MUSETEX PC Power Supply 1000W, Full Modular ATX Power Supply, ATX 3.1 & PCIE 5.0 Gaming Power Supply, 105°C-Main Capacitors, With 12V-2x6 Cable, 140mm Ultra Quiet Cooling Fan, PC PSU, (Black) (MU1000)
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AI Verdict
This suspiciously cheap 1000W power supply claims high-end specs but lacks official 80 Plus certification, making it a massive risk for any PC build you actually care about.
Regret Score™
Very High 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
- Costs under $100 for a claimed 1000W capacity
- Fully modular design with flat black cables makes routing easier
- Includes a native 12V-2x6 cable for modern PCIe 5.0 GPUs without adapters
- 140mm fan operates quietly under light desktop loads
Cons
- No official 80 Plus efficiency certification, only a vague '85%+' claim
- Multiple user reports of units dying within the first 24 hours of use
- Reports of the PSU failing and taking the motherboard with it
- Suspiciously low price for a 1000W ATX 3.1 unit indicates extreme cost-cutting on internal components
Dimension Scores
Claims 1000W and 85% efficiency but lacks any official 80 Plus certification to prove it.
The 140mm fan is adequately quiet under light loads thanks to its large size.
Multiple user reports of units dying within 24 hours and taking motherboards with them.
Fully modular with flat black cables makes routing clean and straightforward.
Best For
- Ultra-budget builds where maximizing claimed wattage per dollar is the only priority
- Test benches where component failure won't result in data loss
- Replacing a dead PSU in an old system you plan to replace soon anyway
Not Recommended For
- Powering expensive modern GPUs like the RTX 4080 or 4090
- Any build where long-term reliability and component safety are priorities
- Overclocking high-end CPUs that demand perfectly stable voltage delivery
Watch Out For
- No official 80 Plus rating — the '85%+' efficiency claim is self-reported and not verified by independent testing.
- High failure rate out of the box — multiple buyers report the unit working for one day and then completely dying.
- Potential hardware damage — when this PSU fails, users report it can take the motherboard and other connected components down with it.
- Questionable 10-year warranty — MUSETEX is primarily a budget case manufacturer, making a decade-long PSU warranty hard to trust.
Full Specifications
| ASIN | B0GN1XVVFW |
| Brand | MUSETEX |
| Wattage | 1000 watts |
| Model Name | MU1000 |
| Form Factor | ATX |
| Item Weight | 3.2 pounds |
| Manufacturer | MUSETEX |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 1000 Watts |
| Compatible Devices | Gaming Console |
| Product Dimensions | 6.3 x 5.91 x 3.4 inches |
| Item dimensions L x W x H | 6.3 x 5.91 x 3.4 inches |
What Buyers Say
The MUSETEX 1000W PSU is a classic case of 'too good to be true' pricing. The spec sheet boasts ATX 3.1, PCIe 5.0, and 1000 watts for under $100, but the reality is much darker. Buyers frequently report the unit failing within the first few days of use. Some users experienced catastrophic failures that destroyed their motherboards. The lack of an official 80 Plus certification proves this unit cuts corners where it matters most.
“Worked great for exactly 12 hours before it shut off completely and took my brand new motherboard with it, do not buy this cheap garbage.”
Common Praise
- Fully modular design keeps case clutter to a minimum
- Flat black cables are easy to bend around tight corners
- Includes the new 12V-2x6 cable for modern GPUs
- 140mm fan is surprisingly quiet when browsing the web
Common Complaints
- Unit completely died within 24 hours of installation
- Fried the motherboard when the power supply failed
- No official 80 Plus certification sticker anywhere on the box
- System randomly shuts down under heavy gaming loads
Ownership Tips
- The '85%+' efficiency claim means it pulls more power from your wall and generates more heat than a proper Gold-rated unit.
- If the unit fails, getting support for the '10-year warranty' requires going through Amazon seller messaging, which is hit or miss.
- The flat cables are stiff near the connectors, making the 24-pin motherboard plug hard to seat properly.
Frequently Asked Questions
Does this have an 80 Plus Gold rating?
No. It only claims an '85%+' conversion rate, which is not an official 80 Plus certification.
Can I use this with an RTX 4090?
Technically yes, as it includes the 12V-2x6 cable. Trusting a $2,000 GPU to a $60 unverified power supply is a massive risk.
Are the cables braided or flat?
The cables are flat, all-black, and fully modular, which does make cable management in tight cases a bit easier.
Is the 140mm fan loud?
Under normal desktop use, the 140mm fan stays relatively quiet. If you actually push it near 1000W, expect the noise to ramp up significantly.
What happens if it dies?
While it claims a 10-year warranty, multiple users report the unit failing within days and sometimes damaging the motherboard in the process.
Buying Guide
The power supply is the one component in your PC that can destroy everything else if it fails. Seeing a 1000W unit priced at half the going rate of reputable brands means the manufacturer used cheap internal components. Never buy a PSU based solely on the wattage number on the box. You need to verify its efficiency rating and check independent teardown reviews to ensure it won't fry your expensive graphics card.
80 Plus Certification
This is an independent test of how efficiently the PSU converts wall power to PC power. No official rating means the manufacturer is hiding their actual performance.
ATX 3.1 / PCIe 5.0
These are the newest power standards that include a dedicated cable (12V-2x6) for modern GPUs, preventing the melting issues seen with older adapters.
105°C Capacitors
Capacitors store and filter power. High-quality Japanese capacitors rated for 105°C last much longer than cheap alternatives, preventing sudden power failures.
Alternatives
Look for an 850W or 1000W unit from a reputable brand with an official 80 Plus Gold certification and a spot on the 'Cultists Network PSU Tier List' in Tier A or B.
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