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MarkJohnson

N40L - PSU failure

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MarkJohnson

I gave my N40L to my brother-in-law a couple of years ago and it now doesn't turn on.  It seems to be the power supply.

 

Anyone know of a good replacement PSU?

-=Mark=-

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ikon

I don't recall what they are, but I can tell you there are replacements available. I believe they're 1U Compact PSUs.

 

EDIT: here's a couple of links that may help;

 

http://www.itxpower.net/en/Power_Supply_f.htm

 

http://ieiworld.com/product_groups/industrial/content.aspx?gid=09049539805266347587&cid=08141364542017163111&id=08142307161887086958#.VHkwCsnYspo

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schoondoggy

The N series Microservers used Delta supplies. The standard was a 150W, but there was a 200W option. Look on page 22 of the service manual for the HP part numbers. https://www.google.com/url?sa=t&source=web&rct=j&ei=5zd5VLiLO9GIsQTl3oHgBg&url=http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c02473845-10.pdf&ved=0CCMQFjAC&usg=AFQjCNHSjS6hNzRiNoxrgTLMd-0C3Gu0bA

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MarkJohnson

I ended up going with the seasonic 300 watt 80plus gold (SS-300M1U) PSU.

I was going to go with the smaller 200 watt but it wasn't modular and only 80plus bronze.  

 

It turns out the 300 watt unit wasn't really modular after all.  At least not in a way that I could remove unwanted cables.  It only has two modules and both are needed.  so it was just a waste of time making it modular.  I mean they just added connects that introduce degradation for no reason.  It could have just all been soldered on for better connections, plus the extra room from no connector sticking out the back end.  It was a very tight fit.  but it all fit in the case.

 

If I had to do over, I would have bought the seasonic 200 watt 80plus bronze version instead.  I mean I'm never going over 60 watts and 80plus are optimized at 50% load.  Plus the 200 watt version was shorter for more room for wires.

 

But all in all, I'm happy with the unit.  it was only $60 US at newegg.  I've had great success with Seasonic for several years.  They actually make power supplies, while most other high end PSUs are just rebadged Seasonic's.

 

Thanks schoondoggy for the link.  It provided me with the exact dimensions for the PSU.  I measured the extra room for the PSU bay and seen I had over an inch clearance for this longer 350 watt version to fit snugly.  Page 91-92

Edited by MarkJohnson
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ikon

Seasonic make great PSUs.

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Joe_Miner

Cool! +1  So this is the one you got?  http://www.newegg.com/Product/Product.aspx?Item=N82E16817151123&Tpk=N82E16817151123

 

Just to confirm: You didn't have to reconfigure to main board power connector?  (I ask because when I put a new off-the-shelf PSU in my EX-487 I had to reconfigure the main board Power Connector because of a non-standard HP configuration).

 

I've added this thread to the Links page -- good info for everyone!

Edited by Joe_Miner

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bjohnrini

My N40L isn't turning ON anymore.

Do you have a link to the one you purchased, or the 200 watt one you recommend?

 

Thanks!

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ikon

The links in my post and Joe_Miner's still work.....

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bjohnrini

I know they work, but I was looking for a direct link to the actual product.

In your first link, I'm not able to tell which one is a direct replacement. I'm not able to go into each one listed there, since the "more" link doesn't work.

The second link doesn't look like a direct replacement either (different connectors?)

 

I know the newegg link that Joe_miner posted works, but I was looking for the 200w markjohnson recommended, I was not able to find it on newegg.

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