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Z97 Extreme 6 and Slow Ultra M.2 Speeds |
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awilson 
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Joined: 29 Apr 2020 Status: Offline Points: 5 |
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 Topic: Z97 Extreme 6 and Slow Ultra M.2 SpeedsPosted: 06 May 2020 at 5:03pm |
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Gave up waiting for a response and have sent to the official support - kinda sucks as are ASRock not monitoring the support queries here?
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awilson
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Posted: 01 May 2020 at 6:50pm |
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Tried another EVO 970 Plus with the same results - Does this need any additonal drivers to run at full speed like Intel RST or other bios settings?
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awilson
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Posted: 30 Apr 2020 at 12:05am |
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I have a Z97 Extreme 6 running Bios 2.80 and when I speed test the Samsung 970 Evo Plus in the Ultra M.2. using CrystalDiskMark I get slow Read speed roughly around 2400 MB/s. If I put the same NVME into an adapter and run the test again using PCEe Slot 2 I get 3200 MB/s - the Write speed always retrurns roughly 2900 MB/s in both cases.
I have tried the following but am out of ideas: * Tried loading UEFI defaults * Reinstall of Windows 10 1909 * CrytstalDiskInfo reports PCIe 3.0 x4 for both supported and operating speeds * Installed Samsung NVME drivers 3.3 * Ran the same benchmarks with ATTO HD benchmark * Checked through the bios to see if anything is wrongly configured Anything I have missed? TIA |
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