V5-591G nvme support (Samsung 950 pro)
While I found many posts for other products for this brand I can't seem to find any reliable information regarding nvme ssd support for V5-591G. Currently I'm using a Samsung 850 PRO 512GB with my operating systems and my data on it and I've been using 500GB external USB 3.0 HDDs for persistent storage. Since my USB 3.0 data transfer rates are extremely low - as it seems of a windows driver issue - I'm looking for alternatives. Lately I've been thinking of getting an NVME drive and have both my win 10 and fedora installed on it while leaving my storage for my 2.5" ssd and the external drives only as backups, copied onto them regularly.
So, can I safely buy a 950 PRO nvme SSD from samsung and boot from it in UEFI mode without major issues? I found a similar question but that was for VN7 and a bit older (1.5Gbps capped).
Thanks for your helps!
Cheers and happy weeked for you! 
Answers
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http://www.pcworld.com/article/2899351/everything-you-need-to-know-about-nvme.html
Here's a thread on nvme support on VN7-592G-71ZL in Nov.
No new bios for V5-591G since Oct.
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Thank for the info but that's nothing new. This model had a bios update last month but nothing with m.2. The VN7 model has a topic on nvme as I mentioned on my post but I'm specifically looking for info on V5-591G. This model has a compatible m.2 connector slot but yeah, who knows if it fully supports nvme drives, that's the question here. Sadly my local acer service has no information on the topic... it appears they're trully prepared answering outside the obvious questions.
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Any new info about Nvme support?0
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Well just try it. If it's not compatible you can send it back.
There's a good chance it may work because the m.2 slot is M-keyed like the 592G:
591G: http://www.ultrabookreview.com/wp-content/uploads/2015/11/hardware-ssd-wifi.jpg
592G: http://i1.wp.com/laptopmedia.com/wp-content/uploads/2015/03/IMG_20150321_160404.jpg
The only question is if the BIOS is able to identify and boot from the nvme device. Remember to follow the installation hints when installing Windows 10 (Samsung NVME drivers if Windows fails to find the drive at first).
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blackhat wrote:Well just try it. If it's not compatible you can send it back.
There's a good chance it may work because the m.2 slot is M-keyed like the 592G:
591G: http://www.ultrabookreview.com/wp-content/uploads/2015/11/hardware-ssd-wifi.jpg
592G: http://i1.wp.com/laptopmedia.com/wp-content/uploads/2015/03/IMG_20150321_160404.jpg
The only question is if the BIOS is able to identify and boot from the nvme device. Remember to follow the installation hints when installing Windows 10 (Samsung NVME drivers if Windows fails to find the drive at first).
Like not everybody has a home shop to just swap in and out components, and if you order it from the internet and arrives after a few days then it's not working is just a pain to send it back and so on. It's not the best suggestion which you can give. BTW is also a pain to open up the notebook in the first place.
There are posts on the forum by people who tried them on other nitro series (older models, not 592G or 792G which have NVMe support) and they prooved that it's not working (not particulary the V5-591G).
I can tell you it will not work. The model is older, before the NVMe protocol was implemented on acer notebooks, and thus you will not have support for it. There is no special hardware requirements for the NVMe protocol, but you need a BIOS support for the protocol. And 591G (even if is V5 or VN7) don't have support for it. You can "inject" into your BIOS this support but at your own risk. I don't think acer will make an update on these notebooks to provide the NVMe support.
But if you screw up something you will not be covered by any warranty, and you can make literally your notebook a brick
The keying doesn't tell you anything useful regarding the NVMe support. Before NVMe, there was B, M and B+M keying of the port.
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Looking for 591G Nvme support info, so I came aross this post. From the photo provided, it is a lite-on CV1-8B128 SSD http://www.liteonssd.com/client-sata-ssd/m2-sata/item/m2-sata/CV1-M2-SERIES.html
it is m.2 sata SSD NOT NVMe support! The lite-on PCIe m.2 SSD model number is CX or CA seriers.
Also if you use the key as identifier- "m" +"b" key SSD drive most likely not support NVMe. I have seen NVMe SSD with "m" key only . The problems is it will FIT on your m.2 connector on board. Then you will end up with sleepless nights and pulling hairs to firgure why this brand new SSD not working on your 1-year-old notebook. IT IS NOT COMPITBILE WITH NVMe m.2 such as Intel 600P or samsung NVMe SSD!
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