# Power Supply 1stCOOL Zdroj Golden Worker TFX 400 400W

**URL:** https://aio.lv/en/product--1stcool-tfx-400w--11516138
**Data updated:** 2025-12-31 08:38 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** 1stCool
**Manufacturer code:** TFX-400W
**EAN:** 8594192891499
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 39.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 33.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--1stcool-tfx-400w--11516138

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The 1stCOOL Zdroj Golden Worker TFX 400 is a reliable 400W power supply designed for TFX cases. It features an 88% efficiency rating, ensuring energy savings and reduced heat output. With its compact design, it fits perfectly in smaller systems while providing stable power for your components. Ideal for everyday computing needs, this power supply offers a balance of performance and efficiency.

## Long description

The 1stCOOL Zdroj Golden Worker TFX 400 is a compact 400W power supply designed specifically for TFX form-factor systems. It provides up to 400 watts of continuous power and is intended for small or slim desktop builds where space is limited. The unit offers an efficiency rating of approximately 88%, helping to reduce energy waste and heat generation while delivering stable power to system components.
Advantages
The TFX 400 combines a small footprint suitable for compact cases with a rated 88% efficiency to improve energy use. It includes a range of connectors — ATX 24-pin motherboard connector, an 8-pin CPU connector, PCIe 6-pin and 8-pin power outputs, multiple SATA connectors, and Molex — enabling compatibility with a variety of components in typical home or office systems. The compact design facilitates installation in constrained spaces without sacrificing necessary power delivery.
Suitable for
 Small form-factor TFX desktop builds
 Everyday office and home computers
 Systems requiring multiple SATA devices (HDD/SSD) and legacy Molex peripherals
 Upgrades for compact cases needing an ATX 24-pin and 8-pin CPU supply
Key specifications
 Power output: 400 W
 Form factor: TFX
 Efficiency: ~88%
 Motherboard connector: ATX 24-pin
 CPU connector: 8-pin (1x)
 PCIe connectors: 6-pin (1x), 8-pin (1x)
 SATA connectors: 15-pin (multiple)
 Molex connectors: included
 Brand: 1stCool, MPN: TFX-400W, EAN: 8594192891499
How to use
Install the power supply into a compatible TFX case following the case manufacturer’s instructions. Connect the ATX 24-pin connector to the motherboard main power socket and the 8-pin CPU connector to the CPU power header. Attach PCIe 6-pin or 8-pin connectors to supported graphics cards if required. Use the SATA connectors for HDDs and SSDs and Molex connectors for legacy peripherals. Ensure all connections are secure and that the system is powered off before connecting or disconnecting any cables.
Usage recommendations
Use this 400W TFX power supply in systems with moderate power requirements; check total component power draw before installation. Maintain adequate case ventilation to ensure efficient operation and avoid overloading the unit with high-draw GPUs or numerous power-hungry devices.

## FAQ

### How much does the Power Supply 1stCOOL Zdroj Golden Worker TFX 400 cost, and is it available for purchase?

The price is 39.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 08.07.2026 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/11516138/66532060_large.webp