Best use of a U.2 connector on my motherboard?

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  1. Ghot's Avatar
    Posts : 10,724
    Win 10 Home 10.0.19043.1055 (x64) [21H1]
    Thread Starter
       #11

    bobkn said:
    Out of my knowledge zone. SAS to SATA adapters seem to exist. Adding one to a U.2 to SAS adapter cable seems a little awkward.

    It might work, though. I've used some higher end motherboards in the past. At least one had SAS data connectors that looked like regular SATA ones and could be used that way. (I don't recall using them. I've never run a large number of SATA drives. My backup drives have been externals, even though they tend to be slower.)



    Well... I've decided that I'm not going to worry about the U.2 port.
    Instead, I'm going to get a Samsung 980 Pro (M.2 SSD) as that will also free up a SATA port, as I can move my OS from the Samsung 860 EVO (2.5" SSD) to the Samsung 980 Pro.

    Ofc, I checked with the ASUS website Device QVL for my motherboard, and the newest Samsung M.2 SSD they list as compatible is the 970 Pro. And their Device QVL is from 2021.
    They said, well they don't know, but call them and tell them if it works. LOL

    So then I called Samsung and asked them. They seemed much more on the ball. They didn't know either, but they went through the motherboard manual, and the motherboard info on ASUS's site, and said... it will most probably work.

    I miss the days, when you could call tech support numbers, and they KNEW the answers. ^^
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  2. stormy13's Avatar
    Posts : 336
    Windows 10 Pro
       #12

    You do realize that the QVL list is only whatever they happen to have on the shelf at time of testing right?
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  3. Ghot's Avatar
    Posts : 10,724
    Win 10 Home 10.0.19043.1055 (x64) [21H1]
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       #13

    stormy13 said:
    You do realize that the QVL list is only whatever they happen to have on the shelf at time of testing right?


    You mean they don't just use really long wires ?!?


    You do realize that all these companies live right down the street from each other, and that it's to their advantage to get their new products tested on as many motherboards as they can... right?
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  4. bobkn's Avatar
    Posts : 3,735
    Win 10 X64 Pro 21H1 19043.1052
       #14

    Ghot said:
    You mean they don't just use really long wires ?!?


    You do realize that all these companies live right down the street from each other, and that it's to their advantage to get their new products tested on as many motherboards as they can... right?
    Really? I think of Asus as Taiwanese. Samsung is definitely Korean. Am I being too literal?

    Non-rhetorical question: has anyone had an NVME M.2 drive fail to work in a motherboard with an NVME M.2 slot?

    It never occurred to me to check the QVL for an M.2 drive. So far, no issues. (I've used a total of 3 NVME M.2 drives, I admit.)
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  5. Ghot's Avatar
    Posts : 10,724
    Win 10 Home 10.0.19043.1055 (x64) [21H1]
    Thread Starter
       #15

    bobkn said:
    Really? I think of Asus as Taiwanese. Samsung is definitely Korean. Am I being too literal?

    Non-rhetorical question: has anyone had an NVME M.2 drive fail to work in a motherboard with an NVME M.2 slot?

    It never occurred to me to check the QVL for an M.2 drive. So far, no issues. (I've used a total of 3 NVME M.2 drives, I admit.)


    Too literal.

    Most NVMe M.2 drives are PCIe 3.0. The 980 Pro is PCIe 4.0... which allows speeds approx. twice as fast.

    It's like the RTX vid cards. The X570 chipset is PCIe 4.0 capable. So, last year I rushed out and bought an RTX 2070, only to find that the card itself is only PCIe 3.0 capable. The Nvidia 3000 series cards are PCIe 4.0 capable.


    Best use of a U.2 connector on my motherboard?-image1.png
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  6. bobkn's Avatar
    Posts : 3,735
    Win 10 X64 Pro 21H1 19043.1052
       #16

    Ghot said:
    Too literal.

    Most NVMe M.2 drives are PCIe 3.0. The 980 Pro is PCIe 4.0... which allows speeds approx. twice as fast.

    It's like the RTX vid cards. The X570 chipset is PCIe 4.0 capable. So, last year I rushed out and bought an RTX 2070, only to find that the card itself is only PCIe 3.0 capable. The Nvidia 3000 series cards are PCIe 4.0 capable.


    (snip)
    Do PCI-E 4.0 graphics cards offer a practical advantage? I suppose if you were short on PCI-E lanes, you could run one at X8 on a 4.0 motherboard, for about the same net bandwidth as 3.0 X16.

    The 4.0 M.2 NVME SSDs show higher speeds than 3.0, in benchmarking software. Probably little real-world advantage.

    If you check my primary ssystem specs, you'll see that this ain't sour grapes.
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  7. Ghot's Avatar
    Posts : 10,724
    Win 10 Home 10.0.19043.1055 (x64) [21H1]
    Thread Starter
       #17

    bobkn said:
    Do PCI-E 4.0 graphics cards offer a practical advantage? I suppose if you were short on PCI-E lanes, you could run one at X8 on a 4.0 motherboard, for about the same net bandwidth as 3.0 X16.

    The 4.0 M.2 NVME SSDs show higher speeds than 3.0, in benchmarking software. Probably little real-world advantage.

    If you check my primary ssystem specs, you'll see that this ain't sour grapes.


    Never thought it was.

    As for the PCIe 3.0 and PCIe 4.0, most of it is news to me. That's why I called ASUS and Samsung today.
    ASUS was hilarious... if it works, call us an let us know.

    Long story short... I'm gonna get an M.2 SSD, which will free up a SATA port which I can then use for a 2TB HDD, which, will solve my storage problems.

    Then again... I may get the M.2 SSD for Windows, and then just move the "Programs" and "OS Bckups" from the 4TB to the 2.5" SSD.
    That will allow me to add 150GB each to the F: and G: partitions.

    Best use of a U.2 connector on my motherboard?-image1.png



    Either way, I'm gonna need an M.2 SSD
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