Ask Me Anything - Official Samsung Representatives

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The area where my division focuses on is OEM SSD offerings where our customers take our SSDs and put them into their product offerings which are then sold to end-users. Our division is more focused on enabling our customers to add value on top of our SSD. With that being said, we have not had any announcements around peripherals using SSDs for our division.

Regarding HMC & DDR, my expertise is more focused on SSDs and not on the RAM side.

If you are interested in me forwarding to our retail division, please send me your question to: ssd@ssi.samsung.com and I will forward your question to the retail team.
 


Thanks for answering my question, I would love for you to pass that along to them...I will email you.
 


Samsung was first to successfully deploy 3-bit MLC technology into SSDs. There are three main characteristics that go into determining the "longevity" of a SSD: The type of NAND used, the write workload type and amount, and the capacity of the drive. So, as you see, the type of NAND (e.g., 2-bit MLC, 3-bit MLC) is only one piece of the puzzle when determining what the longevity will be.

3-bit MLC has not always been an option for SSDs but the timing is right to make the switch. Two things have made this possible: the capacity points of SSDs have increased to levels that make the longevity a non-issue and the controller/DSP technlogy that reads/writes to the NAND Flash has improved each year. For example, if you have a given amount of writes you can do to the NAND Flash itself, and you go from 64GB to 128GB, you double the amount of overall writes (GB's) you can do over the life of the drive. When you go from 128GB to 256GB, you double it again. If we were still using 64GB drives today, 3-bit MLC would likely not be an optimal solution for a 40GB/day workload. However, because we have moved to higher capacities, we have doubled and quadrupled the amount of writes possible to the SSD that weren't possible at smaller capacity points.

We have done tests using typical PC workloads (PCMark) to simulate 40GB's of writes per day on a 256GB 3-bit MLC SSD and have shown it to reach the specified limits of the NAND in 13.5 years; This is a long time in the life of technology. Hard drives were roughly 20GB thirteen years ago. Furthermore, some reviewers have shown that the 3-bit SSDs they have tested can handle much more writes than this. If you move to 2-bit MLC, you can bump this up to over 47 years. The question is: do you really need more than 13 years of writing 40GB's per day? If the answer is yes, then perhaps 2-bit MLC is for you. But, in reality, most people do not write 40GB's every day to their drive and do that for 13 years. And, it is likely the user would have already replaced their entire computr within that 13 years.
 


We are happy to hear you are having a good experience with Samsung's technology. Samsung now focuses on SSDs as the long term future of storage.

The fastest Hard drives in the world can give you ~400 IOPS
A consumer-based SSD can provide you up to 90,000 IOPS
Up to 225x faster IOPS than an enerprise-based HDD.

In addition, there are no spinning parts in an SSD so you can sustain more bumps without worrying whether a mechanical part (head) hit the disc that's holding your data. When's the last time you dropped your cell phone thinking that you lost all your photos? Likely you were more concerned about your screen cracking. Now, think about dropping your HDD-based notebook. Chances are you were thinking about whether your data is still there. Switch to SSDs and remove that concern.

Computer seem to get slower after a year of use? Your data gets fragmented on your HDD and most people rarely defragment their drives anymore. Even if you do, it rarely helps much. As your registry gets full, more drivers, more programs need to load, your HDD is getting overloaded with bursts of read and write requests. With typical notebook-based HDDs producing ~100 IOPS, the HDD light on your notebook is likely blinking away when your computer seems unresponsive. This is because your HDD is bottlenecking your computer. If you are experiencing this, switching to a SSD will bring new life to your PC by removing the bottleneck created by your HDD.

Next time your computer is lagging and you notice your HDD-light blinking rapidly or constantly illuminated, think about how a SSD can change your overall experience with your PC. Every person I have bumped into that has an SSD said they would never go back to an HDD.

 


If you send me your question on the Samsung 840 Evo SSD availability in Asia, I will send it to our retail divison to answer: ssd@ssi.samsung.com

We have announced the first PCIe-based PC SSD recently: Samsung XP941. This is a SATAe based SSD. This is already shipping to PC OEMs so that they can ship products based on this technology later this year.

http://www.tomshardware.com/news/Samsung-XP941-SSD-Ultrabook-PCIe,23107.html
 


There are many exciting technologies that have extreme endurance characteristics. It is extremely hard to predict future markets based on these new technologies.

With that being said, endurance isn't or shouldn't be really brought up as a major concern for SSD adoption. It is a characteristic that exists on NAND Flash, but wear-out characteristics exist in almost every product that exists:
- Sole's on shoes
- Buttons on your phone
- Battery on your phone
- Even DRAM has a limit of how many writes you can do (a very big one)

The point is that there is a performance/endurance rating for almost everything. The key is to ensure system designers are designing in the right ratings into their product's (e.g., SSDs) that is solving a given problem.

There are many types of SSDs and many types of NAND Flash (3-bit MLC, 2-bit MLC, 2-bit Enterprise MLC, SLC). Original PC-based SSDs were based off of SLC-based Flash which offers much higher endurance ratings than 3-bit MLC. However, it is rare to find a SSD storage device that is based off of SLC. The reason is quite simple: cost; and SLC provided way more endurance than was needed by the majority of consumers.

If the needs of the customer can be met by a more cost-effective solution then it would make sense to explore those alternatives. What has happened in the PC SSD space is it went from SLC to 2-bit MLC, and now to 3-bit MLC. There are even Enterprise solutions that are based off of 2-bit MLC; Think about that for a second. Enterprise-based solutions that need to endure a massive amount of writes are using the same technology that's used in a majority of PC's. 3-bit MLC is a great fit for PC-based solutions and at the capacity points that consumers have moved to, and are moving to, endurance is less and less of a concern no matter which NAND Flash technology is used.

As you pointed out, endurance is something that is there but the vendors making the SSDs must consider the markets they are targeting and pick the right technology that's best for the consumer.

If you are a power user and are writing extreme amounts of data to your drive (e.g., over 40GB's per day, or overwriting the entire contents of your drive every day) then you would likely need to consider endurance a little more. For the 99% of the market that doesn't do that, endurance should be the last thing on their mind.
 
Hey there all!

As it is now been 24 hours (plus a few!), the "official" AMA is concluded!

Epic thanks to the Samsung representatives who took the time out of their schedules to come and answer all the great questions our community had for them. We know this was a lot of work on their end, and we're greatly appreciative of the time taken to engage with the community here at Tom's Hardware. :)

For answering questions, a big thanks goes out to Ryan Smith of Samsung for being with us during the AMA. Also, last but not least, a mega-thanks to John Lucas at Samsung for helping to put this together on their end!

As a heads-up, stay tuned to news and articles for the announcement of our next AMA, which will be taking place right around the corner.
Thanks again to all for making this a great success!

-JP
 
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