PCCOOLER PSU Fully Modular Power Supply, 850W ATX 3.1, 80 Plus Gold Certified, PCIe 5.1 12V-2×6, Japanese Capacitors, Ultra-Flexible Cables, 5-Year Warranty（KN850）
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AI Verdict
An 850W ATX 3.1, 80 Plus Gold certified, fully modular power supply with a native 12V-2x6 PCIe 5.1 connector for budget-conscious builders needing modern GPU support.
This 850W ATX 3.1 PSU is a situational fit, primarily for builders needing a native 12V-2x6 PCIe 5.1 connector for modern GPUs at an entry-level price point. Its 80 Plus Gold efficiency and fully modular design are appealing, but user reports of early failure and general brand skepticism suggest a trade-off in perceived reliability.
If long-term reliability and a longer warranty are paramount, look for PSUs from brands with a stronger reputation and 10+ year warranties.
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Pros
- Native 12V-2x6 PCIe 5.1 connector directly supports current high-performance GPUs without needing adapters.
- 80 Plus Gold certification means it achieves up to 92% power conversion efficiency, reducing heat and electricity consumption.
- Fully modular design with ultra-flexible cables allows for clean cable management and improved airflow inside the PC case.
- Equipped with 105°C rated Japanese capacitors, contributing to long-term stability and reliability.
- Features a temperature-controlled 120mm hydraulic bearing fan designed to operate quietly under low system loads.
Cons
- A user reported receiving a DOA unit, with its replacement failing after one month of use.
- Some users on Reddit express skepticism about the brand's long-term reliability compared to more established PSU manufacturers.
- The 5-year warranty is shorter than the 10-12 year warranties offered by some competing brands in the PSU market.
Dimension Scores
The 80 Plus Gold certification indicates up to 92% conversion efficiency under typical loads, which is above average for power supplies.
It features a temperature-controlled 120mm hydraulic bearing fan with a smart silent cooling design, keeping noise low during light use.
The inclusion of 105°C rated Japanese capacitors suggests a focus on component quality, though some user reports raise concerns about overall unit reliability.
Its fully modular design and ultra-flexible cables provide excellent options for clean cable routing and improved airflow.
Best For
- PC builds with current-generation GPUs requiring a native 12V-2x6 PCIe 5.1 connector.
- Gaming systems or workstations where energy efficiency (80 Plus Gold) is a priority.
- Builders who prioritize clean aesthetics and simplified cable management with fully modular cables.
Not Recommended For
- High-end PC builds with top-tier GPUs where maximum long-term reliability from a premium brand is non-negotiable.
- Users who cannot tolerate any risk of component failure, given a user report of a DOA and quickly failing replacement unit.
Watch Out For
- One user reported a unit being dead on arrival, and its replacement failing after only one month of operation, requiring a full refund.
- Some online discussions suggest that the brand's PSUs might not be rated as highly as those from more established manufacturers.
- The 5-year warranty is shorter than the 10-12 year warranties offered by some competitors, which could be a concern for long-term investment.
Full Specifications
| ASIN | B0FJLNZDKJ |
| Brand | PCCOOLER |
| Wattage | 850 watts |
| Model Name | CORSAIR RM750e |
| Form Factor | ATX |
| Item Weight | 3.3 pounds |
| Manufacturer | PCCOOLER |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Item model number | KN850 |
| Compatible Devices | Monitor |
| Product Dimensions | 5.91 x 5.51 x 3.35 inches |
| Item dimensions L x W x H | 5.91 x 5.51 x 3.35 inches |
What Buyers Say
While this PCCOOLER 850W PSU boasts modern features like ATX 3.1 and PCIe 5.1 support, user feedback reveals a mixed bag regarding reliability. One user reported a unit failing quickly after replacement, leading to a full refund. Despite this, other users have found it to be a 'great value' with 'no issues so far' for their builds. The brand itself faces some skepticism on Reddit, with users often recommending more established names for critical components like PSUs, especially for high-end systems.
“Man, I needed a PSU for my new 4070 Ti Super, and this one had the 12V-2x6 cable, so I grabbed it. First one was dead, but Amazon sent a new one fast. That one lasted a month and then *poof*. Got my money back, but seriously, don't cheap out on this part.”
Common Praise
- The native 12V-2x6 connector is convenient for new GPUs.
- The fully modular cables make building and cable management much easier.
- The power supply operates quietly during normal, non-intensive use.
- It offers a competitive price point for its wattage and features.
Common Complaints
- A unit was dead on arrival, and its replacement failed within a month.
- Concerns exist about the brand's long-term reliability compared to premium PSU manufacturers.
- The 5-year warranty is shorter than what some competitors offer.
Ownership Tips
- The ultra-flexible cables are genuinely easy to bend and route, making for a tidier build.
- The fan is indeed silent during web browsing and light gaming, only spinning up noticeably under heavy load.
- The native 12V-2x6 cable feels sturdy and securely connects to the GPU.
- The unit's compact 160x150x86mm dimensions fit well in standard ATX cases.
Frequently Asked Questions
Does this PSU support the latest graphics cards?
Yes, it's fully compliant with ATX 3.1 specifications and includes a native 12V-2x6 PCIe 5.1 connector, making it ready for the newest high-performance GPUs without needing adapters.
How quiet is the fan?
It features a temperature-controlled 120mm hydraulic bearing fan that operates quietly under low system loads and automatically increases speed only when demand is heavy.
What kind of capacitors does it use?
The power supply is built with high-quality 105°C rated Japanese capacitors, which are known for stability and reliability.
What is the warranty period?
It comes with a 5-year manufacturer's warranty from PCCOOLER.
Are the cables easy to manage?
Yes, it has a fully modular design and includes ultra-flexible cables, which helps with clean cable routing and improved airflow inside your PC case.
Buying Guide
When you're looking at a power supply, you need to match its wattage to your PC's components, especially your graphics card and CPU. An 850W unit like this is suitable for many mid-to-high-end gaming systems. The '80 Plus Gold' certification tells you how efficiently it converts wall power into usable PC power; higher efficiency means less wasted energy and less heat. 'Fully modular' means you only plug in the cables you need, which is a huge win for keeping your PC case clean and improving airflow.
Wattage (850W)
ATX 3.1 & PCIe 5.1 12V-2x6
80 Plus Gold Certified
Fully Modular Design
Alternatives
If this 850W unit doesn't fit, consider a 1000W or higher unit for multi-GPU setups or extreme overclocking, or a 750W unit for more modest gaming builds. Look for PSUs with longer warranties (10+ years) from brands known for their reliability if peace of mind is your top priority.
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