# Power Supply 1stCOOL Zdroj White Storm SFX 400, 400W

**URL:** https://aio.lv/en/product--1stcool-sfx-400w--11516136
**Data updated:** 2026-01-15 13:47 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** 1stCool
**Manufacturer code:** SFX-400W
**EAN:** 8594192891475
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--1stcool-sfx-400w--11516136

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The 1stCOOL Zdroj White Storm SFX 400 is a compact 400W power supply designed for SFX cases. It features an 85% efficiency rating, ensuring reliable power delivery and reduced energy costs. With multiple protection mechanisms, including over-voltage and short-circuit protection, it guarantees the safety of your components. Its silent operation and durable design make it an ideal choice for building a powerful yet quiet system.

## Long description

The 1stCOOL Zdroj White Storm SFX 400 is a compact 400W SFX power supply intended for small form-factor desktop systems. It delivers up to 400 watts with an efficiency around 85% and includes multiple built-in protections to keep connected components safe. The unit is designed for quiet operation and fits SFX-compatible chassis while providing common connector types for modern PC builds.
Advantages
The power supply offers a compact SFX form factor suited to small cases, stable 400W output and approximately 85% efficiency to reduce wasted energy. It includes protection features such as over-voltage and short-circuit protection and operates with low noise levels. The design provides a range of connectors for CPU, GPU, motherboard and storage devices while maintaining durable construction for regular use.
Suitable for
 Compact SFX desktop builds and small form-factor gaming PCs
 Home or office systems requiring a quiet power supply
 Systems with a single GPU or low-to-mid power components
Key specifications
 Output power: 400 W
 Form factor: SFX
 Efficiency: approximately 85%
 Cooling: silent operation (low-noise design)
 Protection features: over-voltage protection, short-circuit protection (and other standard protections)
 Connectors: ATX 24-pin motherboard, 8-pin CPU (1x), PCIe 6-pin, PCIe 8-pin, SATA 15-pin, Molex
How to use
Install the 1stCOOL White Storm SFX 400 into an SFX-compatible case following the case manufacturer’s mounting instructions. Connect the ATX 24-pin cable to the motherboard, attach the 8-pin CPU connector to the CPU power header, and use the supplied PCIe, SATA and Molex connectors for graphics cards, drives and peripherals as required. Ensure all connectors are fully seated and route cables to avoid airflow obstruction. Verify voltage selection if applicable and power on the system to check stable operation.
Usage recommendations
Use this power supply in cases that explicitly support SFX units and pair it with components whose combined power draw stays comfortably below 400 W. Keep ventilation clear and periodically check connections; for high-end multi-GPU or heavily overclocked systems, consider a higher-capacity PSU.

## FAQ

### How much does the Power Supply 1stCOOL Zdroj White Storm SFX 400 cost, and is it available for purchase?

The price is 36.99 € (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 01.07.2026 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, 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 1stCool 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 1stCool 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/11516136/66532056_large.webp