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Balafore

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  1. That is most likely what happened then. I remember why I didn't switch the cable out too. Lesson learned; and thank you for your insight.
  2. I reviewed my wiring and may be wrong. I think I had an EVGA modular cable plugged into the PSU and the 2 drives that died originally, and another evga cable when it fried the replacement PCB. I guess my thinking was "a 12v rail should be universal across manufacturers". Could that really be the problem? An EVGA modular SATA cable instead of an Antec one?
  3. May or may not be relevant, but the due to the number of case fans and age of the case the cabling is a bit jank. I've got a molex cable with a 2way SATA splitter to run case fans and the SSD RAID, and had a 3way SATA cable to run the HDD Raid and the stand alone drive. After the initial short that cable was melted and was tossed and a new 3way sata cable installed to run (and then short) the replacement PCB. Being as the molex cable hasn't been having any issues, would it be worth while trying to use a new molex cable and splitter in lieu of the direct sata cable?
  4. EVGA 850, when it worked Antec 750 and Antec 1000. Used manufacturer supplied cables with each relevant PSU.
  5. I did the required bios chip swap on the PCB so in theory it should work. On both the 750 and 1000 watt PSUs I used modular cables labelled SATA
  6. I built a new rig and wanted the 850watt power supply that was running my old computer to power the new set up. I put an older PSU into the old system to get the data off of it that I wanted (going from RAID to AHCI and afaik you can't just plug a raid drive into a AHCI system and have it work.) Upon hooking up the old system to begin the data transfer; it fried the PCBs on 2 of the 3 mechanical drives. So I got a newer, different PSU, replacement PCBs and did a rom chip swap; plugged in the stand alone drive and sparks and a puff of smoke later; another dead PCB. And I can not figure out what is happening or why it's doing this. Old computer - Ran perfectly fine 3930K 2 1TB SSDs - Raid 0 2 1TB Mechanical HDDs - Raid 0 (bottom picture) 1 1.5TB Mechanical HDD - Standalone storage (top picture, top PCB is original, bottom is replacement) 850 watt PSU GTX 970 Changed the 850 PSU to a 750 and the 970 to a GTX 950 and it fried the first boards. Further changed the 750 to a 1000watt PSU and fried the 3rd. For what happens: Plug in hard drives, hit the power button, HDD power connector sparks and system auto shuts down. If anyone has any ideas as to why my system has decided to fry these PCBs on the regular; I'm all ears. Would like to figure this out before I replace the RAID PCBs and risk more drives.
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