# Power supply unit CORSAIR RM850e 850 W ATX 3.1, 80 PLUS Gold, fully-modular, 120 mm fan, 24-pin ATX, 2×PCIe (6+2), 12+4-pin

**URL:** https://aio.lv/en/product--corsair-cp-9020296-eu--11240250
**Data updated:** 2026-01-21 11:08 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** CORSAIR
**Manufacturer code:** CP-9020296-EU
**EAN:** 0840006691204
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 117.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 97.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--corsair-cp-9020296-eu--11240250

## 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 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

ATX power supply CORSAIR RM850e delivers 850 W total power with ATX 3.1 compatibility and 80 PLUS Gold efficiency. Fully‑modular cabling, 24‑pin motherboard connector, two 6+2‑pin PCIe and one 12+4‑pin PCIe connector, six SATA and two PATA connectors. Active cooling via a 120 mm rifle‑bearing fan, UKCA certified; suitable for gaming and workstation PCs.

## Long description

The CORSAIR RM850e 850 W is a fully modular ATX power supply designed for modern desktop PCs. It delivers 850 watts of continuous power, includes a native 12V-2x6 (PCIe 5.1) GPU connector, and is ATX 3.1 certified with Cybenetics Gold efficiency for reliable, energy-efficient operation. The unit has a compact 140 mm length, a 120 mm fan for active cooling, a 24-pin ATX motherboard connector and a black finish that fits most builds.
Advantages
The RM850e combines fully modular cabling for neat builds with native PCIe 5.1 12V-2x6 GPU support, enabling compatibility with current and next‑gen graphics cards. ATX 3.1 certification and 80 PLUS Gold / Cybenetics Gold efficiency provide stable power delivery with up to around 90% efficiency, lower noise and cooler temperatures. A compact 140 mm housing and a 120 mm rifle-bearing fan reduce space requirements and keep acoustic output low. Industrial-grade components, including resonant LLC topology with DC-DC conversion and 105°C rated capacitors, ensure long-term reliability and consistent electrical performance.
Suitable for
High-performance gaming PCs using modern GPUs
Workstations requiring stable 850 W power delivery
Compact ATX cases where shorter PSU length is needed
Systems that benefit from fully modular cabling for improved airflow and cable management
Key specifications
Total power: 850 W
Motherboard connector: 24-pin ATX
GPU connector: native 12V-2x6 (PCIe 5.1)
Certification: ATX 3.1, 80 PLUS Gold, Cybenetics Gold
Fan: 120 mm rifle-bearing
AC input voltage: 100 - 240 V
Dimensions: compact 140 mm length (housing)
Weight: 2.93 kg
Colour: Black
How to use
Install the RM850e into a compatible ATX case, secure it with the supplied screws and connect the 24-pin ATX motherboard cable, CPU and PCIe cables as required. Use only the modular cables needed for your configuration to minimize clutter and improve airflow. Verify correct seating of the 12V-2x6 GPU connector on supported graphics cards. Connect the unit to mains power within the specified 100–240 V range and power on the system.
Usage recommendations
For best results, pair the RM850e with modern GPUs that accept the 12V-2x6 (PCIe 5.1) connector and ensure your case accommodates a 140 mm PSU length. Maintain proper ventilation, periodically clean the 120 mm fan and choose only the modular cables required to keep internal airflow optimal.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 850 W |
| Combined power (+3.3V) | 150 W |
| Combined power (+12V) | 850 W |
| Combined power (+5V) | 150 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 62.5 A |
| Max output current (+5V) | 20 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 10 - 5 |
| AC input frequency | 47 - 63 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 24-pin ATX |
| PCI Express connector | Yes |
| Number of SATA power connectors | 6 |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Fully-Modular |
| Number of PATA power connectors | 2 |
| EPS power connector (4+4 pin) | Yes |
| PCI Express power connectors (12+4 pin) | 1 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| Mean time between failures (MTBF) | 100000 h |
| Bearing technology | Rifle |
| ATX version | 3.1 |
| 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 | Front |
| On/off switch | Yes |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, RoHS, UKCA |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.93 kg |
| Height | 140 mm |
| Width | 150 mm |
| Depth | 86 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Box |

## FAQ

### How much does the CORSAIR RM850e 850 W ATX 3.1 PSU cost, and is it available for purchase?

The price is 117.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1208 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, Installment. All transactions are 100% secure and encrypted.

### Can CORSAIR RM850e 850 W ATX 3.1 PSU 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 CORSAIR 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 CORSAIR 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.

## Image

https://aio.lv/img/cache/product/11240250/64547012_large.webp