# Power supply HP Z840 1125W 90 - internal PSU for HP Z840 workstation, 1125W output

**URL:** https://aio.lv/en/product--hp-719799-003-rfb--10867823
**Data updated:** 2026-01-12 19:32 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** HP
**Manufacturer code:** 719799-003-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 178.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 147.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-719799-003-rfb--10867823

## 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

Internal power supply unit for HP Z840 workstation, model 1125W 90. Provides up to 1125 watts of DC output to support high-performance components in professional workstations. Designed for direct replacement or upgrade of compatible HP Z840 systems, it ensures stable power delivery for multicore CPUs, multiple GPUs and extensive storage arrays, reducing downtime and supporting heavy workloads.

## Long description

The Power supply HP Z840 1125W 90 is an internal replacement PSU designed for the HP Z840 workstation. This 1125-watt power supply provides stable DC output to support multicore processors, multiple graphics cards and extensive storage arrays in professional workstations. Compatible with HP Z840 systems and offered under MPN 719799-003-RFB, the unit is intended for direct swap-in replacement or upgrade to restore reliable power delivery and reduce system downtime.
Advantages
The internal PSU delivers a high continuous power rating of 1125 W to meet the demands of compute- and GPU-intensive workloads while maintaining voltage stability across rails. As a form-fit replacement for HP Z840 workstations, it simplifies maintenance and reduces parts compatibility issues. Designed and manufactured to HP specifications, the unit supports hot-plug power configurations in supported chassis and helps ensure system reliability during prolonged operation.
Suitable for
Professional workstations running multicore CPUs and multi-GPU configurations
Video editing, 3D rendering and scientific computing workloads
Systems requiring a direct replacement or upgrade for HP Z840 power supply
Environments where continuous, stable DC power is required for storage and expansion cards
Key specifications
Model: HP Z840 internal PSU, 1125W 90
Manufacturer part number (MPN): 719799-003-RFB
Output power: 1125 watts (DC)
Compatibility: HP Z840 workstation
Form factor: internal workstation power supply
How to use
Before installation, power down the HP Z840 workstation, disconnect the AC mains cable and ground yourself to avoid electrostatic discharge. Open the chassis according to HP service instructions, remove the faulty or existing PSU and install the HP Z840 1125W 90 unit into the same mounting position, ensuring all connectors match the motherboard, GPU and drive power connectors. Reconnect the AC mains cable and verify system POST and power stability. Follow HP service manuals for torque and connector seating details.
Usage recommendations
Use this PSU as a direct replacement for compatible HP Z840 systems and verify firmware and system BIOS are up to date. Ensure adequate chassis ventilation and clean filters or fans periodically to maintain cooling. If multiple GPUs or aftermarket cards are installed, confirm total system power draw does not exceed the PSU rating and use appropriate power distribution cables where required.

## FAQ

### How much does the Power supply HP Z840 1125W 90 cost, and is it available for purchase?

The price is 178.49 € (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 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 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