# Power Supply Unit LC-Power LC-400TFX V2.31 350 W

**URL:** https://aio.lv/en/product--lc-power-lc-400tfx-v231--313016
**Data updated:** 2025-12-28 21:15 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** LC-Power
**Manufacturer code:** LC-400TFX V2.31
**EAN:** 4260070124792
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The LC-Power LC-400TFX V2.31 is a reliable 350 W power supply unit designed for PCs. It features a 20+4 pin ATX connector and non-modular cabling, ensuring compatibility with various motherboards. With a peak power of 400 W and a maximum input current of +3.3V, +24V, and +5V, it provides stable power delivery. The compact TFX form factor and a single 8 cm fan ensure efficient cooling while maintaining a sleek black design. RoHS compliant for environmental safety.

## Long description

The LC-Power LC-400TFX V2.31 is a compact TFX power supply unit delivering 350 W of continuous power with up to 400 W peak output. Designed for small-form-factor PCs and HTPCs, it comes in a black housing, uses a non-modular cable design and a 20+4 pin ATX connector for broad motherboard compatibility. An 80 mm fan and a rear ventilation grille provide active cooling while keeping operating noise low. The unit is RoHS compliant and incorporates energy-saving technology to reduce standby consumption to around 0.24 W with an efficiency of approximately 85%.
Advantages
The LC-400TFX V2.31 combines a compact TFX form factor with a quiet 80 mm fan, offering effective cooling for small systems such as HTPCs. Its non-modular cabling and 20+4 pin ATX connector ensure compatibility with a wide range of motherboards. Energy-saving circuitry lowers standby power draw and helps maintain an efficiency near 85%, supporting lower overall power consumption.
Suitable for
HTPC and home theatre PCs
Small-form-factor and compact desktop systems
Office and business workstations with standard power demands
Key specifications
Total power: 350 W (400 W peak)
Efficiency: ~85%
Motherboard connector: 20+4 pin ATX
Fan diameter: 80 mm
Form factor: TFX
Colour: Black
Standby consumption: ~0.24 W
Weight: 1.23 kg
How to use
Install the LC-Power LC-400TFX V2.31 into a compatible TFX power supply bay following your PC case manufacturer’s instructions. Connect the 20+4 pin ATX cable to the motherboard and attach the remaining fixed cables to drives and peripherals as required. Ensure the rear ventilation grille is not obstructed to maintain airflow from the 80 mm fan. Verify all connections before powering on the system.
Usage recommendations
For reliable operation, use this PSU in systems whose continuous power draw does not approach the 350 W rating; allow clearance for airflow around the rear grille and avoid placing the unit in completely enclosed, non-ventilated compartments.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 350 W |
| Efficiency | 85 % |
| Power Factor Correction (PFC) type | Active |
| Peak power | 400 W |
| Combined power (+3.3V) | 97 W |
| Combined power (+12V) | 397 W |
| Combined power (+5V) | 97 W |
| Max output current (+3.3V) | 15 A |
| Max output current (+12V) | 32 A |
| Max output current (+5V) | 15 A |
| Maximum input current (@110V) | 3.3 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy disk drive connector | Yes |
| PCI Express connector | Yes |
| PCI Express power connectors (6-pin) | 1 |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 4 |
| ATX power connector (20+4 pin) | Yes |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 1 |
| Cabling type | Non-Modular |
| Number of PATA power connectors | 2 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| Power supply unit (PSU) form factor | TFX |

### Design

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

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.23 kg |
| Height | 69 mm |
| Width | 85 mm |
| Depth | 175 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Box |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 LC-Power 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 LC-Power 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, efficiency, motherboard power connector, 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 LC-Power LC-400TFX V2.31?

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/313016/64772882_large.webp