
Power Supplies
Rosewill's line of Power Supplies offer a wide range of options for building or improving your gaming PC rig.

SMG850 850 Watt Power Supply
Fully Modular Design
A fully modular power supply design allows for customized cable arrangement, plus reduced clutter and better airflow compared to a non modular or semi modular power supply within your computer case or system.
80 Plus Gold Certified
Delivers 90% or more efficiency under typical load conditions. Prevents the waste of power and unnecessary additional heat.
ATX Combatibility
ATX 12V V2.3 ready, Crossfire ready, and SLI ready. Power Supply is also backward-compatible with ATX 12V 2.01
Highlights:
- Active Power Factor Correction
- Over Voltage Protection
- Over Current Protection
- Short Circuit Protection
- Over Power Protection
- Over Temperature Protection
- MTBF > 1000,000 at 80% load

Quiet 135mm Fan
Designed to produce low noise while expanding your the lifespan of your power supply.

100% Japanese Capacitors
Japanese Capacitors provide reliability and a longer lifespan to your power supply.

Safety Protections
Active Power Factor Correction, Over Voltage, Over Current, Short Circuit, Over Power, and Over Temperature Protection.
![]() SMG-650 |
![]() SMG750 |
![]() This Item |
![]() SMG1050 |
![]() SMG1200 |
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20+4 Motherboard PIN Connector | 1 | 1 | 1 | 1 | 1 |
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4+4 CPU PIN Connector | 1 | 2 | 2 | 2 | 2 |
6+2 PIN PCI-E Connector | 4 | 4 | 6 | 8 | 8 |
SATA Connector | 8 | 8 | 12 | 16 | 16 |
4 PIN Molex Connector | 4 | 4 | 4 | 4 | 4 |
4 PIN Floppy Connector | 1 | 1 | 1 | 1 | 1 |
Fan Bearing Type | Sleeve Bearing | Sleeve Bearing | 2-Ball Bearing | Fluid Dynamic Bearing | Fluid Dynamic Bearing |

About Rosewill
Rosewill Inc. was established in 2004, as a go-to resource for PC components and accessories. Over time, it has expanded its product line to include consumer electronics, home appliances, and more. For nearly two decades, Rosewill has remained dedicated to providing its customers with high-quality, reliable products to help accomplish everyday tasks.