# Power supply unit Lenovo 900W 88Y7431-RFB ATX 12V, internal PSU for servers/workstations

**URL:** https://aio.lv/en/product--lenovo-88y7431-rfb--11092868
**Data updated:** 2026-01-12 19:33 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** Lenovo
**Manufacturer code:** 88Y7431-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.99 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 14.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-88y7431-rfb--11092868

## 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

Internal ATX 12V power supply unit by Lenovo, model 88Y7431-RFB, rated 900W. Designed for use in compatible servers and workstations, it delivers stable power for CPUs, drives and expansion cards. Features standard ATX 12V interface and compact internal form factor to support reliable operation and system uptime in professional environments.

## Long description

The Lenovo 900W 88Y7431-RFB internal power supply unit is an ATX 12V PSU designed for compatible servers and workstations. Rated at 900 watts, this unit provides a stable power source for CPUs, storage devices and expansion cards within systems that accept the standard ATX 12V interface and the internal form factor. The design is intended to support continuous operation in professional environments where reliable delivery of power and system uptime are required.
Advantages
This Lenovo 900W power supply delivers consistent 900W output and follows the ATX 12V specification to ensure compatibility with systems designed for that interface. Its internal compact form factor allows installation into supported server and workstation chassis without external adapters. The unit is produced under Lenovo part number 88Y7431-RFB and is matched to configurations that require a robust single-PSU solution for processors, drives and add-in cards.
Suitable for
Replacement or upgrade in compatible Lenovo servers and workstations that use ATX 12V internal PSUs
Systems requiring up to 900W of continuous power for CPUs, multiple storage drives and expansion cards
Professional environments where equipment uptime and stable power delivery are needed
Key specifications
Brand: Lenovo
Model / MPN: 88Y7431-RFB
Power rating: 900W
Form factor: internal ATX 12V
Intended use: servers and workstations
How to use
Install the PSU into a compatible server or workstation chassis that supports internal ATX 12V power supplies and the physical dimensions of this unit. Before installation, power down the system and disconnect all external power sources. Secure the PSU in the chassis with the manufacturer-recommended fasteners, connect the ATX 12V main power cable(s) to the motherboard and attach any necessary drive and peripheral power connectors to storage devices and expansion cards. After connections are verified, restore AC power and perform a controlled system power-up to confirm stable operation.
Usage recommendations
Use this Lenovo 900W 88Y7431-RFB power supply only in systems specified to accept internal ATX 12V PSUs and compatible connector pinouts. Verify compatibility with the system manual or support resources before purchase. Ensure adequate cooling and clean airflow within the chassis to maintain PSU temperature within specified operating ranges.

## FAQ

### How much does the Lenovo Power Supply 900W 88Y7431-RFB cost, and is it available for purchase?

The price is 16.99 € (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 Lenovo 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 Lenovo 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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