TLC vs. MLC ssd

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papi1248

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Also someone in another thread told me to stay away from tlc drives like samsung 850 and 840 evo and get mlc drives. So I decided on getting the sandisk extreme pro. is this a good idea? Also is samsung 850 pro a mlc or tlc drive? My budget is around $400 to $450 cuz I want to get another 4tb hard drive, a ssd for os and other application and a good airflow case to replace my small hp case. right now I have sata 2 but I am still not sure if I have sata3 or not because my motherboard specification is confusing to me of what they are saying about what sata I have.
I got my PC from HP.
My PC is called HP ENVY h8-1437c
This is my Computer Specs that I have right now in my PC:
Windows 10 Home (64bit)
GPU(graphic card): MSI Nvidia GTX 970 4G Gaming Edition
CPU: Intel core I5-3470 3.20 GHz 4 Cores
12GB of memory
Power Supply:Crosair cx 600
Resolution:1920x1080
2x 2TB hard drive

This is the link to my motherboard:
http://support.hp.com/us-en/document/c03517380
 
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Sakkura
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Sakkura

Sakkura

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Aug 22, 2011
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The 850 Evo is TLC-based, but it uses 3D NAND which mostly nullifies the downsides of TLC.

The 850 Pro is MLC-based, and also uses 3D NAND.

However, the downsides of TLC have been exaggerated somewhat. They can be perfectly adequate budget drives for consumer usage.

The spec sheet for your motherboard is ambiguous/flawed, because it says all of your SATA ports are SATA II, but two of them running 6 Gb/s. But 6 Gb/s is the SATA III speed.

Since it uses a chipset that can offer two SATA III ports, I strongly suspect they are in fact SATA III ports, and it's just a mistake on the spec sheet.
 
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captaincharisma

captaincharisma

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thats the problem with brand name computers. they always mess up some specs or they try to keep the parts so cheap that they may have cut costs on the MOBO by ordering it only with SATA 2 ports on it.

its a HP computer so it wouldn't surprise me

 
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papi1248

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thanks for your reply, so before I decided to get a sandisk extreme pro 480gb, but now I am not sure anymore. in microcenter the samsung 850 pro 512 gb is $200 while the sandisk extreme pro is $190. Which one should I get? Also doesn't tlc degrades over time even if its the 850 evo? I over 300 games in total in steam,origin, gog, uplay combined and I need more storage since my total of 4tb is almost full and there are games I want to install so I decided on getting another 4tb hard drive and ssd and try to clean install os and put a couple of games like skyrim, fallout 4 since I mod them and just cause 3 for better loading times. Should I get the higher specs one like samsung or sandisk or should I get lesser priced ones like kingston or something. In real world am I going to notice much difference between samsung or sandisk vs kingston which in paper is slower. Also if I were to get the samsung 850 pro, I heard there is this firmware update that kills the drive, is it safe snow, did they fix it yet?
 
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captaincharisma

captaincharisma

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sandisk and samsung are both good brands and recommended on this site but the majority here along with myself go with samsungs 850 evo drives

 
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Bob57

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All NAND degrades over time. You can write to a drive, remove the drive from the system and store it in a closet, come back "some time" later and see errors - just by sitting unused in the closet. That is the nature of the beast. What SSD manufacturers do is implement various algorithms that go through various phases or levels of correction, with the simplest being ECC up to the most drastic as to mark the block as bad and use a new block out of the over-provisioning pool. Eventually you run out of blocks in the pool and you begin to see unrecoverable errors. This is what marks the lifetime of the drive.

Both Samsung and Sandisk have good drives that "should" operate for probably more years than you will want to use the drive for because of newer/faster/larger/better technologies.
 
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Sakkura

Sakkura

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The Samsung 850 Pro and Sandisk Extreme Pro perform very similarly, perhaps with the 850 Pro very slightly ahead overall. The 850 Pro also has more write endurance because of the 3D NAND.

But whether those things are going to make any difference to you is questionable.

As for TLC degrading, well all NAND degrades as you write to it. It's just that even cheap TLC drives can take a lot of writes before the negative effects show up; and they're so much cheaper that it's usually well worth the sacrifice.

For a ~500 GB SSD, I would suggest either the cheap TLC-based Adata SP550 and OCZ Trion 150, or the old but solid MLC-based Sandisk Ultra II. Then you're talking $110-120 instead of $190-200. And while the Ultra II is a little slower than the Extreme Pro, you'd be hard pressed to notice the difference in normal usage.
 
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