Can Intel onboard SATA reduce speed?

Discussion in 'Processors and Motherboards' started by Hexenhammer, Dec 14, 2019.

  1. Hexenhammer

    Hexenhammer New Member

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    Hi,
    On my current PC z370 Gigabyte AORUS Gamer 7 motherboard [its the previous dumb name for the Master series], I have 6 SATA, 4 have HDDs, one has Boot SSD and 6th is set to esata mode and pluged into simple box with SATA port to plug external HDDs and SSDs.
    I pluged EVO60 4TB into it and benchmarked an d it always does maximum 280Mb read, the SSD is fine i tested with USB 3.0 to SATA adapter and it run at 450MB, so im sure if ill plug it into normal SATA port it will run full speed.
    What can be the reason for such slow speed? Is it because every SATA port is populated?
    Or because the box is SATA 2 [but the box is dumb devise that only forwards the sata signal from the cable to the connector]

    Any ideas?
     
    #1
  2. Marsh

    Marsh Moderator

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    Download freeware CrystalDiskInfo
    Is it connected as SATA 2 vs SATA 3 speed
     
    #2
  3. Hexenhammer

    Hexenhammer New Member

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    Thanks for the obvious Tip, im stupid LOL
    I have Hard Disk Sentinel program, it shows SATA Gen3, AHCI Intel BUT other line reads: Negotiated Transfer Speed SATA II 3 Gbps
    Any idea whats the reason for this?

    EDIT: Tested 3 other SSDs, all the same, SATA II negotiated speed.
     
    #3
    Last edited: Dec 14, 2019
  4. Marsh

    Marsh Moderator

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    Check sata cables?
    Move SSD to another sata port?
     
    #4
  5. Hexenhammer

    Hexenhammer New Member

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    Dont have, all taken.
    This is 5.25 SATA box, can it be that the box is SATA 2? But its just pass-trough connector
     
    #5
  6. Marsh

    Marsh Moderator

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    Do you have a link or picture of "this 5.25 sata box" ?
    My best guess the "sata box" is the problem.
    Could you ran a cable direct between host port and SSD sata port?
     
    #6
  7. Hexenhammer

    Hexenhammer New Member

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    I got it in 2017 unbranded from ebay, cant point to same seller but here it is sold by otehrs
    Internal Single Bay Tray-Less Mobile Rack Enclosure for 2.5" 3.5" SATA HDD SSD | eBay

    Internal Single Bay Mobile Rack Enclosure With LED Indicator Light Support B6z9 for sale online | eBay

    Its just a simple passtrough
     
    #7
  8. TXAG26

    TXAG26 Active Member

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    Just a guess, but maybe the lengths of all the cables and adapters the signal is going through makes it drop to SATA 2 speeds?
     
    #8
  9. vanfawx

    vanfawx Active Member

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    What happens if you set the port as normal sata instead of esata?
     
    #9
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