# Power Supply HP 240W ATX for DC7800/DC7900 CMT

**URL:** https://aio.lv/en/product--hp-rp000112172--619499
**Data updated:** 2026-01-13 15:26 (EET)
**Category:** Other Repair Parts
**Manufacturer:** HP
**Manufacturer code:** RP000112172
**EAN:** 5712505046371
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-rp000112172--619499

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Replacement 240W ATX internal power supply for HP DC7800 and DC7900 CMT desktop models. Provides required power delivery and standard ATX connectivity for system stability and component operation. Suitable for repairing or upgrading compatible HP small-form desktops, restoring reliable boot and peripheral support in office or home environments.

## Long description

Replacement 240W ATX internal power supply designed for HP DC7800 and DC7900 CMT desktop models. This unit provides stable 240-watt power delivery with standard ATX connectors to support motherboard, CPU, storage devices and peripherals in small-form HP business desktops. It restores reliable boot performance and maintains proper voltages under typical office and home workloads, ensuring compatible operation with the original system form factor and mounting points.
Advantages
The 240W ATX power supply delivers consistent output across standard ATX rails to preserve system stability and protect components from voltage fluctuations. Its internal form factor and connector layout match the original HP design to simplify replacement without additional modifications. The unit supports common desktop peripherals and storage configurations typical of DC7800 and DC7900 CMT systems, helping to extend the usable life of the desktop while avoiding the cost of a full system replacement.
Suitable for
Repairing HP DC7800 and DC7900 CMT desktops with faulty or failing power supplies
Restoring stable boot and operation in office workstations
Replacing a damaged internal PSU after power events or component failure
Maintaining existing HP small-form desktops in home or business environments
Key specifications
Output power: 240 watts total across ATX rails
Form factor: internal ATX power supply compatible with HP small-form CMT chassis
Connectors: standard ATX motherboard connector and peripheral power connectors compatible with original HP desktop wiring
Voltage regulation: regulated outputs for stable +12V, +5V and +3.3V rails
Cooling: internally mounted fan with chassis airflow support
How to use
Power off the desktop and disconnect all cables before beginning. Open the chassis following HP service instructions for DC7800/DC7900 CMT models, remove the existing power supply by disconnecting the motherboard and peripheral connectors, and detach mounting screws. Install the replacement 240W ATX unit in the same orientation, secure with the original screws, and reconnect all power connectors to the motherboard, drives and peripherals. Close the chassis, reconnect external cables and power on the system to verify stable boot and normal device operation.
Usage recommendations
Use the replacement power supply in environments with adequate ventilation and stable mains power. Verify connector seating and cable routing to avoid strain on connectors and ensure proper airflow. If the system exhibits instability after installation, re-check all connections and consider testing with a multimeter or replacement components to isolate issues not related to the PSU.

## FAQ

### How much does the HP 240W ATX Power Supply for DC7800/DC7900 CMT cost, and is it available for purchase?

The price is 31.49 € (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 20.07.2026 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

## Image

https://aio.lv/img/cache/product/619499/51237745_large.webp