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Sata Power connector warning for Buying an extension cable for NU

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jinihammerer
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2019/01/21 06:32:05 (permalink)
Please correct me if I am wrong, but I wanted to point out that it appears the EVGA NU needs the 3.3v power from the SATA power cables.
 
If you are planning to buy a dressed extension cable, insure that it has 5 wires and not 4. The ones with 4 only have the 12v and 5 volt power and not the 3.3v meaning the card will not power up. I purchased a nice braided cable and I didn't notice till after it would not work that it did not have the 5th wire for the 3.3v and the card would not power up. 
 

 
 
 Edit: corrected voltages.
post edited by jinihammerer - 2019/01/21 06:49:51

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    ErinW
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    Re: Sata Power connector warning for Buying an extension cable for NU 2019/01/21 06:46:19 (permalink)
    Yes, Molex only provides +12V (yellow) and +5 (red), and won't have the needed +3.3V (orange). However, some PSUs may not have 3.3V on the SATA, but this is particular to some server-class ones. Some enterprise-level drives will not spin up if they detect 3.3V from the power connection. 
     
    https://www.tomshardware.com/news/hdd-sata-power-disable-feature,36146.html
     
     
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    EVGA_Lee
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    Re: Sata Power connector warning for Buying an extension cable for NU 2019/01/21 21:37:54 (permalink)
    EVGATech_ErinW
    Yes, Molex only provides +12V (yellow) and +5 (red), and won't have the needed +3.3V (orange). However, some PSUs may not have 3.3V on the SATA, but this is particular to some server-class ones. Some enterprise-level drives will not spin up if they detect 3.3V from the power connection. 
     
    https://www.tomshardware.com/news/hdd-sata-power-disable-feature,36146.html

    Essentially correct.
     
    The NU Audio card does require the 3.3V from the SATA, or it will not function.  From our own testing with a few different molex to SATA adapters, the worst that we've seen is only that the card will fail to turn on if it's missing the 3.3V power from the adapter.  
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    replicnt6
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    Re: Sata Power connector warning for Buying an extension cable for NU 2019/01/24 12:25:27 (permalink)
    Woo hoo! Thanks for this! I used a molex adapter when I first tried the card last night and was sad. Now I just have to venture into the basement to see if I can find a long SATA power cable for my power supply.
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