# Power Supply Unit Chieftec CTG-550C 550 W

**URL:** https://aio.lv/en/product--chieftec-ctg-550c--24633
**Data updated:** 2025-12-29 15:31 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** CHIEFTEC
**Manufacturer code:** CTG-550C
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 71.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-ctg-550c--24633

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Chieftec CTG-550C is a reliable 550 W power supply unit designed for PCs. It features a 20+4 pin ATX motherboard connector and semi-modular cabling for efficient cable management. With an active cooling system and a 12 cm fan, it ensures optimal performance and longevity. The unit is certified with 80 PLUS for energy efficiency and complies with RoHS, CE, CB, and FCC standards. Its sleek black design fits well in any build.

## Long description

The Chieftec CTG-550C 550 W is a reliable power supply unit for desktop PCs, offering 550 watts of total power in a compact black housing. This model extends a popular PSU series with semi-modular cable management, an active cooling system and a 120 mm fan, and carries 80 PLUS certification for energy efficiency. It includes a 20+4 pin ATX motherboard connector and meets RoHS, CE, CB and FCC standards.
Advantages
The semi-modular cabling simplifies installation and reduces internal clutter while allowing only necessary cables to be connected. With 80 PLUS certification and an efficiency around 85%, the CTG-550C lowers energy losses and operating costs. Its 120 mm fan with active cooling supports stable thermal performance and contributes to component longevity. The unit’s black finish integrates easily into most system builds.
Suitable for
 Home and office desktop PCs
 Budget-minded gaming or multimedia builds
 System upgrades where reliable 550 W power is required
Key specifications
 Total power: 550 W
 Efficiency: 85% (80 PLUS certified)
 Motherboard connector: 20+4 pin ATX
 Fan diameter: 120 mm
 Product colour: Black
 Standards: RoHS, CE, CB, FCC
How to use
Install the Chieftec CTG-550C into a compatible ATX case using the standard PSU mounting holes. Connect the 20+4 pin ATX plug to the motherboard and attach only the required modular cables to components such as the GPU, drives and peripherals. Ensure proper cable routing to maintain airflow and secure connections before powering on the system.
Usage recommendations
Use the PSU within its rated 550 W total power and monitor system temperatures; keep vents and the 120 mm fan unobstructed. For longevity, operate the unit in a well-ventilated case and avoid prolonged operation near the maximum load.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 550 W |
| Efficiency | 85 % |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over voltage, Overload, Short circuit, Under voltage, Overheating, Over current |
| Power factor | 0.9 |
| Combined power (+3.3V) | 130 W |
| Combined power (+12V) | 456 W |
| Combined power (+5V) | 130 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 25 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 6 |
| AC input frequency | 50 |
| AC input voltage | 230 |
| Max output current (+12V2) | 25 A |
| Max output current (+12V1) | 25 A |
| Maximum input current (@110V) | 12 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy drive power connector | 2 |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 4 |
| EPS power connector (8-pin) | Yes |
| CPU P4 connector (4-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Semi-Modular |

### Performance

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

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan location | Top |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, CB, FCC |
| Compliance certificates | RoHS |

### Weight & dimensions

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

### Packaging data

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

### Other features

| Feature | Value |
|---|---|
| Parallel processing technology support | 2-Way SLI, 2-Way CrossFireX |

### Logistics data

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

## FAQ

### How much does the Power Supply Unit Chieftec CTG-550C cost, and is it available for purchase?

The price is 86.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 56 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 09.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Power Supply Unit Chieftec CTG-550C be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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, efficiency, 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/24633/64767511_large.webp