# Power Supply Unit Lenovo 550W 94Y8173-RFB ATX 12V

**URL:** https://aio.lv/en/product--lenovo-94y8173-rfb--11059597
**Data updated:** 2026-01-12 19:32 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** Lenovo
**Manufacturer code:** 94Y8173-RFB
**EAN:** 5704174974185
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-94y8173-rfb--11059597

## 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

ATX 12V power supply unit by Lenovo, model 94Y8173-RFB, rated at 550W. Designed for desktop systems compatible with ATX 12V form factor, it supplies power to motherboard and peripherals. Suitable for system builds or replacements where a 550W ATX 12V PSU is required. Provides reliable power delivery for general computing and light workstation use.

## Long description

The Lenovo Power Supply Unit 550W 94Y8173-RFB is an ATX 12V internal power supply designed for desktop systems that follow the ATX form factor. Rated at 550 watts, this unit provides the primary power rails required by motherboards, CPUs and connected peripherals. It is intended for system builds or direct replacement in compatible Lenovo or third‑party chassis where a 550W ATX 12V PSU is specified. The unit includes standard ATX connectors to deliver stable DC power for general computing and light workstation use.
Advantages
This Lenovo 550W ATX 12V power supply offers a balance of rated output and compact compatibility with ATX desktop systems. The unit is engineered to supply consistent voltages on the main rails and standard connectors, reducing the risk of instability during typical office, home or light professional workloads. As a genuine Lenovo part (MPN 94Y8173-RFB, EAN 5704174974185), it is suitable for straightforward replacement scenarios and system maintenance where documented compatibility is required.
Suitable for
 Replacing a failed or aging ATX 12V power supply in compatible desktop systems
 System builds that require a 550W PSU for general computing and light workstation tasks
 Repair and maintenance of Lenovo desktop models that accept 94Y8173-RFB or equivalent ATX 12V units
Key specifications
 Brand: Lenovo
 Model / MPN: 94Y8173-RFB
 EAN: 5704174974185
 Form factor: ATX 12V (internal power supply)
 Rated power: 550W
 Compatibility: ATX desktop motherboards and compatible Lenovo chassis
How to use
Power off the system and disconnect it from the mains before installing the unit. Open the computer chassis following the manufacturer’s service instructions. Remove the existing power supply by disconnecting all motherboard and peripheral connectors, and unscrewing the PSU from the case. Position the Lenovo 94Y8173-RFB unit into the PSU bay, secure it with the mounting screws, and connect the ATX 24/20‑pin main connector, the 4/8‑pin CPU power connector and required peripheral/SATA connectors. Verify all connections, close the chassis, reconnect the mains and power on the system to confirm proper operation.
Usage recommendations
Use this 550W ATX 12V power supply in systems that match the ATX form factor and power requirements. Ensure the PSU’s connector set meets your motherboard and peripheral needs, and consult Lenovo service documentation or a qualified technician if you are unsure about compatibility or installation steps.

## FAQ

### How much does the Power Supply Unit Lenovo 94Y8173-RFB 550W cost, and is it available for purchase?

The price is 8.99 € (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 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