Just How Small is 25nm?
Technology moves fast. It was only 14 months ago that we went into production with our world-leading 34nm process NAND, and we’ve already moved on to 25nm NAND. In this brief whiteboard video, I explain just how small 25nm is (3,000 times smaller than the diameter of a human hair) and why our ongoing quest to shrink process technology is vital to the future of storage.
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4 Comments
Kevin Kilbuck on February 2nd, 2010
Thanks for the post, SF.
The current endurance capability of our 25nm MLC products is sufficient for a wide variety of applications, including SD cards, USB thumb drives, and portable media players. As new NAND process technologies ramp into mass production and mature, endurance naturally increases over time. We expect 25nm MLC products to be used in client SSD’s as the production volume increases and the process matures.
In addition, we will introduce 25nm SLC and E-NAND products that have higher endurance levels than standard MLC. At this time, we don’t know where our endurance levels will be specified, but rest assured they will be significantly higher than standard MLC, enabling these products to be utilized in enterprise applications.
Also, keep in mind our 8GB product enables a doubling of capacity within a given form factor. By doubling capacity in the same application (same usage conditions), endurance requirements are cut in half.
If anyone wants to a little more detail on how reliability and performance increase as NAND matures, see my posts on Enterprise NAND and 3-bit-per-cell NAND
aidle on February 3rd, 2010
Greetings,
Congratulations to the launch of your new 25nm NAND. With this technology, even the CD technology will be replace with SSD in near future. By the way how much power saving we will expect from 34nm to 25nm technology?
Best regards,
aidle
Kevin Kilbuck on February 4th, 2010
Aidle,
One of the key benefits of moving to 25nm is the ability to reduce the number of devices used in the system by a factor of two. For example, to build a product with 256GB of storage would require 64 34nm devices (32Gb), but only 32 25nm devices (64Gb). This roughly cuts the NAND power consumption in half.
sf on February 1st, 2010
Hi Kevin,
Congratulations to the launch of your new 25nm NAND process technology. Since SSDs are one of the target applications for these new class of NAND parts what endurance can we expect out of 25nm products? Will you be able to reach the same levels of endurance as your 34nm Enterprise NAND? What should we expect of non Enterprise parts that would go into Consumer SSD applications (e.g. RealSSD drives).
Best Regards,
Sf