Skip Navigation

Buildapc @lemmy.world

csm10495 @sh.itjust.works

2mo ago

I'll bite. Why is this PSU so cheap?

Link: https://www.walmart.com/ip/XPG-CYBERCORE-ATX-Modular-PSU-1000W-80-Plus-Platinum-26-Connectors-Intex-ATX-12V/724286138

PC Part Picker Link: https://pcpartpicker.com/product/rtD7YJ/adata-xpg-cybercore-1000-w-80-platinum-certified-fully-modular-atx-power-supply-cybercore1000-bkcus

.. why is this PSU so cheap? It's on at least one tier list as being A+ rated. It's 80+ Platinum. No idea if it has the latest connector for Nvidia, but I don't really personally need or care about that.

Sold and shipped by walmart.com, so should be a legit seller. Has a 10 year warranty. Returnable in store. What am I missing? lol

(I acknowledge there are some bad reviews.. but still sold and shipped by walmart. Maybe a bad batch?.. but come on that price still)

Why is this so cheap?

Buildapc @lemmy.world

csm10495 @sh.itjust.works

2mo ago

I'll bite. Why is this PSU so cheap?

29 comments

8 ratings: 3 5-Star, 1 4-Star, 4 1-Star.
Every single person who gave a 1-star review also wrote a note saying the unit was either DOA or failed shortly after arrival. The four reviews are spaced out over time, so this is a consistent problem with the item.
Only one of the people who gave a 4- or 5-Star review left a comment. That review was posted after 3 of the 4 negative reviews were left and it's specifically marked as an "incentivized review". Which means that the seller was trying to take specific action to overcome the previous negative ratings, and would've made damn sure he sent out a working unit.
The other three positive reviews don't have comments and it's impossible to tell if they were verified purchases, straw purchases, fake reviews, or what. But honestly I'd pass on this.
- Idk it seems well regarded on tier lists and in reviews like: https://www.tomshardware.com/reviews/xpg-cybercore-1000-platinum-power-supply-review
  The 1300w has good reviews on Amazon: https://a.co/d/gVbDtmL
  How could it do well in those cases, but bad for Walmart folks?
  
  Walmart presses harder for a deal, Walmart gets the units that passed QC but barely. Good enough to not have to call it B-stock but you don’t want to send it to your better retailers either.
  
  Unfortunately it's not a good idea to cross-compare PSUs within one series/model at different wattages because they can behave very differently.
  Typically the higher-wattage units within a series/model have better performance, voltage regulation, efficiency, etc. - sometimes in small ways, sometimes in big ways.
- To be fair, I think it’s pretty hard to get legitimate reviews from happy customers of a PSU. If it’s doing its job, you don’t even notice that it’s there. However if it fails, you’re likely to be highly motivated to go leave a negative review.
  Not saying this is a good PSU. I’ve never used it; it could be a piece of crap with leaky recycled caps for all I know. The above issue is a possibility with many different utilitarian products.
I mean if you really need 1kw I wouldn’t bother trying to save ~$100 on a PSU that could be very iffy.
Doesn't seem particularly cheap to me, to be honest. You can get a great 750 or 850 Watt unit for that money.
What the hell is "Cybenetics quality standards"? That's not a real rating.
- It's like when companies say "military grade" on their parts...if you know anything about military that means it's the absolute most shitty quality, the cheapest of the bidders that just "gets the job done", but only just.
- Speak for yourself. I bought this PSU for my Neuralink
  
  Are you allowed to use a microwave?
- Cybenetics is an alternative to the 80+ rating system, supposedly more thorough and demanding. Here's a writeup from Corsair on the differences as part of their switch to use only Cybenetics going forward.
- Cybernetics is the leading authority in PSU testing. This is the report for this power supply:
  https://www.cybenetics.com/evaluations/psus/1994/
  It doesn't seem too bad from that test.
Almost nobody needs a PSU that strong. Further I guess the real output is nowhere near to 1000W. Buy a model from a renowned company/brand and never ever cheap out on a PSU.
- Buy a model from a renowned company/brand
  Unfortunately this doesn't mean much in the realm of PSUs. Most reputable brand names have little to nothing to do with the PSU designs, aside from the stickers. They are simply ordering units from ODMs most have never heard of like CWT, FSP, XHY, Helly, Andyson, etc. and labeling them as their own product.
  Even within a brand name, different power supplies are made by different ODMs, and vastly differ in quality. Knowing the ODM doesn't always define quality either, as the ODMs that produce high quality units for one brand also make lower quality units for other brands.
  The main exception is Seasonic, as they have their own manufacturing. Even then it's not always true, as their lower end models are made by RSY and Helly, who generally make low-to-middle end power supplies.
  Sorry for the writeup, it's just something I've looked into in the past.
  
  Yeah, I'm aware of that. I've worked in the hardware business myself (even though for Graphics Cards, Mainboards and the like), so thanks for pointing it out, I'm sure many are not aware. So no need to apologize at all. I switched to Seasonic myself something like 15 years ago and never looked back. Before that, a cheap PSU grilled a 500 Euro Graphics Card and another literally went up in smoke (Enermax) the first time I switched the system on. I've learned my lesson and payed the price.
Huh? Why would you expect to pay much more than $130 for a 1000W PSU?
- Yes, you can get a high quality Seasonic 1000w PSU for that price 🤔
- Because not everyone watches the good sites for deals
Zoom zoom boom
My guess is they skimp on components and more importantly QC. It probably won’t last long.
Just wait for a deal on a Seasonic or Super Flower, IMO. Get it and forget it.
It really doesn't seem that cheap but maybe that's because I've never shopped in the 1kW range.

29 comments