# Power Supply Unit Sbox PSU-400/ATX-400W

**URL:** https://aio.lv/en/product--sbox-psu-400--4247670
**Data updated:** 2026-02-12 14:06 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** SBOX
**Manufacturer code:** PSU-400
**EAN:** 9997790757089
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 24.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sbox-psu-400--4247670

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | 19.06.2026 | 1.99 EUR |
| Courier delivery to door | 19.06.2026 | 4.99 EUR |

## Summary description

The Sbox PSU-400/ATX-400W is a reliable power supply unit designed for ATX systems. It delivers a stable 400W output, ensuring efficient power distribution for your components. With multiple protection features such as over-voltage, over-current, and short-circuit protection, it guarantees the safety of your hardware. Its compact design and quiet operation make it an ideal choice for any PC build.

## Long description

The Sbox PSU-400/ATX-400W is a power supply unit for ATX systems that provides a stable 400W output for desktop computer components. Designed for general-purpose PC builds, it offers common protection functions including over-voltage protection, over-current protection and short-circuit protection. The unit features a compact form factor and is engineered for quiet operation to suit a range of home and office configurations.
Advantages
The Sbox PSU-400/ATX-400W supplies a consistent 400W of power to system components while integrating standard safety mechanisms to protect hardware from electrical faults. Its compact design reduces installation space requirements, and the quiet operation minimizes audible noise during normal use. The combination of stable output and protection features makes it suitable for routine desktop computing needs.
Suitable for
Mainstream ATX desktop PCs
Home and office computer builds
Upgrades where a reliable 400W power source is required
Systems prioritizing compact PSU size and low-noise operation
Key specifications
Form factor: ATX power supply compatible with standard ATX cases
Rated output power: 400W
Protection features: over-voltage protection, over-current protection, short-circuit protection
Design characteristics: compact physical size and low-noise operation
How to use
Install the Sbox PSU-400/ATX-400W into a compatible ATX case using the standard PSU mounting points. Connect the unit to the motherboard and peripherals using the provided power connectors appropriate for your components. Ensure that total system power draw does not exceed the 400W rated output and that all connectors are firmly seated. After installation, connect the mains power cable and verify functionality by powering on the system and checking for normal startup behavior and absence of warning indicators.
Usage recommendations
For reliable operation, use the Sbox PSU-400/ATX-400W in systems whose combined component power requirements stay within the 400W rating. Keep airflow around the PSU unobstructed and perform periodic visual inspections of cables and connectors. If the system experiences frequent power-related issues, consult a qualified technician and consider a higher-capacity unit.

## FAQ

### How much does the Power Supply Unit Sbox PSU-400 cost, and is it available for purchase?

The price is 29.49 € (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 Tuesday 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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 SBOX 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 SBOX 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/4247670/10941471_large.webp