# Power Supply 1stCOOL Zdroj Golden Worker TFX 300 300W

**URL:** https://aio.lv/en/product--1stcool-tfx-300w--11516137
**Data updated:** 2025-12-31 08:38 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** 1stCool
**Manufacturer code:** TFX-300W
**EAN:** 8594192891482
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--1stcool-tfx-300w--11516137

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The 1stCOOL Zdroj Golden Worker TFX 300 is a reliable 300W power supply designed for TFX form factor cases. It features an 88% efficiency rating, ensuring energy savings and reduced heat output. With its compact design, it fits easily into smaller systems while providing stable power for your components. Ideal for budget builds, it offers essential protection features such as over-voltage and short-circuit protection, making it a safe choice for your PC.

## Long description

The 1stCOOL Zdroj Golden Worker TFX 300 is a compact 300W power supply in TFX format designed for small-form-factor PC builds. It delivers up to 300 watts with an efficiency rating of approximately 88%, reducing energy loss and heat generation while fitting into tighter chassis. The unit provides basic protection functions such as over-voltage and short-circuit protection and includes standard connectors for CPU, motherboard, graphics and peripherals.
Advantages
The TFX 300 offers a small footprint suitable for compact cases, an efficiency around 88% for lower power waste, and integrated safety protections to help safeguard connected components. Its connector set covers a 24-pin ATX motherboard connection plus CPU, PCIe, SATA and Molex interfaces for typical budget systems.
Suitable for
Compact or low-profile desktop systems using TFX power supplies
Budget PC builds that require a reliable 300W unit
Office computers, home multimedia PCs and light-duty workstations
Key specifications
Form factor: TFX
Rated power: 300 W
Efficiency: ~88%
Motherboard connector: ATX 24-pin
CPU connector: 8-pin (1x)
PCIe connectors: 6-pin and 8-pin
Storage/peripheral connectors: SATA 15-pin, Molex
MPN: TFX-300W; EAN: 8594192891482
How to use
Install the power supply into a compatible TFX chassis following the case manufacturer's instructions. Connect the ATX 24-pin cable to the motherboard and attach the 8-pin CPU connector to the CPU power header. Use the provided PCIe, SATA and Molex connectors for the graphics card and peripheral devices as required. Ensure all connections are secure before powering on the system.
Usage recommendations
Use this 300W TFX supply in systems with modest power demands; avoid pairing it with high-end multi-GPU or heavily overclocked components. Verify case compatibility with the TFX form factor and check total system power draw to ensure the 300W rating is sufficient.

## FAQ

### How much does the Power Supply 1stCOOL Zdroj Golden Worker TFX 300 cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 06.07.2026 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/11516137/66532058_large.webp