# Power supply HP Enterprise 900W AC 240VDC model 775595-B21-RFB

**URL:** https://aio.lv/en/product--hp-enterprise-775595-b21-rfb--3473792
**Data updated:** 2026-01-12 19:30 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 775595-B21-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-775595-b21-rfb--3473792

## 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 Enterprise power supply, model 775595-B21-RFB, rated at 900W for use with compatible server hardware. Designed for AC input and 240VDC operation, it provides stable power delivery for critical systems. Suitable for replacing or upgrading server power modules to ensure reliable operation, reduce downtime, and maintain data center availability.

## Long description

HP Enterprise 900W AC 240VDC model 775595-B21-RFB is a server power supply unit designed for compatible HP Enterprise systems. Rated at 900 watts, this PSU supports AC input and 240VDC operation to deliver stable power to critical server components. The unit is intended for replacing or upgrading existing server power modules to maintain consistent power delivery and help reduce unplanned downtime in rack or blade deployments.
Advantages
The HP Enterprise 775595-B21-RFB provides a high-power, single-unit solution with a 900W rating suitable for demanding server loads. It supports AC input and is specified for 240VDC operation, enabling use in data center environments that employ DC distribution. The design focuses on stability and compatibility with HP Enterprise hardware, helping to ensure continuous operation and simplify inventory of spare PSUs.
Suitable for
 Replacing failed or aging PSUs in compatible HP Enterprise servers
 Upgrading power capacity in rack-mounted or blade server systems
 Maintaining spare parts inventory for data center resilience
 Deployments where 240VDC power distribution is used
Key specifications
 Brand: HP Enterprise
 Model / MPN: 775595-B21-RFB
 Power rating: 900W
 Input type: AC (designed for 240VDC operation)
 Category: PSU (Power Supply Unit)
How to use
Before installation, verify compatibility with the target HP Enterprise server model and confirm that the data center power distribution supports the unit's AC and 240VDC specifications. Power down the server following manufacturer shutdown procedures and disconnect mains power. Remove the existing power module according to the server service manual and install the 775595-B21-RFB in the same bay or slot until it seats securely. Reconnect mains power and power on the server, then monitor system logs and hardware status indicators to confirm proper operation.
Usage recommendations
Store and install the HP Enterprise 775595-B21-RFB in a controlled environment within the manufacturer's specified temperature and humidity ranges. Use certified replacement parts and follow HP Enterprise service documentation for safe handling, ESD precautions, and correct installation procedures. Keep spare units on hand to minimize downtime and perform periodic checks of power connections and system firmware to ensure ongoing compatibility.

## FAQ

### How much does the HP Enterprise power supply 775595-B21-RFB 900W cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 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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