# Power supply HP Enterprise 750W Platinum Plus 643955-101-RFB for servers

**URL:** https://aio.lv/en/product--hp-enterprise-643955-101-rfb--3202342
**Data updated:** 2026-01-12 19:29 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 643955-101-RFB
**EAN:** 5706998922489
**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-643955-101-rfb--3202342

## 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

Server power supply HP Enterprise 750W Platinum Plus (model 643955-101-RFB) provides up to 750 watts of output with Platinum Plus efficiency. Designed for compatible HP server systems, it supplies stable power, supports redundant configurations and hot-swap serviceability where supported, and helps reduce energy costs and heat generation in rack environments.

## Long description

The Power supply HP Enterprise 750W Platinum Plus 643955-101-RFB for servers delivers up to 750 watts of DC output with Platinum Plus efficiency for compatible HP Enterprise server systems. It is designed to provide stable power delivery in rack and data center environments, support redundant configurations where the server chassis allows, and enable hot-swap replacement in systems that implement hot-plug power supplies. The unit follows HP Enterprise electrical and mechanical interfaces (model 643955-101-RFB) and is suitable for deployments that prioritize energy efficiency and predictable thermal load.
Advantages
This HP Enterprise 750W power supply offers high energy efficiency (Platinum Plus), which reduces power draw and heat generation compared with lower-efficiency units. The 750W capacity supports a broad range of server configurations while allowing for redundant setups in multi-supply chassis. The module is designed for easy serviceability in supported systems, including hot-swap capability, and conforms to HP Enterprise form factor and connector standards for compatibility with specified server models.
Suitable for
Enterprise rack servers requiring a 750W power supply
Redundant power configurations in compatible HP server chassis
Data center deployments focused on energy efficiency
Systems that support hot-swap/hot-plug power modules
Key specifications
Brand: HP Enterprise
Model / MPN: 643955-101-RFB
EAN: 5706998922489
Output power: 750W
Efficiency rating: Platinum Plus
Compatibility: designed for compatible HP Enterprise servers and chassis (form factor and connector per HP specifications)
Serviceability: supports hot-swap where server implements hot-plug power supplies
How to use
Install the power supply into a compatible HP Enterprise server chassis following the server manufacturer's instructions. Ensure the server is powered down and that any required electrostatic discharge precautions are observed unless performing a hot-swap in a system that explicitly supports it. Slide the unit into the designated power bay until it engages with the internal connector and latch. Connect the external AC power cord to a suitable power source and verify that the server recognizes the supply and that LED or management indicators report normal status. For redundant systems, install additional matched units per the server’s redundancy guidelines.
Usage recommendations
Use this HP Enterprise 750W Platinum Plus power supply in environments with adequate cooling and within the operating voltage and temperature ranges specified by the server vendor. Replace failed units with the same model or compatible HP-approved replacements to maintain redundancy and efficiency. Verify firmware and server management settings if the unit is not recognized or if power management alerts appear.

## FAQ

### How much does the HP Enterprise Power Supply 750W Platinum Plus 643955-101-RFB 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 — 1 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

## Image

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