# Power Supply Unit Seasonic SSP-400ET2 400 W

**URL:** https://aio.lv/en/product--seasonic-ssp-400es2--4042903
**Data updated:** 2025-12-29 14:00 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** SEASONIC
**Manufacturer code:** SSP-400ES2
**EAN:** 4711173876588
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Seasonic SSP-400ET2 is a reliable 400 W ATX power supply unit designed for PCs. It supports AC input voltage of 100 - 240 V and frequency of 50 - 60 Hz. With non-modular cabling, it is easy to install. The PSU is 80 PLUS Bronze certified, ensuring energy efficiency. It features active cooling with one fan for optimal performance. The grey color adds a sleek look, while certifications like CE and FCC ensure safety and compliance.

## Long description

The Seasonic SSP-400ET2 is a 400 W ATX power supply unit designed for desktop and industrial-grade PC systems. It complies with ATX 12 V v2.3 and carries an 80 PLUS Bronze efficiency rating. The unit accepts full AC input (100–240 V, 50–60 Hz) and provides stable, efficient power with active cooling managed by a low-noise fan. It meets the IEC 62368-1 safety standard and includes common safety certifications such as CE and FCC.
Advantages
The SSP-400ET2 offers stable output and energy savings thanks to its 80 PLUS Bronze certification and efficient internal design. Low-noise fan control reduces acoustic impact while ensuring adequate cooling. Full AC input compatibility makes it suitable for worldwide operation, and compliance with IEC 62368-1 plus standard safety certifications provide verified electrical safety and reliability.
Suitable for
Desktop PCs and workstations requiring an ATX 12 V v2.3 power supply
Industrial or embedded systems built on ATX form factor
Systems where energy efficiency and quiet operation are needed
Key specifications
Total power: 400 W
ATX standard: ATX 12 V v2.3 compliant
Efficiency: 80 PLUS Bronze
AC input: 100–240 V, 50–60 Hz
Cabling: non-modular
Cooling: single active fan with low-noise control
Colour: Grey
Safety: IEC 62368-1 compliant; CE, FCC certifications
How to use
Install the Seasonic SSP-400ET2 into a compatible ATX chassis following the chassis and motherboard manufacturer instructions. Connect the 24-pin ATX main connector, the required CPU and peripheral connectors, and route cables to avoid blocking airflow. Verify AC mains voltage compatibility (100–240 V) before powering on. After connection, power up the system and monitor for normal operation and fan activity.
Usage recommendations
For reliable performance, ensure adequate case ventilation and avoid operating the unit in high-temperature or dusty environments. Use correct connectors for your motherboard and devices and perform periodic inspections for dust buildup. Do not open the power supply housing; refer servicing to qualified technicians.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 400 W |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over power, Over voltage, Short circuit |
| Combined power (+3.3V) | 130 W |
| Combined power (+12V) | 360 W |
| Combined power (+5V) | 130 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 12.5 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |
| Max output current (+12V2) | 18 A |
| Max output current (+12V1) | 18 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Floppy disk drive connector | Yes |
| Cabling type | Non-Modular |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| Mean time between failures (MTBF) | 100000 h |
| ATX version | 2.3 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan location | Top |
| Product colour | Grey |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, FCC, RCM
IEC 62368-1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Safety regulation & standards

| Feature | Value |
|---|---|
| Safety | cTUVus, TUV, CB, CCC, BSMI |

## 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 SEASONIC 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 SEASONIC 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, 80 plus certification, 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 Seasonic SSP-400ET2?

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/4042903/64791412_large.webp