unit that provides up to 500 watts of DC power for compatible HP desktops and workstations. The supply is built to the ATX 12V form factor and carries a Platinum efficiency rating, which indicates reduced energy losses and improved conversion efficiency compared with lower-rated units. The unit includes standard power connectors and built-in protection features to deliver stable voltage to system components during normal operation.
Advantages
The 500W capacity supports mid-range system configurations while the Platinum efficiency helps lower power consumption and heat generation. As an HP-branded part with manufacturer code 865399-001-RFB and EAN 5715328133112, this power supply is a direct-fit option for compatible HP systems, designed to meet original equipment specifications. Integrated protection mechanisms help guard against over-voltage, over-current and short-circuit conditions to maintain reliable operation.
Suitable for
 Replacing a failed or degraded internal power supply in compatible HP desktops and workstations
 Upgrading from lower-efficiency units to reduce energy consumption
 Building or restoring systems that require an ATX 12V form factor with 500W capacity
Key specifications
 Brand: HP
 Model / MPN: 865399-001-RFB
 EAN: 5715328133112
 Form factor: ATX 12V
 Maximum output power: 500 W
 Efficiency rating: Platinum
How to use
Before installation, verify compatibility with the target HP system by checking chassis and connector layouts. Power down the system, disconnect mains power and follow antistatic precautions. Remove the existing power supply according to the system service manual, then mount the HP 500W Platinum unit in the same location and secure it with the original screws. Connect all required motherboard and peripheral power connectors, ensuring firm seating. Restore mains power and perform an initial power-on test to confirm stable operation and proper fan activity.
Usage recommendations
The power supply is intended for installation by users familiar with desktop hardware or by qualified service personnel. Use the HP 865399-001-RFB unit in systems specified by HP for this part number to ensure mechanical and electrical compatibility. For reliable operation, maintain adequate airflow in the chassis and avoid exposing the unit to excessive dust, moisture or heat.

## FAQ

### How much does the HP Power Supply 500W Platinum 865399-001-RFB cost, and is it available for purchase?

The price is 32.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 13.07.2026 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