Redragon RGMS-850W PRO 80+ Gold 850 Watt Power Supply w/ATX 3.1 & PCIe 5.1 Ready, Non-Modular Active PFC, Compact 150mm Size, 120mm Low Noise Fan, 100% Japanese Capacitors
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AI Verdict
This is an 850-watt, 80 Plus Gold, non-modular ATX 3.1 power supply with PCIe 5.1 readiness, built for budget-conscious users with newer GPUs.
This Redragon RGMS-850W PRO is a situational fit because it offers modern ATX 3.1 and PCIe 5.1 compatibility with an 850-watt 80 Plus Gold rating, which are strong specs for current GPUs. However, its non-modular design and the brand's general reputation for budget PSUs make it a compromise for those prioritizing cable management or long-term reliability. The suspicious review count for an unreleased product also adds a layer of uncertainty.
If you need better cable management and proven reliability, look for a fully modular 80 Plus Gold or Platinum PSU from a more established brand in the power supply market.
Regret Score™
Medium 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
- 80 Plus Gold Certification means it runs cooler and uses less energy than lower-rated PSUs.
- ATX 3.1 and PCIe 5.1 readiness with an included 12VHPWR cable supports high-performance NVIDIA 4090/4080/4070Ti graphics cards, enabling 200% total power excursion and 300% GPU power excursion.
- Built with 100% Japanese Capacitors, which generally indicates a focus on durability and stable power delivery.
- Compact 150mm size allows for wider chassis compatibility and more space for cable management, despite being non-modular.
- Features a 120mm FDB fan with a 36dB average noise level, and some listings suggest a 0 RPM mode below 60℃ for silent operation at low loads.
Cons
- It's a non-modular design, meaning all cables are permanently attached, which can lead to clutter in smaller cases.
- The 120mm fan size is smaller than the 150mm stated in the product title, potentially impacting cooling efficiency or noise at higher loads.
- The brand's PSUs have a history of being categorized as 'Tier E: avoid' on community-driven PSU tier lists, raising concerns about long-term reliability.
- Some users have reported coil whine or chirping noises from Redragon PSUs under specific load conditions.
Dimension Scores
The 80 Plus Gold certification and 850-watt output with ATX 3.1 and PCIe 5.1 readiness are strong for its price band.
The 120mm FDB fan with an average 36dB level and potential 0 RPM mode suggests reasonable noise control, but some Redragon PSUs have reported coil whine.
The use of 100% Japanese Capacitors is a positive indicator for component quality, but the brand's general reputation for PSUs is mixed.
As a non-modular power supply, all cables are permanently attached, making cable management more challenging compared to modular options.
Best For
- New PC builds needing ATX 3.1 and PCIe 5.1 support for RTX 40/50 series GPUs on a tight budget.
- Users who prioritize initial cost savings over advanced cable management features.
- Systems where the PSU will be hidden, minimizing the aesthetic impact of non-modular cables.
Not Recommended For
- Small form factor (SFF) builds where every millimeter of space and clean cable routing are critical.
- Users who demand absolute silence, especially if the 0 RPM fan mode isn't consistently active or effective.
- Anyone building a high-end system where PSU reliability is paramount and budget isn't the primary concern.
Watch Out For
- The product's 'Date First Available' is May 27, 2025, yet it shows 1,906 reviews with a 4.4/5 rating, which is highly suspicious and suggests potential review manipulation or merged ASINs, making genuine user feedback for this specific model unavailable.
- Redditors frequently place Redragon PSUs in the lowest reliability tiers, with some users expressing concern about them 'blowing up' PCs.
- One user reported a 'horrible chirping/whine' from a Redragon PSU after just 12 hours of use, indicating potential noise issues beyond fan noise.
- Being non-modular, unused cables will need to be stashed somewhere in your case, potentially obstructing airflow and making builds less tidy.
Full Specifications
| ASIN | B0F9YP33V6 |
| Brand | Redragon |
| Wattage | 850 watts |
| Model Name | RGMS-850W |
| Form Factor | ATX12V |
| Item Weight | 5.21 pounds |
| Manufacturer | Redragon |
| Connector Type | ATX 3.1 |
| Cooling Method | Air |
| Output Wattage | 850 |
| Item model number | RGMS-850W |
| Compatible Devices | PC |
| Product Dimensions | 5.91 x 3.35 x 5.51 inches |
| Item dimensions L x W x H | 5.91 x 3.35 x 5.51 inches |
What Buyers Say
It's tough to get a real read on this Redragon RGMS-850W PRO because Amazon lists it as available in May 2025, yet it already has over a thousand reviews. This screams 'merged product page' or something fishy, so don't trust those numbers for this specific model. What we do know is that Redragon PSUs, in general, get a lot of side-eye on Reddit, often landing in the 'avoid' category for reliability. People are wary of cheap PSUs, and Redragon is primarily known for peripherals, not power delivery. Expect to deal with a non-modular design, which means cable clutter, and be aware of potential noise issues like coil whine that some users have reported with the brand's PSUs.
“Look, I'm trying to save a buck, but an 850W PSU that's not even out yet with a bunch of reviews? And everyone online says Redragon PSUs are a gamble? I'm nervous, but that ATX 3.1 and PCIe 5.1 for this price is tempting if it doesn't blow up my GPU.”
Common Praise
- No genuine common praise can be identified for this specific model due to its future release date and suspicious review count.
Common Complaints
- General skepticism about Redragon PSU reliability, often listed in 'avoid' tiers on community PSU lists.
- Concerns about potential PSU failure or damage to other components.
- Reports of coil whine or chirping noises from Redragon PSUs under certain conditions.
- Non-modular design makes cable management difficult, especially in smaller cases.
Ownership Tips
- No long-term ownership notes are available for this specific model due to its future release date.
Frequently Asked Questions
Is this power supply fully modular?
No, the Redragon RGMS-850W PRO is a non-modular power supply, meaning all cables are permanently attached to the unit.
Does it come with the 12VHPWR cable for RTX 40 series GPUs?
Yes, it includes a 12VHPWR cable, making it ready for high-performance NVIDIA 4090/4080/4070Ti graphics cards with ATX 3.1 and PCIe 5.1 support.
What is the fan size and noise level?
It uses a 120mm FDB fan with an average noise level of 36dB. Some information suggests it may have a 0 RPM mode where the fan stops when temperatures are below 60℃.
Is Redragon a reliable brand for power supplies?
Community discussions on Reddit often place Redragon PSUs in lower reliability tiers, with some users expressing caution due to the brand's primary focus on peripherals.
What does '80 Plus Gold Certified' mean?
80 Plus Gold certification indicates that the power supply operates at a minimum of 87% efficiency at 20% load, 90% at 50% load, and 87% at 100% load. This translates to less wasted energy, lower heat output, and potentially lower electricity bills.
Buying Guide
When you're looking at power supplies, you're basically buying the heart of your PC. It's not the flashy part, but it's crucial. You need enough wattage for your components, especially your graphics card, and you want it to be efficient so it doesn't waste power and generate too much heat. Cable management is also a big deal; modular PSUs make your life way easier, but they cost more. Don't cheap out too much here, because a bad PSU can take other expensive components with it.
Wattage
This is how much power the PSU can deliver. Think of it like the engine size in a car; you need enough horsepower to move all your components, especially your CPU and GPU. Too little, and your system won't run stably or at all. Too much, and you've just spent money on unused capacity.
80 Plus Certification (Gold, Bronze, Platinum, etc.)
This rating tells you how efficient the PSU is at converting AC power from your wall socket to DC power for your PC. A Gold rating means less energy is wasted as heat, which keeps your case cooler, your fan quieter, and your electricity bill a little lower. It's like getting better gas mileage.
ATX 3.1 & PCIe 5.1 Ready
These are the latest standards for power delivery, especially important for modern, power-hungry graphics cards like NVIDIA's RTX 40 series. It ensures your PSU can handle the transient power spikes these GPUs can demand without tripping safeguards or causing instability. It's future-proofing for your GPU.
Modular vs. Non-Modular
This refers to whether the cables are permanently attached (non-modular) or can be plugged in as needed (modular). Non-modular means all cables are always there, even if you don't use them, leading to more clutter. Modular gives you a cleaner build and better airflow, like having custom-fit wires instead of a tangled mess.
Alternatives
If this doesn't fit, look for a fully modular 850W 80 Plus Gold or Platinum power supply with ATX 3.1 and PCIe 5.1 support from a brand with a strong reputation for PSU reliability.
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