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Cougar PSU, are they reliable? - Page 3  

post #21 of 51
Thread Starter 
crap, i went to the store this afternoon and all brands were out of stock except for these two:

$46 Huntkey V-Power LW-6500HG 500watts http://www.huntkeydiy.com/en/product/product_list-12--1.html cant find the psu here though
$54 Aerocool Strike-X 500w http://www.aerocool.us/strikex%20power/strikex_power%20index.htm

The strike-x had 80+ bronze certification so I got it instead, although the psu design was a bit overdone for me.
Did I make a good choice going for that over the huntkey?



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post #22 of 51
https://www.google.com/#hl=en&safe=off&sclient=psy-ab&q=aerocool+strike-x+500w+review&oq=aerocool+strike-x+500w&gs_l=hp.3.1.0l4.294.9515.0.11578.28.17.3.8.11.0.186.1549.13j4.17.0.les%3B..0.0...1c.1.4.psy-ab.iGOZyZxq0a8&pbx=1&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&bvm=bv.42768644,d.cGE&fp=19f49d6cfd4164f4&biw=1920&bih=952

Its amazing what you can find when you search these days.
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post #23 of 51
edalbkrad,You report you chose one power supply over the other based on one having an 80 Bronze rating.May I ask why this rating was important to you?
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post #24 of 51
Faced with a decision like that, if I didn't know anything about them, I'd pick the 80 plus bronze too. It's more likely to be some kind of reasonably-modern platform with say two-transistor forward on the primary. Voltage regulation and ripple/noise, and actual quality would still be unknown, but as long as they're not lying, it passed through ECOS at 100% load @ 23C without dying.

Looks like the Aerocool X-Strike is some kind of Andyson, who are usually okay. Advertised +12V rating is 492W out of that 500W total.

Looks like the Huntkey (which are usually bad except the higher-end models) is bad if it's anything like this similarly-named 550W unit:
http://www.hardwaresecrets.com/article/Huntkey-V-Power-550-W-Power-Supply-Review/754/1

Advertised ratings for the Huntkey... actually, wait, forget it. It's like two unspecified +12V "rails" (who knows what's really inside) of 18A each for the whole lineup up to 500W? If a 500W model only has one PCIe power connector, that's a bad sign, folks.
post #25 of 51
mikeaj,we had a discussion earlier in the week that ended with agreement that no conclusions about the quality of the power supply should be drawn due to the power supplies efficiency rating.The rating does not indiicate anything in regards to the quality of other parts of the power supply.

http://www.overclock.net/t/1361158/conclusions-about-overall-quality
Edited by PCCstudent - 2/21/13 at 4:17pm
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post #26 of 51
There's not too much causation between efficiency and quality, and efficiency is certainly not the factor to be basing decisions on (if all the other information is known), but there's some correlation. Maybe you can't draw any real conclusions, but you can guess.

In the lower-end segments, particularly in some markets, the "unknown" unit with no APFC, no 80 plus is probably being sold cheap for a reason. I'd pick door B, so to speak.
Edited by mikeaj - 2/21/13 at 4:01pm
post #27 of 51
Thread Starter 
Quote:
Originally Posted by mikeaj View Post

Faced with a decision like that, if I didn't know anything about them, I'd pick the 80 plus bronze too. It's more likely to be some kind of reasonably-modern platform with say two-transistor forward on the primary. Voltage regulation and ripple/noise, and actual quality would still be unknown, but as long as they're not lying, it passed through ECOS at 100% load @ 23C without dying.

Looks like the Aerocool X-Strike is some kind of Andyson, who are usually okay. Advertised +12V rating is 492W out of that 500W total.

Looks like the Huntkey (which are usually bad except the higher-end models) is bad if it's anything like this similarly-named 550W unit:
http://www.hardwaresecrets.com/article/Huntkey-V-Power-550-W-Power-Supply-Review/754/1

Advertised ratings for the Huntkey... actually, wait, forget it. It's like two unspecified +12V "rails" (who knows what's really inside) of 18A each for the whole lineup up to 500W? If a 500W model only has one PCIe power connector, that's a bad sign, folks.

that looks exactly like the one they had at the next door shop.

ive been running my sig rig straight for about 7 hours now and i noticed there is some kind of hissing noise.

its raining here so i can hardly hear it, but i think it might be the psu. Ive never heard that sound from my sig rig before
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post #28 of 51
If this "less heat from the higher efficient power supply" is so great I ask why are the manufactures not stressing this benefit.Some dispute the 50% myth and claim that the power supply must be at 90% load for the efficiency features to come to play.My feeling is that a power supply that is at 90% is putting out quite a bit of heat no matter what the efficiency rating,perhaps this is why the "less heat" issues is not so pumped.
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post #29 of 51
Thread Starter 
thanks for that review, really helpful, had to translate it though

Quote:
Originally Posted by PCCstudent View Post

edalbkrad,You report you chose one power supply over the other based on one having an 80 Bronze rating.May I ask why this rating was important to you?
well only 2 psus were available at the shop so I went with the 80+ rating,
from what I remember, those with 80+ rating are more efficient at saving unused power from the socket
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post #30 of 51
edal,click on the link in one of my earlier posts(in this thread) and Two Cables will spell out just what is going on with efficency numbers.
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