Rosewill VMG 850W 80+ Gold, ATX 3.0 & 3.1 Compatible, Full Modular Low-Noise Power Supply, PCIe 5.1 12V-2x6 Connector, 100% Japanese Electrolytic Capacitor, 120mm FDB Silent Fan - 5 Year Warranty
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
This 850W 80+ Gold ATX 3.0/3.1 power supply with a PCIe 5.1 12V-2x6 connector is for budget-conscious builders needing modern GPU support.
This 850W 80+ Gold power supply is a solid choice for many modern PC builds, especially with its ATX 3.0/3.1 and PCIe 5.1 compatibility. It provides the necessary power and connectors for current-gen GPUs, making it a functional core for a gaming system. Its entry-level price band makes it accessible, but it's not designed for the absolute top-tier performance or features of more expensive units.
If you need higher efficiency or a longer warranty, look for PSUs with 80+ Platinum or Titanium ratings and 7-10 year warranties.
Regret Score™
Low RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Supports Intel ATX 3.0 and 3.1 standards, ensuring compatibility with current and future motherboards.
- Includes a native PCIe 5.1 12V-2x6 cable, delivering up to 600W directly to new graphics cards.
- Features a full modular design for cleaner cable management and reduced clutter inside your PC case.
- Equipped with 100% Japanese electrolytic capacitors, contributing to component longevity.
- Utilizes a 120mm FDB silent fan for optimized thermal control and reduced operational noise.
- Compact 140x150x86mm chassis allows for flexible integration, even in smaller form factor builds.
Cons
- Positioned as a 'B tier' power supply on Reddit, suggesting it's not a top-tier performer compared to more premium options.
- Specific long-term user feedback regarding sustained performance under heavy loads is not widely available in public forums.
- The 5-year warranty is standard, but some higher-end PSUs offer longer coverage.
Dimension Scores
The 80+ Gold certification indicates 90% efficiency or higher under typical loads, which is above average for its price band.
The 120mm Fluid Dynamic Bearing (FDB) fan is designed for silent operation and optimized thermal control.
The use of 100% Japanese electrolytic capacitors suggests a focus on component reliability and longevity.
Its full modular design allows for complete customization of cables, significantly improving internal airflow and aesthetics.
Best For
- Gaming PCs with modern high-power draw GPUs like the RTX 40-series, thanks to its PCIe 5.1 connector.
- New PC builds or upgrades requiring ATX 3.0/3.1 compatibility for future-proofing.
- Builders on a tighter budget who still need 850W and 80+ Gold efficiency.
Not Recommended For
- Enthusiast builds demanding the absolute highest tier of power delivery and component quality.
- Users who prioritize a 10-year warranty or advanced monitoring features found in premium PSUs.
Watch Out For
- Some Reddit discussions highlight a 'too good to be true' sentiment around deals for this PSU, cautioning buyers to verify seller legitimacy.
- While rated 80+ Gold, actual efficiency under various loads isn't detailed in user feedback, which can sometimes vary from advertised.
- Specific complaints about coil whine or fan noise under heavy load are not widely reported, but also not explicitly praised for being silent in all scenarios.
Full Specifications
| ASIN | B0FFQN6344 |
| Brand | Rosewill |
| Wattage | 850 watts |
| Model Name | VMG850 |
| Form Factor | ATX |
| Item Weight | 5.5 pounds |
| Manufacturer | Rosewill |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Item model number | VMG850 |
| Compatible Devices | Personal Computer |
| Product Dimensions | 5.51 x 5.9 x 3.38 inches |
| Item dimensions L x W x H | 5.51 x 5.9 x 3.38 inches |
What Buyers Say
This Rosewill 850W PSU is often seen as a budget-friendly option that still packs modern features. Users on Reddit have reported it running high-end GPUs without issues, which is a big plus for its price point. The main sentiment is that it's a 'B tier' unit, meaning it gets the job done without being a premium, top-of-the-line product. While specific Amazon review content is unavailable, the general consensus from other platforms points to a functional power supply for its cost.
“Dude, for the money, this 850W Rosewill just powers my new GPU without a hitch, like, it's not fancy but it works, no weird noises or anything, totally worth it if you're not trying to spend a fortune.”
Common Praise
- Runs high-end GPUs like the '5080 perfectly fine and have had no issues with it'.
- Offers ATX 3.0 & 3.1 compatibility and a PCIe 5.1 12V-2x6 connector for modern systems.
- The full modular design is appreciated for clean builds.
- The price point is frequently mentioned as a strong selling point for an 850W 80+ Gold unit.
Common Complaints
- Often categorized as a 'B tier' PSU, indicating it's not considered a premium offering.
- Some deals for this product have raised concerns about seller legitimacy, leading to 'too good to be true' warnings.
- Specific detailed complaints about long-term performance or noise levels under extreme stress are not widely available in user discussions.
Ownership Tips
- The compact 140x150x86mm size makes it easier to fit into various cases, including some smaller ones.
- The full modular cabling simplifies initial build and future upgrades, as you only connect necessary cables.
- The 12V-2x6 connector is a direct connection for modern GPUs, avoiding adapter cables that can be bulky or problematic.
Frequently Asked Questions
Is this power supply compatible with NVIDIA RTX 40-series graphics cards?
Yes, it includes a dedicated PCIe 5.1 / Gen 5 12+4 Pin 12V-2x6 cable, which can deliver up to 600W directly to new graphics cards like the RTX 40-series.
What does 'Full Modular' mean for cable management?
Full modular means all cables detach from the power supply. This allows you to only connect the cables you need, reducing clutter and improving airflow inside your PC case.
What is the warranty period for this power supply?
The Rosewill VMG 850W comes with a 5-year warranty.
Does this PSU support the latest ATX standards?
Yes, it is Intel ATX 3.0 and 3.1 compatible, ensuring it meets the latest power delivery specifications for modern components.
Is the fan noisy during operation?
It features a 120mm FDB (Fluid Dynamic Bearing) silent fan and optimized thermal control, designed to enhance cooling performance while operating quietly.
Buying Guide
When you're picking a power supply, you're essentially choosing the heart of your PC. It needs to deliver stable power to all your components, especially your CPU and GPU. You need enough wattage for your system's needs, and a good efficiency rating means less wasted electricity and less heat. Compatibility with modern standards like ATX 3.0/3.1 and PCIe 5.1 is crucial if you're building with newer hardware, especially high-power graphics cards.
Wattage (850W)
This is the maximum power your PSU can deliver. Think of it like the horsepower of a car; you need enough to run all your components smoothly, especially your graphics card and CPU, without straining the unit.
80+ Gold Rating
This certification indicates how efficiently the power supply converts AC power from your wall outlet into DC power for your PC. An 80+ Gold unit is at least 90% efficient at typical loads, meaning less energy is wasted as heat and your electricity bill might be slightly lower than with less efficient units.
ATX 3.0 & 3.1 Compatible
This refers to the latest power supply design guidelines. It's important for modern systems because it ensures better power delivery stability and transient response, especially for new, power-hungry graphics cards that can have sudden spikes in power draw.
PCIe 5.1 12V-2x6 Connector
This is a direct, single cable connection for the newest generation of graphics cards, like NVIDIA's RTX 40-series. It can deliver up to 600W through one cable, simplifying wiring and providing a more robust power delivery than older multi-cable adapter solutions.
Alternatives
If this 850W unit isn't enough, look for PSUs with higher wattage (e.g., 1000W or 1200W) and consider 80+ Platinum or Titanium efficiency ratings for even better power conversion.
You Might Also Like
Micro ATX PC Case | Mini Tower Computer case | Pre-Installed 120mm*1 RGB Fan | ITX Desktop Chassis for MATX/ITX | 240 RAD | 280mm GPU | 160mm CPU Cooler Height - White S6
$0-$49This MAQUY S6 is a budget Micro ATX case with a pre-installed 120mm RGB fan, supporting 280mm GPUs and 240mm top radiators for entry-level builds.
Micro ATX Case, Mini PC ITX Desktop Computer Case MATX Case Support ATX PSU/250mm GPU/135mm CPU Cooler/1x 3.5’’HDD or 2X 2.5’’SSD/USB 3.0 Port
$0-$49This is a compact 38.5x19.5x32.5cm Micro ATX case supporting 250mm GPUs and 135mm CPU coolers, designed for budget workstation builds.
Small PC Case, ITX Mini Computer Case with 360 Degree Ventilation, 10.5L Compact Design for ITX Motherboard, SFX Power Supply, 4 x 2.5 Inch SSDs
$50-$99This 10.5L acrylic ITX case supports SFX/SFX-L PSUs, ITX motherboards, and GPUs up to 210mm, designed for compact builds.
Micro ATX PC Case | Mini Tower Computer case Support Vertical GPU Mount | Pre-Installed 120mm*1 RGB Fan | ITX Desktop Chassis for MATX/ITX | 240 RAD | 320mm GPU | 165mm CPU Cooler Height-Black
$0-$49A budget Micro ATX case with a mesh front, tempered glass, and support for 320mm GPUs and 240mm AIOs, but only one pre-installed 120mm RGB fan.