Quick Summary
The CORSAIR RM850x is a fully modular ATX power supply in black, with ATX 3.1 compliance, PCIe 5.1 support and a native 12V-2×6 connector. It is aimed at buyers who want a low-noise power supply with only the cables needed for their system connected.
Its Cybenetics Gold efficiency rating is stated at up to 91%, and the embossed cables with low-profile combs are included as part of the product detail. For anyone checking PSU fit and connection needs, the key points are the RM850x model, the fully modular cabling and the native GPU connection.
Who It Is Best For
This power supply suits buyers who need an ATX power supply with fully modular cabling and who want to match a system to the stated ATX 3.1 and PCIe 5.1 support. It is also relevant where a direct GPU to PSU connection is preferred, since the native 12V-2×6 connector removes the need for an adapter.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | CORSAIR, helping identify the exact product line. |
| Model | RM850x, the specific unit named in the title. |
| Product type | Fully modular low-noise ATX power supply. |
| Compliance | ATX 3.1 compliant, which is a key check for system matching. |
| Graphics support | PCIe 5.1 support and a native 12V-2×6 connector for a direct GPU to PSU connection. |
| Efficiency rating | Cybenetics Gold, with up to 91% efficiency stated. |
| Colour | Black, for buyers matching case or build styling. |
| Cabling | Fully modular cabling and embossed cables with low-profile combs. |
Why Buyers Choose It
- Fully modular cabling means you only connect the cables your system needs.
- ATX 3.1 compliance and PCIe 5.1 support make the stated standard and connection type clear before ordering.
- The native 12V-2×6 connector provides a direct GPU to PSU connection, so no adapter is needed for that connection.
- Up to 91% efficiency is stated with the Cybenetics Gold rating, which is the main verified efficiency figure on the page.
- Embossed cables with low-profile combs are included in the product detail and may help with a tidier cable route inside the case.
What To Know Before You Buy
Check that RM850x is the exact model you need, then confirm your system is intended for ATX 3.1 and PCIe 5.1 support. The native 12V-2×6 connector is a useful point to review if you are connecting a compatible graphics card directly to the PSU.
Review your case layout and cabling needs before ordering, especially if you want a fully modular power supply in black with the stated low-profile combs. The source material does not state size, wattage in the main description, or any included accessories beyond the cable details mentioned.
Common Buyer Questions
What does fully modular mean?
It means you only connect the cables your system needs.
Does it support the latest graphics card connection type mentioned in the listing?
Yes, it includes a native 12V-2×6 connector for a direct GPU to PSU connection.
What efficiency rating is stated?
It is stated as Cybenetics Gold, with up to 91% efficiency.
Is it compliant with the newer ATX power standard?
Yes, it is stated as ATX 3.1 compliant and supporting PCIe 5.1.
Final Buying View
The CORSAIR RM850x is a straightforward choice if you want a fully modular ATX power supply with ATX 3.1 compliance, PCIe 5.1 support and a native 12V-2×6 connector. Confirm the RM850x model and the connection requirements of your build before ordering.
