# Power Supply Unit Mars Gaming MPB850SI 850 W

**URL:** https://aio.lv/en/product--mars-gaming-mpb850si--11476355
**Data updated:** 2025-12-30 21:26 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mars gaming
**Manufacturer code:** MPB850SI
**EAN:** 8435693109549
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 69.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 57.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mars-gaming-mpb850si--11476355

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 22.06.2026 | 1.99 EUR |
| Courier delivery to door | 22.06.2026 | 4.99 EUR |

## Summary description

The Mars Gaming MPB850SI is an 850 W power supply unit designed for PCs. It features a 24-pin ATX motherboard connector, non-modular cabling, and an active cooling system with a 12 cm fan. With an AC input voltage of 200 - 240 V and a frequency of 47 - 63 Hz, it is certified with 80 PLUS Bronze for energy efficiency. The unit is compliant with CE, RoHS, and TÜV standards, ensuring reliability and safety.

## Long description

The Mars Gaming MPB850SI 850 W power supply combines high output, energy efficiency and very low acoustic emissions for desktop PCs. Designed as a non-modular ATX unit, it delivers stable 850 W total power through a 24-pin motherboard connector and multiple peripheral cables. The model features a 120 mm SI fan with fluid dynamic bearings and an AI2-RPM intelligent control system, DC-DC conversion and SMD components to ensure reliable voltage regulation and long-term durability.
Advantages
The MPB850SI provides 80 PLUS Bronze 230V EU efficiency, TÜV Rheinland compliance and multiple built-in protections (OVP, UVP, OCP, OPP, SCP) for safe operation. Its SI fan with copper and aluminum core and FDB bearings reduces friction and noise while improving lifespan. AI2-RPM automatic fan-speed control optimizes cooling according to load, and extra-long flat black cables facilitate clean cable management and improved internal airflow.
Suitable for
Gaming desktops with mid to high-end graphics cards
Workstations requiring stable 12V rails and DC-DC regulation
Systems where quiet operation and efficient cooling are important
Key specifications
Total power: 850 W
Connector: 24-pin ATX motherboard connector
Fan: 120 mm SI fan with FDB bearings
Certification: 80 PLUS Bronze (230V EU)
Input: 200–240 V AC, 47–63 Hz
Protections: OVP, UVP, OCP, OPP, SCP
Weight: 1.6 kg
Colour: Black (available also in white option)
How to use
Install the MPB850SI into a compatible ATX case following standard safety precautions: power off and unplug the system, mount the PSU in the designated bay and secure with screws, connect the 24-pin ATX cable to the motherboard and attach peripheral and PCIe cables to drives and graphics cards as required. Ensure proper cable routing to maintain unobstructed airflow and verify all connections before first power-up.
Usage recommendations
For stable, quiet operation keep the PC case ventilated and free of dust. Use the MPB850SI with systems that match its 200–240 V input range and ensure total system power draw remains within the 850 W rating. Periodically check and clean the fan and ventilation paths to maintain efficiency and low noise levels.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over power, Over voltage, Overcharge, Short circuit, Under voltage |
| Power factor | 0.9 |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 846 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 12.5 W |
| Max output current (+3.3V) | 18 A |
| Max output current (+12V) | 70.5 A |
| Max output current (+5V) | 18 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Input current | 8 |
| AC input frequency | 47 - 63 |
| AC input voltage | 200 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 24-pin ATX |
| ATX Power connector (24-pin) | Yes |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Non-Modular |
| EPS power connector (4+4 pin) | Yes |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| 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 | Black |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, RoHS, TÜV mark |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.6 kg |
| Height | 85 mm |
| Width | 150 mm |
| Depth | 145 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 125 mm |
| Package height | 205 mm |
| Package width | 238 mm |
| Package type | Box |

## FAQ

### How much does the Power Supply Unit Mars Gaming MPB850SI cost, and is it available for purchase?

The price is 69.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 Wednesday 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: total power, motherboard power connector, 80 plus certification, 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 Unit Mars Gaming MPB850SI?

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/11476355/66111625_large.webp