# Mars Gaming MPB550SI Power Supply Unit 550 W ATX 24-pin 80 PLUS Bronze Black Non-Modular

**URL:** https://aio.lv/en/product--mars-gaming-mpb550si--11476357
**Data updated:** 2026-09-12 04:29 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** mars gaming
**Manufacturer code:** MPB550SI
**EAN:** 8435693108504
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 41.49 €
**Prices and availability valid until:** 2026-11-26 23:59
**Price without VAT (21%):** 34.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mars-gaming-mpb550si--11476357

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 04.11.2026 | 1.99 EUR |
| Courier delivery to door | 04.11.2026 | 4.99 EUR |

## Summary description

Mars Gaming MPB550SI power supply unit delivers 550 W of total power for PC systems. It features an ATX form factor, non-modular cabling, and 80 PLUS Bronze certification for efficient energy usage. Equipped with an active cooling system and a 12 cm fan, it ensures stable and reliable performance. Ideal for standard desktop computer builds requiring consistent power delivery.

## Long description

The Mars Gaming MPB550SI Power Supply Unit 550 W ATX 24-pin 80 PLUS Bronze Black Non-Modular delivers reliable and stable power for desktop computer builds. Designed to provide 550 watts of total power, this unit features an ATX form factor, non-modular cabling, and 80 PLUS Bronze certification to ensure efficient energy usage during daily operation. Equipped with an active cooling system featuring a 12 cm fan, it maintains optimal operating temperatures while supporting standard PC configurations.
Advantages
This power supply utilizes advanced DC-DC conversion technology alongside SMD manufacturing to enhance overall durability and deliver precise voltage regulation. The integrated active cooling system uses a 12 cm fan paired with intelligent AI2-RPM control, which adjusts fan speed dynamically to balance effective heat dissipation with quiet operation. Energy efficiency is supported by the 80 PLUS Bronze certification, helping to minimize power loss. Additionally, the inclusion of standard connectors such as the 24-pin ATX motherboard connector and peripheral Molex connectors ensures broad compatibility with standard PC hardware components.
Suitable for
Standard desktop computer builds and upgrades
Office and home productivity PC systems
Configurations requiring a reliable ATX form factor power supply
Systems utilizing 220 - 240 V AC input voltage
When it may not be suitable
This power supply unit may not be suitable for high-end gaming rigs or workstation builds that demand exceptionally high wattage outputs exceeding 550 watts. Furthermore, users who prefer a modular cable management system to reduce unused cables inside the PC case may find the non-modular design less ideal for compact builds.
Key specifications
Total power: 550 W
Form factor: ATX
80 PLUS certification: 80 PLUS Bronze
AC input voltage: 220 - 240 V
Cooling type: Active with 12 cm fan
Motherboard power connector: 24-pin ATX
Peripheral Molex power connectors: 2
Cabling type: Non-Modular
How to use
Begin by ensuring your computer system is powered off and disconnected from the main electrical outlet. Open your PC case and mount the power supply unit securely into the designated bay using standard screws. Connect the 24-pin ATX cable to the corresponding port on your motherboard and attach any necessary peripheral cables to your hardware components. Double-check all connections to ensure they are secure before plugging the power cord into a 220 - 240 V wall outlet and turning on the system.
What to consider before purchase
Verify that the 550-watt capacity is sufficient for your PC components and total system load
Check that your computer case supports the standard ATX power supply dimensions
Confirm compatibility with your motherboard and internal hardware connectors
Consider whether non-modular cabling fits your cable management preferences
Usage recommendations: Install the power supply in a well-ventilated PC case to ensure unobstructed airflow around the 12 cm fan. Avoid exposing the unit to excessive moisture or dust, and periodically check that internal cables are properly organized to maintain optimal cooling performance.

## Specifications

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 1596 g |
| Package height | 125 mm |
| Package depth | 240 mm |
| Package width | 205 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.4 kg |
| Height | 85 mm |
| Depth | 145 mm |
| Width | 150 mm |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, RoHS |

### Design

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

### Performance

| Feature | Value |
|---|---|
| Noise level | 12 dB |
| 80 PLUS certification | 80 PLUS Bronze |
| Power supply unit (PSU) form factor | ATX |
| Purpose | PC |

### Ports & interfaces

| Feature | Value |
|---|---|
| Cabling type | Non-Modular |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 1 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| Number of SATA power connectors | 4 |
| Motherboard power connector | 24-pin ATX |

### Power

| Feature | Value |
|---|---|
| Power protection features | Under voltage, Short circuit, Over current, Over power, Over voltage |
| Efficiency | 90 % |
| Max output current (+5Vsb) | 2.5 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5V) | 18 A |
| Max output current (+12V) | 45.5 A |
| Max output current (+3.3V) | 18 A |
| Combined power (+5Vsb) | 12.5 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5V) | 100 W |
| Combined power (+12V) | 546 W |
| Combined power (+3.3V) | 100 W |
| Power Factor Correction (PFC) type | Active |
| Input current | 5 |
| AC input frequency | 47 - 63 |
| AC input voltage | 220 - 240 |
| Total power | 550 W |

## FAQ

### How much does the Mars Gaming MPB550SI 550W Power Supply Unit cost, and is it available for purchase?

The price is 41.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 Friday 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 mars gaming 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 mars gaming 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: 80 plus certification, power supply unit (psu) form factor, purpose, peripheral (molex) power connectors (4-pin), motherboard power connector, ac input voltage, total power, 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 Mars Gaming MPB550SI 550W Power Supply Unit?

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/11476357/69988821_large.webp