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Corn Electronics
Corn Electronics RGB-850 Pro 850 W Fully Modular Power Supply
Fully modular 850 W ATX supply with 80 PLUS Gold efficiency, 140 mm ARGB fan and 25 lighting modes synchronised via motherboard 5 V header
- TypeATX12V
- Maximum Power850 W
- Fans1 x 140 mm
- Fan LEDARGB
- PFCActive
- Main Connector20+4Pin
Options ATX 80+ Gold (850W) Black
- ATX 80+ Gold (850W) White
- ATX 80+ Gold (850W) Black
Struck-through versions exist but are not stocked here.
- 850 W output with 80 PLUS Gold efficiency above 90%
- 25 ARGB lighting modes with memory function and motherboard sync
- Fully modular flat cables for tidy builds and better airflow
- 140 mm fluid dynamic bearing fan runs quietly under temperature control
- Comprehensive OPP, OVP, UVP, OCP, OTP, SCP protection for system safety
850 W Fully Modular ATX Power Supply
The Corn Electronics RGB-850 Pro delivers 850 W through a single +12V rail with full modular cabling. It carries 80 PLUS Gold certification and achieves over 90 % efficiency at typical loads. A 140 mm ARGB fan provides cooling with addressable lighting effects.
Suits builds needing clean cable routing
The fully modular design uses flat black cables to reduce clutter inside the case. ARGB lighting offers 25 modes with memory function and synchronises via a 5 V 3-pin motherboard header. Builds requiring more than two PCIe power connectors or a shorter chassis depth should consider other options.
Sustained output derates from 100 % to 80 %
The unit operates from 0 °C to 50 °C with temperature-controlled fan speed on a fluid dynamic bearing. Protections include OPP, OVP, UVP, OCP, OTP and SCP. MTBF is rated above 100000 hours at 25 °C excluding the fan.
Highlights
- 850 W output with 80 PLUS Gold efficiency above 90%
- 25 ARGB lighting modes with memory function and motherboard sync
- Fully modular flat cables for tidy builds and better airflow
- 140 mm fluid dynamic bearing fan runs quietly under temperature control
- Comprehensive OPP, OVP, UVP, OCP, OTP, SCP protection for system safety
Specifications
| Type | ATX12V |
|---|---|
| Maximum Power | 850 W |
| Fans | 1 x 140 mm |
| Fan LED | ARGB |
| PFC | Active |
| Main Connector | 20+4Pin |
| +12V Rails | Single |
| PCI-Express Connector | 2 x 6+2-Pin |
| SATA Power Connector | 8 |
| Max PSU Length | 170 mm |
| Modular | Full Modular |
| Efficiency | > 90% |
| Energy-Efficient | 80 PLUS GOLD Certified |
| Over Voltage Protection | Yes |
| Overload Protection | Yes |
| Protection | Protection OPP, OVP, UVP, OCP, OTP, SCP Safety Ceritificate Safety and EMC cTUVus, TUV, CB, CCC, EAC, CE |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 47 - 63 Hz |
| Input Current | 12-6A |
| MTBF | >100,000 Hours |
| Dimensions | 170 mm (L) x 150 mm (W) x 86 mm (H) |
| Weight | 3 KG |
Questions about this item
Does the PSU need a motherboard with a 5 V 3-pin ARGB header to synchronise the 25 lighting modes?
The unit can run its own 25 modes from the built-in RGB controller switch; the 5 V 3-pin header is only required if you want motherboard software to take over the lighting.
Will the 170 mm length and 150 mm width fit in a case designed for older 140 mm deep ATX units?
The PSU measures 170 mm long, 150 mm wide and 86 mm high, so it exceeds the depth of many legacy 140 mm designs; check your case clearance before installing.
How can I confirm the 850 W single +12 V rail is delivering stable power after the build is complete?
Monitor the +12 V line in the BIOS or a hardware utility under load; it should remain within the ATX12V tolerance while the fan speed follows the temperature curve.
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