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Are people really certain that the U.2 connector won't take off? I know they're rare at the moment but so is NVMe itself. The same PCIe lane limitations apply equally to both, but the "being able to space stuff out" factor seems like a bonus. Also, is it still the case that there are no ways to have SSD TRIM work with RAID1 arrays? I seem to recall that only linux mdadm could do it if you hacked away at it right - obviously not an option on Windows. Seems odd that you have to choose speed or redundancy.
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Sep 1, 2016 08:08
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It also doesn't help that the wikipedia page for U.2 redirects to the SATA Express page, which gives the speeds for the 2x PCIe lane configurations only - not those possible when using the U.2 connector, which are identical to the M.2 connector.
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Oct 15, 2016 06:04
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Star War Sex Parrot posted:Yes. M.2 supports 3 different protocols: Legacy SATA, AHCI over PCIe, and NVMe over PCIe. I think one of the three supported protocols is USB3, and you can lump SATA and AHCI together, but that doesn't really change the answer.
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May 20, 2017 11:36
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wargames posted:https://www.asus.com/Motherboard-Accessory/HYPER-M-2-X16-CARD/ Isn't this the one that has limited usage, since it lacks its own PLX chip to split the lanes? Might be a Skylake-X only thing. The talk of unused CPU lanes would support this. There do exist other such devices with their own PLX, and seem to work generally.
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Oct 28, 2017 02:27
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