# Power supply unit ENERMAX ERV850G-AHG-NAC 850 W 20+4 pin ATX Non-Modular 80 PLUS Gold Black

**URL:** https://aio.lv/en/product--enermax-erv850g-ahg-nac--11232546
**Data updated:** 2026-03-29 16:06 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** ENERMAX
**Manufacturer code:** ERV850G-AHG-NAC
**EAN:** 4713157728968
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 70.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--enermax-erv850g-ahg-nac--11232546

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Desktop power supply unit ENERMAX ERV850G-AHG-NAC with 850 W total output, designed for ATX PC builds. Features a 20+4 pin ATX motherboard connector, non-modular cabling, 80 PLUS Gold efficiency, 120 mm cooling fan and universal 100–240 V, 50/60 Hz input. Suited for gaming rigs, workstations and high-performance systems requiring stable power delivery.

## Long description

ENERMAX ERV850G-AHG-NAC is a non-modular desktop power supply unit with 850 W total output designed for ATX PC builds. It features a 20+4 pin ATX motherboard connector, a 120 mm cooling fan and black flat cables. The unit is 80 PLUS Gold certified for high energy efficiency and accepts universal input voltage from 100 to 240 V at 50/60 Hz, providing stable power delivery for gaming rigs, workstations and high-performance systems.
Advantages
This ENERMAX 850 W PSU delivers efficient power conversion with 80 PLUS Gold certification, helping to reduce wasted energy and heat. The non-modular black flat cable design simplifies installation and routing inside the case. A 120 mm fan provides active cooling while maintaining a compact form factor suitable for standard ATX builds. The 20+4 pin ATX connector ensures compatibility with a broad range of motherboards.
Suitable for
Gaming desktop systems with mid to high power demand
Home or office workstations requiring stable 850 W supply
Upgrades where non-modular cabling and compact cooling are acceptable
Systems requiring 80 PLUS Gold efficiency to reduce energy loss
Key specifications
Total power: 850 W
Motherboard power connector: 20+4 pin ATX
Efficiency certification: 80 PLUS Gold
Cooling fan: 120 mm
Input voltage: 100–240 V, 50/60 Hz
Cable type: Non-modular black flat cables
Product colour: Black
How to use
Install the ENERMAX ERV850G-AHG-NAC into a compatible ATX case following standard PSU mounting orientation so the 120 mm fan has adequate airflow. Connect the 20+4 pin ATX cable to the motherboard main power socket and attach the remaining cables to drives and peripherals as required. Ensure the system power switch is off before making connections and verify that the input voltage selector (if present) matches your mains supply. After powering on, monitor system stability and temperatures to confirm reliable operation.
Usage recommendations
Use this PSU in systems that match its 850 W capacity; avoid relying on it for sustained loads above its rated power. Maintain case airflow to support the 120 mm fan, keep cables organized to improve ventilation, and allow clearance around ventilation openings. For optimal longevity, operate the unit within ambient temperatures and voltages recommended by your system’s components.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Power protection features | Over voltage, Over power, Over current, Short circuit, Under voltage |
| Combined power (+3.3V) | 100 W |
| Combined power (+12V) | 849.6 W |
| Combined power (+5V) | 100 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.4 A |
| Max output current (+5Vsb) | 2.5 A |
| Input current | 10-6 |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |
| Max output current (+12V1) | 70.8 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Cabling type | Non-Modular |
| EPS power connector (4+4 pin) | No |

### Performance

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

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 1600 g |
| Package depth | 310 mm |
| Package height | 110 mm |
| Package width | 190 mm |

## FAQ

### How much does the Power supply ENERMAX ERV850G-AHG-NAC 850 W cost, and is it available for purchase?

The price is 84.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 83 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 17.07.2026 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 ENERMAX ERV850G-AHG-NAC 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 ENERMAX 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 ENERMAX 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, 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/11232546/68106252_large.webp