RAIN Vs. 3D V-NAND Vs. SLC Vs. MLC Vs. eMLC Vs. TLC SSDs

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prihead

prihead

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Oct 17, 2015
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Hey people, i just need some help in understanding major difference between RAIN, 3D V-NAND, SLC, MLC, eMLC and TLC SSDs.
A recent released "3D V-NAND SSD" technology, i guess is manufactured by SAMSUNG and RAIN SSD by MICRON Technologies. But expect for RAIN SSDs, every other technologies are easily available, i think. What do you guys think about these available SSD technologies in the market? Which SSD technology is suitable for applications pertaining to personal use, gaming, commercial, etc.

I would appreciate the help on this topic. Thanks.

 
Solution
JohnnyLucky
RAIN Technology is not a Micron solid state drive. RAIN Technology is not a type of flash memory. RAIN technology is a flash memory management process. It was originally developed for use in business enterprise level hard disk drives and ssd's.

SLC, MLC, TLC, and 3D V-Nand are variations of flash memory used in consumer and enterprise solid state drives. Samsung, Intel, and Micron are researching and developing other variations.

Just about any modern consumer ssd is suitable for mainstream use and gaming. Enterprise ssd's are designed for business, professional, and scientific use. Enterprise ssd's are very rarely mentioned in this forum. The enterprise ssd's tend to be designed for specific purposes and they can be expensive. There...
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JohnnyLucky

JohnnyLucky

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RAIN Technology is not a Micron solid state drive. RAIN Technology is not a type of flash memory. RAIN technology is a flash memory management process. It was originally developed for use in business enterprise level hard disk drives and ssd's.

SLC, MLC, TLC, and 3D V-Nand are variations of flash memory used in consumer and enterprise solid state drives. Samsung, Intel, and Micron are researching and developing other variations.

Just about any modern consumer ssd is suitable for mainstream use and gaming. Enterprise ssd's are designed for business, professional, and scientific use. Enterprise ssd's are very rarely mentioned in this forum. The enterprise ssd's tend to be designed for specific purposes and they can be expensive. There are some enterprise drives that cost in excess of $10,000.00 USD.



 
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prihead

prihead

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Oct 17, 2015
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Thank you for your reply and sorry for such a late reply. It seems there are some more SSD technologies to come in near future.
So out of SLC, MLC, TLC and the new one "3D V-NAND", which ones are best for consumer and enterprise applications.

I guess SLC SSDs carry more read/ write speed than other technologies but is expensive. Is SLC targeted to enterprise application only?
Also, i have compared the prices over different B2C sites and figured the new entrant "3D V-NAND" cost much lesser isn't it? But somehow speed is somewhat on the low side.
 
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Leaps-from-Shadows

Leaps-from-Shadows

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SLC is Single Level Cell, and is the most expensive, best-performing, and longest-lasting. It stores one bit per cell.
MLC is Multi-Level Cell, and is the middle ground for expense, performance, and longevity. It stores two bits per cell.
TLC is Triple-Level Cell, and is the least expensive, worst performer, and has the shortest life expectancy. It stores three bits per cell.

When talking about longevity in SSDs, even TLC drives will last many years.

When talking about performance in SSDs, SLC is best but considered not worth the extra expense for gamers and other everyday usage.

3D V-NAND is used in several classes of SSDs. It's used in the Samsung 950 Pro, one of the fastest drives you can get for a somewhat reasonable cost. It's also used in some less expensive drives. Those drives might be slower, but the 950 Pro certainly isn't.
 
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prihead

prihead

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Oct 17, 2015
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The way i understand TLC or TLC 3D V-NAND is slower than SLC or MLC versions. I have also learned that, new PCIe/ NVMe as we call it is already in the market with TLC V-NAND technologies.

So my question is, whether TLC or TLC 3D V-NAND based SSDs have been used by enterprise application or is it only for consumer application?
Also, for SLC and MLC based SSDs (whether it is SATA 6Gb/s, SAS 6Gb/s or SAS 12Gb/s interface type) is limited to only enterprise application?

Awaiting responses, thanks a bunch...
 
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Xyriut

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I believe the last statement in this thread is correct. SLC is for the enterprise, and rarely benefits consumer models because they are geared to transfer data (read/write algorithms) in a very specific manner, which doesn't usually match that of the average enthusiast, gamer, or business user. It's more in the controller design, but that's where SLC is usually found, on boards whose controllers are designed for those data usage patterns in the enterprise space (data center and high end workstations).

MLC is still probably the best middle ground, as 3D TLC is still TLC. It may reach the speed of MLC, but regardless of the warrantees out there, probably not the endurance. That said, most consumers won't burn out even their TLC drives these days. My $0.02...
 
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