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‎01-17-2020 01:39 PM

HP Recommended
Product: HP ENVY x360 -15z-ds000 CTO
Operating System: Microsoft Windows 10 (64-bit)

Hello everyone, I bought a new HP Envy x360 15z and upgraded the 256GB NVME SSD to a Samsung Evo 970 512GB. Since I assumed that there is just one port for NVME, I removed the older one and plugged in this. Did a Windows OS recovery through a USB thumb drive.

Unfortunately the data speeds are terrible and show 430MB/s read and 250MB/s write. I searched and found some solutions here which asked that I install Samsung nvme driver, so I also did that. But the speed increased a little more to 650MB/s. 

Is there any setting or clean install instructions to make this work at the designed speed of 3500MB/s?.  I have updated BIOS and Windows 10 to latest versions. There was some instructions on this forum to enable AHCI but I cannot find any such storage setting in the BIOS. I am assuming that this OS is already running on AHCI because it came with an NVME SSD.

I got this in Bestbuy so I know its genuine and brand new SSD. 

Any help is appreciated. 

1 person had the same question
2 REPLIES 2

‎01-20-2020 01:14 PM

HP Recommended

@Chai2016
Thank you for posting on HP Support Community.

 

You can find the updated controller in the device manager. During restart, press the F10 key and boot to BIOS setup utility, change SATA Device Mode to AHCI. After restarting install the Intel Rapid Storage Technology Driver version 10.1. 2.1004 (sp52144) or later by double-clicking it, to complete the procedure.

 

To resolve this issue, the user has to install AHCI drivers. Click here: https://support.hp.com/in-en/document/c00758841 to know more about AHCI driver. 

 

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

ECHO_LAKE
I am an HP Employee

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‎01-20-2020 03:24 PM

HP Recommended

Not trying to be difficult but this is an NVME drive. AHCI is SATA. SATA/AHCI has nothing to do with it. Further, there is no way to change SATA to AHCI. That is nonsense as SATA is AHCI and there is no way to change that in the BIOS. @Chai2016  we are going to have to do a bit of a deeper dive into what is going on here. 

 

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