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[Anand] The Samsung 870 QVO (1TB & 4TB) SSD Review

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post #21 of 40 (permalink) Old 07-01-2020, 10:50 AM
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Quote: Originally Posted by Liranan View Post
How often do you copy so much data that SATA is the limiting factor?

I do a daily backup so not sure I'm the person to prove your point lol. Just pointing out that SATA has been a bottleneck for a long while now. The Samsung PM830 launched in 2011 and could hit >500 sequential.

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post #22 of 40 (permalink) Old 07-01-2020, 11:09 AM
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Hopefully motherboard manufacturers start replacing sata with oculinks.

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post #23 of 40 (permalink) Old 07-01-2020, 06:11 PM
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Quote: Originally Posted by Liranan View Post
I am stating that these QLC drives are pointless as they are overpriced and don't perform well. Their performance is so abysmal that a low capacity HD easily beats them and I wouldn't even use them as a game drive. As for Seagate: there's a reason I don't buy Seagate, trust is one of those reasons.
I agree with your first point. I disagree with your second, as for some games access times rule all and playing off a HDD is basically death to decent framerates. I have similar views on Western Digital regarding trust. I used to swear by them many years ago, now I just avoid them.

Quote: Originally Posted by Sir Beregond View Post
Wow. Yeah I guess these are all new terms for me (TLC, QLC). Will have to read up as I am looking to avoid having any mechanical drives in my next build (end of this year/early next year) and I am already slightly confused about M.2 and NVME and what all that means.

This is what I get for ignoring tech for a few years.
There is a fair degree of potential confusion possible, especially given some of the misinformation that has flown around in the past. Sounds like you'll do your research though!


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post #24 of 40 (permalink) Old 07-02-2020, 04:41 AM
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post #25 of 40 (permalink) Old 07-02-2020, 07:03 PM
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Quote: Originally Posted by Liranan View Post
How often do you copy so much data that SATA is the limiting factor?
How about every time I read any data, especially doing checksums or programs inspecting video files even if it's for simple things they tend to read a good damn bit of them or god forbid exporting a part of a video file then the whole thing has to be read = copied to RAM and processed.
As far as write goes, sometimes depending on how limiting a CPU processing is or a rare copy/move between SSDs.

Try compact.exe for example, it's a read write on a single drive.

There are plenty uses where having over SATA speeds for reads and writes is great. Are they necessarily your uses, maybe not.

Or every time a program needs caching to disk as not everyone has 64+ GB RAM to not use some sort of caching at some point when working with images, videos, ...
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post #26 of 40 (permalink) Old 07-02-2020, 09:36 PM - Thread Starter
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Quote: Originally Posted by JackCY View Post
How about every time I read any data, especially doing checksums or programs inspecting video files even if it's for simple things they tend to read a good damn bit of them or god forbid exporting a part of a video file then the whole thing has to be read = copied to RAM and processed.
As far as write goes, sometimes depending on how limiting a CPU processing is or a rare copy/move between SSDs.

Try compact.exe for example, it's a read write on a single drive.

There are plenty uses where having over SATA speeds for reads and writes is great. Are they necessarily your uses, maybe not.

Or every time a program needs caching to disk as not everyone has 64+ GB RAM to not use some sort of caching at some point when working with images, videos, ...
Editing media and rendering require enormous amounts of RAM and an SSD is not good enough to use as cache.

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post #27 of 40 (permalink) Old 07-03-2020, 02:54 AM
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I have never dabbled in video editing, but it's my understanding NVMe SSDs are the best scratch drives available. An NVMe SSD isn't as fast as RAM, but it's considerably faster than AHCI SSDs and HDDs. If people are using NVMe SSDs as a scratch drive, I would assume an SSD is good enough. Maybe I misunderstand the role of a scratch drive.

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post #28 of 40 (permalink) Old 07-03-2020, 03:38 AM - Thread Starter
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Quote: Originally Posted by chessmyantidrug View Post
I have never dabbled in video editing, but it's my understanding NVMe SSDs are the best scratch drives available. An NVMe SSD isn't as fast as RAM, but it's considerably faster than AHCI SSDs and HDDs. If people are using NVMe SSDs as a scratch drive, I would assume an SSD is good enough. Maybe I misunderstand the role of a scratch drive.
If you're working with 4K and above files and SSD is too slow, you need an nVME or PCIE drive to write to, scratch disks need to be as fast as possible and SATA is then the limiting factor.

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post #29 of 40 (permalink) Old 07-03-2020, 10:28 PM
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Quote: Originally Posted by Liranan View Post
If you're working with 4K and above files and SSD is too slow, you need an nVME or PCIE drive to write to, scratch disks need to be as fast as possible and SATA is then the limiting factor.
Now you're saying SSDs are fast enough? Do you realize NVMe SSDs are still SSDs? There's a reason I differentiate between NVMe and AHCI.

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post #30 of 40 (permalink) Old 07-04-2020, 01:24 AM
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1TB 870 QVO £97.99
1TB MX500 £104.99

Ill just pay the extra few

:<

wake me up when QLC is at least 25% cheaper than TLC drives.

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