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ATX power supply for single-socket server/ workstation

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  ATX power supply for single-socket server/ workstation David Christensen <dpchrist@holgerdanske.com> - 2022-04-25 22:50 +0200
    Re: ATX power supply for single-socket server/ workstation local10 <local10@tutanota.com> - 2022-04-25 23:00 +0200
    Re: ATX power supply for single-socket server/ workstation Dan Ritter <dsr@randomstring.org> - 2022-04-25 23:50 +0200
    Re: ATX power supply for single-socket server/ workstation Felix Miata <mrmazda@earthlink.net> - 2022-04-26 02:20 +0200

#247546 — ATX power supply for single-socket server/ workstation

On 4/25/22 11:24, Dan Ritter wrote:

 > There's a lot to be said for using $60 power supplies instead of
 > $200 power supplies.

I am starting to worry that $60 PSU's are good for one thing -- 
destroying themselves and everything else in the computer!


Any recommendations for an ATX power supply for a single-socket server/ 
workstation?  Cabling should include 24-pin motherboard connector, 8-pin 
CPU connector, 6-pin video card connector, several SATA power 
connectors, and a few 4-pin drive connectors.  The PSU must reliably 
detect AC supply and/or computer load problems, turn itself off when 
they are detected, and survive A/B troubleshooting under adverse 
conditions with faulty components?


David

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#247547

Apr 25, 2022, 20:47 by dpchrist@holgerdanske.com:

> I am starting to worry that $60 PSU's are good for one thing -- destroying themselves and everything else in the computer!
>


Really? I've used a number of cheap Chinese 300-400W power supplies in the $20 range and they all worked for years without any issues. 

Regards,

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#247549

David Christensen wrote: 
> On 4/25/22 11:24, Dan Ritter wrote:
> 
> > There's a lot to be said for using $60 power supplies instead of
> > $200 power supplies.
> 
> I am starting to worry that $60 PSU's are good for one thing -- destroying
> themselves and everything else in the computer!
> 
> 
> Any recommendations for an ATX power supply for a single-socket server/
> workstation?  Cabling should include 24-pin motherboard connector, 8-pin CPU
> connector, 6-pin video card connector, several SATA power connectors, and a
> few 4-pin drive connectors.  The PSU must reliably detect AC supply and/or
> computer load problems, turn itself off when they are detected, and survive
> A/B troubleshooting under adverse conditions with faulty components?


I generally find:

Seasonic
EVGA
Corsair

to make reliable power supplies. I can't speak to AC supply
problems, because I always put any computer I care about
behind a UPS.

The Seasonic S12III series has several units in the $50-75 range
according to required power.

-dsr-

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#247554

David Christensen composed on 2022-04-25 13:47 (UTC-0700):

> Any recommendations for an ATX power supply for a single-socket server/ 
> workstation?  Cabling should include 24-pin motherboard connector, 8-pin 
> CPU connector, 6-pin video card connector, several SATA power 
> connectors, and a few 4-pin drive connectors.  The PSU must reliably 
> detect AC supply and/or computer load problems, turn itself off when 
> they are detected, and survive A/B troubleshooting under adverse 
> conditions with faulty components?

This is a record of my newest, starting with my first 80+ model, and not including
any that came with any PC acquisition:
runs 24/7  Date    From     $Cost      Brand          Model      Watts
no       2007-11 CompGeeks  26.99 Antec         Earthwatts EA380  380
no       2007-11 Newegg     24.99 Antec         Earthwatts EA380  380
no       2008-07 Newegg     29.99 Antec         Earthwatts EA430  430
returned 2008-09 Newegg         0 Antec         Earthwatts EA500  500
no       2009-01 Newegg     39.99 Antec         Earthwatts EA430  430
no       2012-09 Newegg     44.99 Rosewill      Green RG430-S12   430
yes      2013-12 Newegg     34.99 EVGA          100-W1-0430-KR W  430
no       2014-08 Newegg     39.99 Corsair       CX430             430
no       2015-11 Newegg     39.99 EVGA          100-B1-0500-KR    500
yes      2017-02 Newegg     31.98 EVGA          100-B1-0450-K1    450
no       2017-12 Newegg     39.99 Cooler Master MWE 500           500
no       2019-02 Newegg     38.57 Antec         VP500 Plus        500
spare    2020-01 Bob            0 Corsair       TX750             750
no       2020-03 Newegg     42.98 EVGA          450 BR 100-BR-04  450
no       2020-09 Newegg     44.99 Thermaltake   Smart Series      430
no       2021-08 Newegg     32.09 EVGA          500 BA 100-BA-05  500
no       2021-09 thrft stor 20.33 Raidmax       RX-300            300
no       2022-02 Newegg     32.09 EVGA          500 W3 100-W3-05  500

All are used with single CPU motherboards, roughly half with IGP video, none with
discrete GPUs that take 2 slots or require separate power connection, and only a
very few GPUs with active cooling. Maximum HDD/SSD count is 3 per, but most have
only 1. Thus, my PCs' power requirements are relatively modest. Maximum CPU core
count per PC is 6. Max CPU TDP is 125W, in one only (running on a 430W). All the
rest are 85W TDP or less.

Nearly all those I bought before 80+ eventually required recapping within 5 years
of age, or warranty replacement. The EA500 was returned because it always shut the
PC down during UPS transition from 120V to battery. 2 of the other Earthwatts also
needed recapping.

AFAICT, I've never overloaded a PS that wasn't itself failing.

Since dual 12V rails became a thing, I've always avoided such models - KISS.

I buy on sale rather than immediate need. So, my cost has typically been in the
$20-$30 discount (or rebate) off regular price range.
-- 
Evolution as taught in public schools is, like religion,
	based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata

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