Corsair RM850x (2021) pinout, stock cables, and specifications

View the Corsair RM850x (2021)'s pinout, stock cable lengths and connectors, and manufacturer specifications.

Power supply legend

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Verified
Partially verified
Community verified
Unverified
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You should always test your Corsair power supplies and their cables to ensure the pinouts match, and use the stock cable diagrams and manufacturer specifications as reference points, not final answers. While I do my best to curate and display the correct information, you are still responsible for your own actions.

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Inside the Cablefied pinout generator, users can create and submit their diagrams for review. As the dataset grows, pinouts will be processed and analyzed, while incorporating error reporting, to display accurate results for the community to reference for their projects.

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View the Corsair RM850x (2021) pinout's wiring and connectors

Explore the main Corsair Type 4 pinout featuring structured cable groups, defined pin voltages per connector, and easily distinguishable PSU connector keys.

ATX cables
Component
24 pin ATX
PSU
10 pin
18 pin
1GND
25V
35V
45V
5N/A
6GND
7GND
8GND
9PWR ON
10GND
11-12V
123.3V
133.3V
1412V
1512V
165V SB
17PWR OK
18GND
195V
20GND
215V
22GND
233.3V
243.3V
GND
5V
5V
5V
3.3V
3.3V
12V
12V
5V SB
PWR OK
12V
GND
GND
GND
GND
PWR ON
GND
-12V
3.3V
N/A
5V
GND
5V
GND
5V
GND
3.3V
3.3V
PCIe cables
Component
12V2X6 PCIe
8 pin PCIe
6 pin PCIe
PSU
12V2X6 PCIe
8 pin EPS
1GND
2GND
3GND
4GND
5GND
6GND
712V
812V
912V
1012V
1112V
1212V
1GND
2GND
3GND
4GND
5GND
612V
712V
812V
1GND
2GND
3GND
412V
512V
612V
GND
GND
GND
GND
GND
GND
12V
12V
12V
12V
12V
12V
GND
GND
GND
GND
N/A
12V
12V
12V
EPS cables
Component
8 pin EPS
4 pin EPS
PSU
8 pin EPS
112V
212V
312V
412V
5GND
6GND
7GND
8GND
112V
212V
3GND
4GND
GND
GND
GND
GND
12V
12V
12V
12V
PERIF cables
Component
SATA power
Molex
PSU
6 pin PERIF
112V
2GND
35V
4GND
53.3V
15V
2GND
3GND
412V
GND
5V
GND
3.3V
N/A
12V
Stock cables

Browse the Corsair RM850x (2021)'s stock cable lengths and connectors

For custom cable projects or your own referencing, the stock cables are included with their lengths, quantities, connectors, and visual diagrams.

Power supplyCorsair RM850x (2021)
Stock cable statusVerified
Units
24 pin ATX cable
Length
Full length
610mm
Quantity
Included cables
1
Connectors
PSU
10 pin connector
1
18 pin connector
1
Component
24 pin ATX connector
1
8 pin PCIe cable
Length
Base length
600mm
Full length
750mm
Increments
1
Increment length
150mm
Quantity
Included cables
2
Connectors
PSU
8 pin EPS connector
1
Component
6+2 pin PCIe connector
2
8 pin EPS cable
Length
Full length
650mm
Quantity
Included cables
3
Connectors
PSU
8 pin EPS connector
1
Component
4+4 pin EPS connector
1
SATA power cable 1
Length
Base length
520mm
Full length
750mm
Increments
2
Increment length
115mm
Quantity
Included cables
2
Connectors
PSU
6 pin PERIF connector
1
Component
SATA power connector
3
SATA power cable 2
Length
Base length
505mm
Full length
850mm
Increments
3
Increment length
115mm
Quantity
Included cables
2
Connectors
PSU
6 pin PERIF connector
1
Component
SATA power connector
4
Molex cable
Length
Base length
450mm
Full length
750mm
Increments
3
Increment length
100mm
Quantity
Included cables
1
Connectors
PSU
6 pin PERIF connector
1
Component
Molex connector
4
Specifications

Review manufacturer specifications

For more details, reference the Corsair RM850x (2021)'s manufacturer specifications.

Power supplyCorsair RM850x (2021)
Power supply statusVerified
Release2021
Dimensions
Width
150mm
Height
86mm
Length
160mm
Size
Form factor
ATX
Category
Modular
Cable category
Fully modular
Efficiency
80 PLUS
Gold
Cybenetics efficiency
Gold
Cybenetics noise
Standard++
Fan
Size
135mm
Technology
Magnetic levitation bearing
Zero RPM mode
Yes
Fanless
No
Build
Weight
3.22kg

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