MSI
MSI MPG A850G 850W Full Modular 80+ Gold PCIe 5.0 Compact Power Supply
- 850W
- 80+ Standard
- Modular modular

Corsair · Power Supply
Final price and delivery are shown at checkout.
| Wattage | 850W |
|---|---|
| Size | ATX |
| ATX 3.x | Yes |
| Brand | Corsair |
| SKU | CP-9020270-UK |
| Condition | New |
Specs are read from the product title and may be incomplete. Check the retailer page for the full list.
The CORSAIR RMx Series RM850x 850W ATX 3.1 Cybernetics Gold PSU Power Supply is a power supply from Corsair. 850W.
Wattage: 850W. Size: ATX. ATX 3.x: Yes.
A 850W supply suits builds drawing up to about 680W. Add it to the PC builder to check it against the rest of your parts.
The latest price file (2 Feb 2026) lists the CORSAIR RMx Series RM850x 850W ATX 3.1 Cybernetics Gold PSU Power Supply at £142.99. Prices change, so check the final price and delivery cost at checkout.
The latest price file (2 Feb 2026) lists it as in stock. Stock changes quickly, so confirm availability at checkout.
Use the Buy now button on this page. It takes you to the retailer's product page, where you add the power supply to your basket and pay.
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