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Rebate:

OCZ StealthXStream 600W Power Supply $75 at Buy.com
Discuss (37) : History : Tell : Posted 1:44 PM PST 02/6/08 by Ben
Buy.com has the OCZ OCZ600SXS StealthXStream 600W Power Supply for $83 - $8 rebate [Exp 2/8] = $75 with free shipping. Even at peak loads, the 600W StealthXStream remains virtually silent and excludes flashy LEDs ensuring the power supply is not seen or heard.
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#1   CompWiz17 - Posted 1:59 pm PST 02/6/08 (3494 Posts)
unfortunately, this isn't all that great of a power supply. This power supply is manufactured by FSP, a manufacturer known for their output voltage ripple problems, and they don't disappoint with this PSU.

Ripple on the output power is a silent killer that can destroy many of your components. It stresses and can cause premature failure of your voltage regulators that regulate power to your CPU and GPU, among other things. So, using a power supply, like this one, with high ripple, could cause your motherboard and graphics card to fail. Also, since ripple stresses the VRM's, it can hinder overclocking.

This power supply is very similar to the GameXStream power supply, reviewed at JonnyGuru.com. The ripple on the 12v rails of that power supply exceeds 150mV. ATX specs allow for 120mV, but lower is always better. Here is a shot of the ripple on the 12v rail:

[image]

ugly, isn't it. That's over 150mV of ripple, way over ATX specs. Now, to compare, here is the ripple on the Ultra X3 1600watt power supply, when loaded to approximately 1600watts, over double the load on the GameXStream from the previous picture:

[image]

That's under 20mV, at 1600WATTS!

post continued below due to post length limit
#2   CompWiz17 - Posted 2:00 pm PST 02/6/08 (3494 Posts)
To look at something a bit cheaper, here is the ripple on the 12v rail of the Rosewill RP500-2 power supply, a budget power supply that sells for somewhere around $50, retail:

[image]

that power supply, at full load, stays around 20mV ripple on the 12v rail.

The GameXStream and StealthXStream lines are flawed, it's not just one of the units. The GameXStream 1010w power supply can't even run at all at more than 85% of it's rated wattage, it just shuts down. Also, since it was also made by FSP, it also has ripple problems, with all of it's rails(3v, 5v and 12v) going way above ATX ripple specs.

Basically, don't buy a StealthXStream or a GameXStream. If you do, you risk burning out your the voltage regulators on your motherboard and graphics card. Do you really want to buy a replacement graphics card? And do you really want to have to pull all of your components out so you can install a new motherboard?

Just buy a higher quality power supply.

post continued below due to post length limit
#3   CompWiz17 - Posted 2:01 pm PST 02/6/08 (3494 Posts)
There are some other lines of power supplies that OCZ sells that are of much better quality, but avoid the GameXStream, ModXStream, and StealthXStream models. Their ProXStream, ModStream, and EvoStream power supplies do not have ripple problems.

You could get this power supply and use it as a 400-500watt unit. The ripple would still be very high, but not out of spec. As long as it doesn't increase, you'd probably be fine. However, since very few people own an oscilloscope, it's very hard to check to see if the ripple is too high. So, you might get a slightly worse unit than the one that was reviewed, that happens to have ripple exceeding ATX specs at 400watts, and you'd never know it, until your components started failing.

But, why would you want to pay $75 for a mediocre 400-500watt power supply? There are far better power supplies available for under that price that provide plenty of watts of nice, low ripple power.

post continued below due to post length limit
#4   CompWiz17 - Posted 2:12 pm PST 02/6/08 (3494 Posts)
The Rosewill RX 850watt power supply was just on sale a couple days ago for $50, and that was an amazing deal. That power supply, while it doesn't have the lowest ripple around, does stay very well within ATX specs up to it's maximum rated load. If you want a high wattage power supply for cheap, that power supply would be an excellent choice. http://bensbargains.net/deal/55617/

The Corsair 550VX 550watt power supply is currently on sale for $70. That's a very high quality power supply with excellent output quality, and a nice big single 12v rail. It's definitely a far better choice than this power supply. It's not the cheapest power supply around, but quality construction costs more.
link: http://bensbargains.net/deal/56024/

The CoolerMaster eXtreme Power 500watt PSU is on sale right now for $8 at Frys.com. It's a solid 400-450watt Seventeam-made power supply, which is more than the vast majority of computers need anyway. Even a high end gaming computer with a quadcore CPU and 2 GeForce 8800GTX's in SLI(all overclocked) uses only 400-450watts at max load. So, if you've only got a dualcore CPU, and, say, a 8800GT, this power supply would be fine for you, and certainly an amazing deal at it's current price. However, many people have commented that the fan can be a little loud.
link: http://bensbargains.net/deal/56214/

the above pictures are from power supply reviews at [H] Enthusiast and JonnyGuru.com.
#5   m0f0 - Posted 2:31 pm PST 02/6/08 (6803 Posts)
CumJizz17 will need a new keyboard soon to replace the one he's worn out with all this incessant CTRL-C / CTRL-V action. *smirk*
#6   PornStarMom - Posted 3:15 pm PST 02/6/08 (244 Posts)
unfortunately, this isn't all that great of a power supply. This power supply is manufactured by FSP, a manufacturer known for their output voltage ripple problems, and they don't disappoint with this PSU.

Ripple on the output power is a silent killer that can destroy many of your components. It stresses and can cause premature failure of your voltage regulators that regulate power to your CPU and GPU, among other things. So, using a power supply, like this one, with high ripple, could cause my motherboard and graphics card to fail. Also, since ripple stresses the VRM's, it can hinder overclocking.

This power supply is very similar to the GameXStream power supply, reviewed at JonnyGuru.com. The ripple on the 12v rails of that power supply exceeds 150mV. ATX specs allow for 120mV, but lower is always better. Here is a shot of the ripple on the 12v rail:

[image]

ugly, isn't it. That's over 150mV of ripple, way over ATX specs. Now, to compare, here is the ripple on the Ultra X3 1600watt power supply, when loaded to approximately 1600watts, over double the load on the GameXStream from the previous picture:
#7   PornStarMom - Posted 3:22 pm PST 02/6/08 (244 Posts)
ChumpWiz must really think people are stupid.


Lets face it, I've been visiting Ben's for YEARS now and every time I see Chumpwiz' comments they are ALWAYS the same.


That's why everyone thinks he's a buttfucker.

You know, the kind of guy who always wanted to copy YOUR hard work and take the credit.
#8   jwahooo - Posted 3:26 pm PST 02/6/08 (1415 Posts)
Thank You mr.ed of the power supplies.
#9   superd00d3 - Posted 3:26 pm PST 02/6/08 (2128 Posts)
Mr. X must really think people are stupid.


Lets face it, I've been visiting Ben's for YEARS now and every time I see Mr. X's comments they are ALWAYS the same.


That's why everyone thinks he's a butterbucker.

You know, the kind of guy who always wanted to copy YOUR hard work and take the credit.
#10   PornStarMom - Posted 3:27 pm PST 02/6/08 (244 Posts)
Conclusions
We loved this power supply. Why? Because it has exactly the same design of two other good high-end power supplies, OCZ GameXstream 700 W and Zalman ZM600-HP, but costs a lot less – only USD 85 in the USA. For the average user this is a terrific buy.

The only internal difference between OCZ StealthXstream 600 W and these other two high-end models are the rectifiers used on the +12 V output, capable of delivering less current (and thus power). But it is still enough for the majority of users. The other components are exactly the same.
#11   CompWiz17 - Posted 3:41 pm PST 02/6/08 (3494 Posts)
#5, #7: If you want to accuse me of copying people's reviews and pasting it on here, do it properly. Try to find a review that has the same, or even similar text to what I've posted. The fact is, there isn't one. All of my power supply comments were written by me. If I ever copied a part of a review directly from another site, I used a quote block around it. Plus, while this is in no way a direct copy of someone else's review, I did site the sources where the information I used came from. Look at the end of my post. I don't claim that the information is mine, but the posts I write and the conclusions I draw are all directly from me. And of course, the other power supply recommendations are obviously from me.
#12   PornStarMom - Posted 3:52 pm PST 02/6/08 (244 Posts)
Ha! ChumpWiz is suffering from OJ Simpson dementia.

If you keep telling yourself you didn't do it long enough, you'll start to really believe it!
#13   m0f0 - Posted 3:52 pm PST 02/6/08 (6803 Posts)
Wow, CumJizz17 even plagiarized post #11! I just checked and sure enough, his IP address resolves his copy and pasting direct to the marketing department of one of OCZ's rivals. *smirk*
#14   nuisance - Posted 3:56 pm PST 02/6/08 (7734 Posts)
It's amazing how many people in this thread are overwhemlingly bitter about having bought an inferior power supply that blew up their precious Apple cumpooter. How sad all of you m0f0 asskissers are.
#15   lawnsprinkler - Posted 4:27 pm PST 02/6/08 (1574 Posts)
I don't mind CumJizz17 plagiarizing. I think the posts are informative. In fact, I think more of you should rely on this method. However, what I do object to, is him petitioning Ben to censor the postings of the more original thinkers on this site. A well thought out insult to one's mother has more than once helped me make the decision to buy or not buy an item linked from this site. For instance, if not for some of the more intelligent postings in the pink camera threads, I would be walking around taking pictures looking like a f@g.
#16   mitda - Posted 6:08 pm PST 02/6/08 (657 Posts)
Dude, CompWiz, just shut up. You're full of shit. Stop conning suckers into buying overpriced, overhyped power supplies that work the same as $30 ones. What a douche.
#17   mitda - Posted 6:09 pm PST 02/6/08 (657 Posts)
Stop misleading people just because you feel stupid for paying too much in the past.
#18   CompWiz17 - Posted 6:15 pm PST 02/6/08 (3494 Posts)
#16, #17: well, if you really believe that getting a cheap junk power supply won't hurt your computer, why not get one of those really cheap PowMax models, on sale now at newegg. When it fries your computer, then we won't be bothered by your useless posts anymore.

And anyway, I usually recommend power supplies that cost less, not more, than the deal one.

In case you didn't notice, I recommended a $70, a $50, and an $8 power supply, while this deal is for a power supply that costs $75.
#19   PornStarMom - Posted 6:44 pm PST 02/6/08 (244 Posts)
I accept that ChumpWiz has no clue.

He's a used car salesman from 1982 lost in what he perceives as a very scary world. He makes shit up to feel useful. Sad, really.....
I pity the poor fool.
#20   agent86 - Posted 7:03 pm PST 02/6/08 (1 Posts)
CompWis is right, that scope trace is pretty bad. No, I don't mean the ripple on the supply, it just looks like bad measurement technique.

It's so zoomed out you can't really tell anything. When I see something like that, it's usually a ground loop in the measurement, not what's actually on the power supply. When measuring power supply noise like that, you really want much better than 25KSa/s. That's a worthless picture.
 
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