# Power Supply Unit Akyga AK-B1-550 550 W

**URL:** https://aio.lv/en/product--akyga-ak-b1-550--346183
**Data updated:** 2026-01-30 13:35 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** Akyga
**Manufacturer code:** AK-B1-550
**EAN:** 5901720130341
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 24.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--akyga-ak-b1-550--346183

## 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 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Akyga AK-B1-550 power supply unit offers a total power of 550 W with a 20+4 pin ATX connector, ideal for PC builds. It features a 230 V AC input voltage and a peak power of 550 W. The SATA and Molex power cables are each 300 mm long, ensuring flexibility in installation. This ATX form factor PSU includes active cooling with a 12 cm fan for efficient heat dissipation. Compliant with RoHS and certified CE and REACH, it is a reliable choice for your computer system.

## Long description

The Akyga ATX power supply 550W Basic series provides 550 W of continuous power for desktop computers in an ATX form factor. It is built from quality components and supports ATX 12V 2.0 specifications, making it compatible with current and next-generation multi-core processor platforms. The unit includes a 120 mm fan with automatic speed control and a manual power switch for safe disconnection without unplugging the mains cable.
Advantages
The power supply offers a 20+4 pin motherboard connector and additional connectors including a PCI-E 6-pin, P4 4-pin, mini‑Molex, two Molex and three SATA connectors for common peripheral connections. Its efficiency exceeds 70%, helping to provide stable power delivery. Built-in protections (OVP, OCP, OPP, OTP, SCP) and a PFC filter improve electrical stability and help protect the motherboard, processor and other components from damage.
Suitable for
 Basic and office desktop builds
 Home computers used for web, office and multimedia
 Systems with single mid-range graphics card or integrated graphics
Key specifications
 Total power output: 550 W
 Efficiency: around 70%
 Motherboard connector: 20+4 pin ATX
 Cooling: 120 mm fan with automatic speed control
 Input voltage: 230 V AC
 Cable connectors: 3× SATA, 2× Molex, 1× mini‑Molex, 1× P4 4‑pin, 1× PCI‑E 6‑pin
 Form factor: ATX
 Weight: 1.04 kg
 Colour: Grey
How to use
Install the power supply into an ATX-compliant case, secure it with screws and connect the 20+4 pin connector to the motherboard. Attach the P4 4-pin connector to the CPU power socket if required, connect the PCI‑E 6‑pin to a compatible graphics card when needed, and use the SATA and Molex connectors for drives and peripherals. Verify correct cable routing for airflow, connect the mains cable to a 230 V outlet and switch the unit on using the manual power switch.
Usage recommendations
Use this 550 W Akyga ATX power supply for basic desktop systems and office PCs; avoid using it with high-end multi‑GPU setups or heavily overclocked processors. Ensure adequate case ventilation and connect only compatible devices respecting connector types and power limits.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 550 W |
| Efficiency | 70 % |
| Peak power | 550 W |
| Power protection features | Short circuit, Overheating, Over voltage, Over power, Over current |
| Combined power (+3.3V) | 280 W |
| Combined power (+12V) | 288 W |
| Combined power (+5V) | 280 W |
| Combined power (-12V) | 18.5 W |
| Combined power (+5Vsb) | 18.5 W |
| Max output current (+3.3V) | 33 A |
| Max output current (+12V) | 24 A |
| Max output current (+5V) | 36 A |
| Max output current (-12V) | 0.5 A |
| Max output current (+5Vsb) | 2.5 A |
| Input current | 5 |
| AC input voltage | 230 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| PCI Express power connectors (6-pin) | 1 |
| Number of SATA power connectors | 3 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU P4 connector (4-pin) | 1 |
| Cabling type | Non-Modular |
| SATA power cable length | 300 |
| CPU power cable length | 450 mm |
| Peripheral (Molex) power cable length | 300 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| Mean time between failures (MTBF) | 100000 h |
| ATX version | 2.31 |
| Supported motherboard form factors | ATX |
| 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 |
| On/off switch | Yes |
| Product colour | Grey |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, REACH |
| Compliance certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.04 kg |
| Height | 85 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 5 - 50 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 1120 g |
| Package depth | 220 mm |
| Package height | 95 mm |
| Package width | 160 mm |
| Manual | Yes |
| Package type | Box |

### Other features

| Feature | Value |
|---|---|
| Warranty card | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |

## FAQ

### How much does the Power Supply Akyga AK-B1-550 cost, and is it available for purchase?

The price is 29.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 811 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. 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 Akyga 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 Akyga 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 Akyga AK-B1-550?

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/346183/64773248_large.webp