How good is this power supply?

Newbie-asker

Reputable
Oct 13, 2015
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4,790
Hello i want to ask about this power supply below:
item_XL_6503438_3960245.jpg

Brand: Twin MOS
450 W
and this one too:
Cooler Master GX 650W 80 PLUS Power Supply
item_XL_6256057_3487720.jpg

TY
 


Here is specs of it:
Complies with ATX12V & 20/24 pin
2 SATA power connector for convenient
High efficiency & Stability
Supports Intel & AMD Dual Core CPUs
Magnetic amplifier technique
100% Hi-pot test
100% Burn-in test
MTBF≥10,000 hours at 25℃
(Source: Twins MOS official page) (PSU brand page)
 
100% cheap made-in-china junk. or did the marketing department miss that line? if it's a power supply you already have, it MIGHT be useful. but i wouldn't bother to BUY it, unless i was getting an old 486DX up and running again.

for affordable power supplies, i would go Corsair CX, or EVGA, or Antec.
 


LOL i don't know where it made but the manufacturer company base country is UAE
as the seller said on the online store + the official page mentioned that too
 


Man, even their own claims are pitifully embarrassing. Tested at 25 degrees! 2 SATA connectors! And "for convenient" no less!

Not sure the purpose of paying for that. After all, I can smash my motherboard with a hammer or set my PC on fire for pretty much for free. And more efficiently as I won't have to wait for the disaster number to come up on the roulette wheel.
 


Again, from the HardOCP review:

The Bottom Line

The Cooler Master GX 650W is a mediocre power supply for couple of years ago, and an outright failure today. The Build Quality of the unit is nothing to write home about (unless it is a warning), the topology is old and outdated, and the exterior is flash over substance. Coupled with this we have mediocre voltage, poor by today's standards efficiency, and out of specification DC Output Quality. One upping this poor showing is that fact that the unit was completely unable to complete our load tests at 100v AC input. That makes the GX 650W not just a failure by our standards, but rather a double failure and an ugly one at that. Making matters worse is the fact that this unit is priced at up to $100 in retail and $70 online. (Users can pick up the much better Seasonic M12II-620Bronze from Amazon with Free Prime Shipping for $98.29). As it stands, there really is not anyone that this unit would be a good fit for that we can think of, and certainly not for its intended crowd of "gamers." Cooler Master should be ashamed and owes all gamers and hardware enthusiasts an apology.
 


Man i really want to buy from Amazon but i don't own credit card yet 🙁