# Power supply unit Mars Gaming MPB850PSI 850 W, 24-pin ATX, Fully-Modular, 80 PLUS Gold, 140 mm fan, Black

**URL:** https://aio.lv/en/product--mars-gaming-mpb850psi--12046596
**Data updated:** 2026-03-12 19:28 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mars gaming
**Manufacturer code:** MPB850PSI
**EAN:** 8435693111474
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 108.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 90.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mars-gaming-mpb850psi--12046596

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

ATX power supply unit Mars Gaming MPB850PSI with 850 W total power and 80 PLUS Gold efficiency. Fully-modular cabling and a 24-pin ATX motherboard connector simplify installation and cable management. Designed for desktop PCs, it accepts 200–240 V AC (47–63 Hz) input and uses an active cooling system with a 140 mm fan. CE and RoHS certified.

## Long description

The Mars Gaming MPB850PSI is an 850 W ATX power supply designed for modern desktop PCs. It provides high efficiency with 80 PLUS Gold certification, fully modular cabling for tidy installations and a 24‑pin ATX motherboard connector. Built to accept 200–240 V AC (47–63 Hz) input and cooled by a 140 mm fan, this black PSU focuses on stable power delivery, reduced noise and simplified cable management for mid to high-end systems.
Advantages
The MPB850PSI combines an 850 W power capacity with more than 90% energy efficiency to lower consumption and heat output. Fully modular cables enable straightforward installation and better airflow inside the chassis. A large 140 mm fan and an AI2‑RPM intelligent control system keep operating noise low while adjusting cooling to thermal load. The design includes high‑temperature rated capacitors and DC‑DC conversion for improved voltage regulation and long‑term stability.
Suitable for
Gaming PCs with mid to high power requirements
Workstations used for content creation and rendering
Systems requiring clean cable management and improved airflow
Builds that use modern GPUs compatible with ATX 3.1 / PCIe 5.1
Key specifications
Total power output: 850 W
Efficiency: approximately 90% (80 PLUS Gold)
Motherboard connector: 24‑pin ATX
Fan diameter: 140 mm
Input voltage range: 200–240 V AC, 47–63 Hz
Product colour: Black
Weight: 1.7 kg
How to use
Install the MPB850PSI into a compatible ATX case following the case manufacturer’s instructions and secure it with the supplied screws. Connect the 24‑pin ATX cable to the motherboard and attach only the necessary modular cables for CPU, PCIe and storage devices to avoid excess cabling. Ensure the mains input matches the stated 200–240 V range and connect to a properly grounded outlet. After assembly, verify BIOS/UEFI power settings and monitor system stability under load for the first runs.
Usage recommendations
For optimal performance and longevity, keep case ventilation unobstructed, use only required modular cables to maintain airflow, and operate the PSU within its specified input voltage range. Regularly check for firmware or system updates for connected components and allow the smart fan control to manage cooling for quieter operation.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Efficiency | 90 % |
| Power Factor Correction (PFC) type | Active |
| Power protection features | No load operation, Over current, Over power, Over total voltage, Over voltage, Overload, Short circuit, Under voltage |
| Power factor | 0.9 |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 850 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) | 70.8 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 | 5 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| PCI Express power connectors (6+2 pin) | 3 |
| Cabling type | Fully-Modular |
| EPS power connector (4+4 pin) | Yes |
| PCI Express power connectors (12-pin) | 1 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| Noise level | 12 dB |
| Bearing technology | FDB |
| ATX version | 3.1 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 140 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 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.7 kg |
| Height | 85 mm |
| Width | 150 mm |
| Depth | 160 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 136 mm |
| Package height | 258 mm |
| Package width | 206 mm |
| Package type | Box |

## FAQ

### How much does the Mars Gaming MPB850PSI power supply 850 W cost, and is it available for purchase?

The price is 108.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 02.07.2026 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 Mars Gaming MPB850PSI power supply 850 W 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 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, efficiency, 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 Mars Gaming MPB850PSI power supply 850 W?

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/12046596/67598851_large.webp