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steve1977

NVME - Intel 660P vs Samsung 970 EVO Plus

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I am thinking to buy one of the two NVMEs. 2TB version. Samsung more than twice the price.

 

I will use the NVME as unassigned device with VMs on it (using 100% of the disk space for the VM vdisk). VMs are Windows for gaming.

 

Curious whether I can save some money here or better to spend on the Samsung?

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Intel is QLC, hence the price difference, sustained writes drop to 100MB/s once small SLC cache is full, if it's still a good option depends mostly on the use case.

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Thanks. I'd done some reading on QLC and wasn't clear whether this is an issue for my use case.

 

One issue seems to be that I am planning to use 100% of the NVME capacity (as vdisks will use 100%). I actually need this space. While I didn't fully understand what the issue is, it seems from my reading that QLC does not work well if full capacity used?

 

Dropping to 100MB/s shouldn't be an issue for my use case (largely for gaming), isn't it?

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Main difference is that QLC is much slower for writes than the 3D TLC used on the Samsung, usually also has less endurance.

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Thanks!

 

How does QLC compare to good old SSD disks? Does the writing speed impact gaming? And lastly, running a QLC at 100% capacity (via vdisk) is not a show-stopper, is it?

 

It's $200 vs $500 for 2TB, so worth the consideration.

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Thanks. Did some googling and didn't get comfortable with the cache issue and also concerns on endurance.

 

I went ahead with the middle way (760P). Seems to be running fine so far.

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