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The modular cable saga

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From Scott Mueller's: Upgrading and Repairing PCs 22nd edition

"perhaps the biggest drawback to modular cables is that modular PSU cables using standard connectors are patented, and the patent is owned by Systemax (aka TigerDirect and Ultra Products)."
 
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Interesting. Not a huge issue if you keep your cables in the original box (or plugged in, if so inclined), but still something to watch for.
 
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So is it the "modular" part or the "standard connector" part that is patented ?

If it's the 1st one, then fine, but if the 2nd one, somebody sure missed the boat on that, since most of the modular PSU's I've ever used had somewhat proprietary connectors on the psu end, so you have no choice to buy additional/new ones from the psu mfgr, or at least from an aftermarket company that makes them for specific psu's, which, you guessed it, are more $$ than is necessary if they were actually "standardized" across all psu's.....

THIS is what I see as the biggest drawback, not the fact that the cables are modular in nature :D
 

Ruru

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I remember reading of a scenario where an user sent his PSU to RMA, manufacturer said that it's okay if you leave your old cables, he got a new PSU, plugged the old cables and it fried his components.

Even though the replacement unit was a "same" model, there was been changes under the hood.
 
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From Scott Mueller's: Upgrading and Repairing PCs 22nd edition

"perhaps the biggest drawback to modular cables is that modular PSU cables using standard connectors are patented, and the patent is owned by Systemax (aka TigerDirect and Ultra Products)."
Systemax tried to sue all the brands/oems over the breach of their patent and lost. Why risk litigation again.
I remember reading of a scenario where an user sent his PSU to RMA, manufacturer said that it's okay if you leave your old cables, he got a new PSU, plugged the old cables and it fried his components.
even the same OEM will use different pinouts, the whole thing is ludicrous
 

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My guess is that the pinout could change between revisions?
maybe, it should not but we would need to know the exact two units to look into it. Always use the cables that came with the PSU unless specifically cleared by the brand (this situation is weird since we don't have the exact correspondence)
 

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maybe, it should not but we would need to know the exact two units to look into it. Always use the cables that came with the PSU unless specifically cleared by the brand (this situation is weird since we don't have the exact correspondence)
Yep, exactly. Though things can be problematic if you get sleeved cables for that one exact model, and shit like that happens between the same PSU model where revision and pinout changes or something.
 
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I remember reading of a scenario where an user sent his PSU to RMA, manufacturer said that it's okay if you leave your old cables, he got a new PSU, plugged the old cables and it fried his components.

Even though the replacement unit was a "same" model, there was been changes under the hood.
I remember that too. Pretty sure it was an EVGA power supply that had a rev-change after production started that included a pinout change. I think they did end up helping the person after it got some media attention, but it never should have happened in the first place. Beyond that the change shouldn't have happened, they didn't communicate well internally or set up a gate-check situation with their RMA group that would have caught and prevented it. Probably as a part of their overall wind-down and regular management changes during said wind-down, but who knows.

The only thing you have to do to make sure this doesn't happen is never use cables from one supply on another supply...ever.
 

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I remember that too. Pretty sure it was an EVGA power supply that had a rev-change after production started that included a pinout change. I think they did end up helping the person after it got some media attention, but it never should have happened in the first place. Beyond that the change shouldn't have happened, they didn't communicate well internally or set up a gate-check situation with their RMA group that would have caught and prevented it. Probably as a part of their overall wind-down and regular management changes during said wind-down, but who knows.

The only thing you have to do to make sure this doesn't happen is never use cables from one supply on another supply...ever.
Supernova G3 series? I almost also said that it was an EVGA unit but I wasn't 100% sure.
 
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Supernova G3 series? I almost also said that it was an EVGA unit but I wasn't 100% sure.
Wasn't it an EVGA GQ? High wattage, at that. The user said it fried lots of drives.
 
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Ruru

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Ruru

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The case I was thinking of was this one, with a 1000 GQ:

Me too! Sorry, I found a different one apparently. Should have looked for a couple more minutes lol.
"EVGA told the Reddit post to keep all his accessories and power supply cables as they wouldn't be returned if shipped. This is not an unusual practice for most power supply manufacturers."

So it was as I remembered, the other thing with the 750W one was too similar case though.
 
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"EVGA told the Reddit post to keep all his accessories and power supply cables as they wouldn't be returned if shipped. This is not an unusual practice for most power supply manufacturers."

So it was as I remembered, the other thing with the 750W one was too similar case though.
Yes. I scanned through it and assumed it was just the initial post before more detail was added and I didn't read the whole reddit thread. So that's my bad. I definitely remembered the part where EVGA told them to keep their cables due to bad internal communication.
 
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The Corsair Shift series gets around the patent by using their own "micro" connectors, which of course limits cable selection.
 
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I have made several custom cables.

There are resources to determine which Molex connector a particular PSU brand uses, and there are pinout charts.

Of course, after making the cable, before plugging the device end in, always verify the voltages on each pin.
 
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