# Power Supply Unit Chieftec Smart GPS-400A8 400 W

**URL:** https://aio.lv/en/product--chieftec-gps-400a8--48704
**Data updated:** 2025-12-28 21:04 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** CHIEFTEC
**Manufacturer code:** GPS-400A8
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.99 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 27.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-gps-400a8--48704

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tomorrow | free |
| Pickup points | Wednesday | 2.49 EUR |
| Courier delivery to door | Wednesday | 4.99 EUR |

## Summary description

The Chieftec Smart GPS-400A8 is a reliable 400 W power supply unit designed for PCs. It features a 20+4 pin ATX motherboard connector, non-modular cabling, and operates at an AC input voltage of 230 V with a frequency of 47 - 63 Hz. The unit is equipped with a 12 cm fan for efficient cooling and is RoHS compliant, ensuring it meets environmental standards. Its compact ATX form factor and sleek black design make it a great addition to any PC build.

## Long description

The Chieftec Smart GPS-400A8 400 W power supply unit delivers dependable power for desktop PC builds in a compact ATX form factor. Finished in black, the non-modular unit comes with long native cables, a standard power cord and a protective carton. It supports a 20+4 pin ATX motherboard connector, operates from 230 V AC at 47–63 Hz and uses a 120 mm fan for cooling; the unit is RoHS-compliant and provides efficiency of over 80%.
Advantages
The SMART SERIES offers a balance of quality and efficiency at an affordable price. The GPS-400A8 provides stable 400 W output, long native cabling for easy internal routing, a 120 mm cooling fan for effective heat dissipation and RoHS compliance for reduced environmental impact.
Suitable for
 Office desktop PCs with moderate power needs
 Home multimedia and internet computers
 Basic gaming rigs without high-end GPUs
 System upgrades where a reliable 400 W PSU is required
Key specifications
 Total power: 400 W
 Motherboard connector: 20+4 pin ATX
 AC input: 230 V, 47–63 Hz
 Fan diameter: 120 mm
 Product colour: Black
 Form factor: ATX (compact)
 Certification: RoHS compliant; 80%+ efficiency (not 80 PLUS certified)
How to use
Install the Chieftec GPS-400A8 into a compatible ATX case, secure it with the provided screws, and connect the 20+4 pin ATX cable to the motherboard. Attach the required peripheral and SATA connectors to drives and devices using the native cables. Connect the supplied power cord to a properly grounded 230 V AC outlet. Ensure adequate airflow in the case so the 120 mm fan can cool the unit effectively.
Usage recommendations
For reliable operation, use this PSU in systems with total power consumption below 400 W, keep the unit’s ventilation clear of dust, and avoid overloading by checking component power requirements before installation.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 400 W |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Under voltage, Short circuit, Over voltage, Overload |
| Combined power (+3.3V) | 120 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 12.5 W |
| Max output current (+3.3V) | 22 A |
| Max output current (+5V) | 18 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 4 |
| AC input frequency | 47 - 63 |
| AC input voltage | 230 |
| Max output current (+12V2) | 17 A |
| Max output current (+12V1) | 18 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 3 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU P4 connector (4-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 1 |
| Cabling type | Non-Modular |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | No |
| ATX version | 2.3 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |
| Product colour | Black |

### Certificates

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 87 mm |
| Width | 150 mm |
| Depth | 140 mm |

## FAQ

### How much does the Power Supply Unit Chieftec Smart GPS-400A8 cost, and is it available for purchase?

The price is 32.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 111 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 Tomorrow 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: Cash payment, 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 CHIEFTEC 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 CHIEFTEC 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, 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.

## Image

https://aio.lv/img/cache/product/48704/64767804_large.webp