# Power Supply Unit Inter-Tech SFX-300W 300W

**URL:** https://aio.lv/en/product--inter-tech-88882153--1616106
**Data updated:** 2025-12-29 07:43 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** INTER-TECH
**Manufacturer code:** 88882153
**EAN:** 4260455640381
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 39.99 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 33.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inter-tech-88882153--1616106

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Inter-Tech SFX-300W power supply unit offers a total power of 300W with a 20+4 pin ATX connector. It supports AC input voltage from 110 to 240V and operates at a frequency of 50 to 60 Hz. This ATX form factor PSU is 80 PLUS certified, ensuring energy efficiency. It features a single 8 cm fan for cooling and has dimensions of 125 mm width, 100 mm depth, and 63.5 mm height, making it a compact choice for PC builds.

## Long description

The Inter-Tech SFX-300W is a compact SFX power supply unit delivering up to 300 W for desktop systems with specific space and performance requirements. It includes a 20+4 pin ATX motherboard connector, supports AC input from 110–240 V at 50–60 Hz, and features a single 80 mm cooling fan. The unit follows the SFX form factor and is 80 PLUS certified for energy efficiency, measuring 125 mm × 100 mm × 63.5 mm and weighing 0.81 kg.
Advantages
The SFX-300W offers multiple connection options including a PCIe 6+2 pin plug for powering discrete graphics cards with higher consumption. Its 80 PLUS certification ensures improved energy efficiency (over 82%), which reduces power loss and helps lower operating costs. The small SFX size and grey housing make it suitable for compact PC builds where space is limited.
Suitable for
Small form factor desktop PCs
Home or office systems with modest power needs
Builds requiring a PCIe 6+2 pin connector for a mid-range GPU
Energy-conscious users seeking an 80 PLUS certified PSU
Key specifications
Total power: 300 W
Motherboard connector: 20+4 pin ATX
PCIe connector: 6+2 pin
AC input: 110–240 V, 50–60 Hz
Certification: 80 PLUS
Fan diameter: 80 mm
Dimensions (W×D×H): 125 × 100 × 63.5 mm
Weight: 0.81 kg
Colour: Grey
How to use
Install the SFX-300W into a compatible SFX or SFX-to-ATX adapter bay following the case manufacturer’s mounting instructions. Connect the 20+4 pin ATX cable to the motherboard and attach the SATA/Molex or PCIe 6+2 pin connectors to your drives and graphics card as required. Ensure the AC mains cable is rated for your local voltage and plug it into a grounded outlet. Power on the system and monitor voltages and temperatures during the first boot.
Usage recommendations
For reliable operation, avoid running the supply continuously near its maximum rated power. Ensure adequate case airflow around the 80 mm fan and use a compatible cable configuration for your components. If you plan to use a high-power graphics card, verify the combined system power draw to remain within the 300 W rating.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 300 W |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over voltage, Over current, Short circuit |
| Combined power (+3.3V) | 26.4 W |
| Combined power (+12V) | 132 W |
| Combined power (+5V) | 40 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 12.5 W |
| Max output current (+3.3V) | 8 A |
| Max output current (+5V) | 8 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Input current | 4 - 8 |
| AC input frequency | 50 - 60 |
| AC input voltage | 110 - 240 |
| Max output current (+12V2) | 11 A |
| Max output current (+12V1) | 11 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 3 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 1 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 80 mm |
| Number of fans | 1 fan(s) |
| Product colour | Grey |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.81 kg |
| Height | 63.5 mm |
| Width | 125 mm |
| Depth | 100 mm |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Power Supply Unit Inter-Tech SFX-300W 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 — 1596 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 22.06.2026 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 INTER-TECH 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 INTER-TECH 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, motherboard power connector, 80 plus certification, fan diameter, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Power Supply Unit Inter-Tech SFX-300W?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1616106/64778119_large.webp