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[H]OCP EVGA NEX1500 review

post #1 of 10
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http://www.hardocp.com/article/2012/12/11/evga_supernova_nex1500_classified_power_supply_review

I knew the EVGA NEX1500 was overpriced for what it was, but for [H] to go out and by a retail power supply and have it fail one of their tests?
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Millenium Falcon
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post #2 of 10
well, at least evga has great customer service. i have a feeling a lot of their psu's are being rma'd. either learn from this or stick with gpu's
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Lanu Moana
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post #3 of 10
Lol @ conclusion!!
Quote:
Paul's Thoughts:

1. Documentation, what documentation?
2. The Handle to Nowhere.
3. Cables? Looks like I ordered birds nest soup!
4. Fan? I can’t hear you, can yell a little louder?
5. 12v rail assignment? W.T.F.?
6. Oh the fan and the 12v rail assignment don’t work right from the factory? You want us to fix it ourselves in the software? That can’t be the right answer.
7. Oh the software isn’t included in the package I bought to fix it myself? Well at least it is easy to find, wait, does that say I have to register to get my product to work right?
8. Rail overboard! Rogue waves in the 3.3v rail.
9. Scotty, we need more power at 100v.
10.This power supply costs how much??????????????

Anyways, on topic. I hope EVGA can start making smarter choices. And to think that I was about to buy this for upcoming build.
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post #4 of 10
NEX1500 has a LIVP (Low Input Voltage Protection) setting that shuts down the power supply if input voltage drops below 93VAC. This is for safety reasons. The power supply will not shut down at 100VAC. When run with a proper 3kVA variable AC source from Chroma at 100VAC and 95VAC the power supply runs fine on full load at 50C. HardOCP uses a variable transformer rather than an AC source. This is a non-regulated component, so when it heats up the resistance increases and the voltage drops. Though his variac was probably set to 100VAC, the output was probably closer to 90-95VAC, which is low enough to trigger the LIVP. All it takes is to bring the voltage back up to 97VAC and flip the switch on and off, and the PSU will work as intended again.

This is due to a poor testing methodology by [H], not due to a fault with the unit.


Most of their other criticisms are valid, though the complaint about individually sleeved cables is highly subjective since a majority of the people who have bought this unit seem to love them. If you don't like them, fine, but that's personal opinion.
post #5 of 10
AC input voltage is measured after the VARIAC, but nice try Phaedrus2129.
post #6 of 10
Quote:
Originally Posted by Phaedrus2129 View Post

NEX1500 has a LIVP (Low Input Voltage Protection) setting that shuts down the power supply if input voltage drops below 93VAC. This is for safety reasons. The power supply will not shut down at 100VAC. When run with a proper 3kVA variable AC source from Chroma at 100VAC and 95VAC the power supply runs fine on full load at 50C. HardOCP uses a variable transformer rather than an AC source. This is a non-regulated component, so when it heats up the resistance increases and the voltage drops. Though his variac was probably set to 100VAC, the output was probably closer to 90-95VAC, which is low enough to trigger the LIVP. All it takes is to bring the voltage back up to 97VAC and flip the switch on and off, and the PSU will work as intended again.
This is due to a poor testing methodology by [H], not due to a fault with the unit.
Most of their other criticisms are valid, though the complaint about individually sleeved cables is highly subjective since a majority of the people who have bought this unit seem to love them. If you don't like them, fine, but that's personal opinion.
Explain the part about the sleeved cables.
I don't get it.
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post #7 of 10
Quote:
Originally Posted by [Spectre] View Post

AC input voltage is measured after the VARIAC, but nice try Phaedrus2129.

Then I don't know what's up, because I ran at least a half dozen units on 100VAC input with no issues at full load, two of them in the hotbox for 24 hours. If voltage his ~93VAC or under it will shut down, but if it's over 95VAC and the unit is working properly that should not happen, period.


There are problems with this unit, definitely, but that shouldn't be one of them.
post #8 of 10
I had my eyes on this PSU for my QUAD 680 build *Sigh face* - Have to waddle through even more reviews now to find a good one that meets my needs (3770K OC @ 5Ghz - 4 X Gtx 680 voltmodded - 2 x SSD - 35X2 pump - 4 x fans - 3-5 USB devices).
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post #9 of 10
Quote:
Originally Posted by Gomi View Post

I had my eyes on this PSU for my QUAD 680 build *Sigh face* - Have to waddle through even more reviews now to find a good one that meets my needs (3770K OC @ 5Ghz - 4 X Gtx 680 voltmodded - 2 x SSD - 35X2 pump - 4 x fans - 3-5 USB devices).

lepa g1600 aka enermax 1500 or possibly the 1700 that will be in europe
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post #10 of 10
Kyle Bennett is also a bit of a jerk as well
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