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A look at SanDisk's Extreme II SSD Architecture

A look at SanDisk's Extreme II SSD Architecture
Today SanDisk launches a new flagship SSD for the enthusiast market. We'll have three reviews with performance data, but to start today out, let's take a look at what Extreme II has under the hood.
By: Chris Ramseyer | Editorials in Storage | Posted: Jun 3, 2013 3:00 pm





The SanDisk story is fascinating. One of three company founders, Dr. Eli Harari, is the father of flash. His work at Toshiba with Floating Gate EEPROM was dubbed 'Flash' because it was able to write data in a flash. After leaving Toshiba to start SunDisk with Sanjay Mehrotra (former Intel) and Jack Yuan (former Hughes Electronics), the three set out to develop non-volatile memory for digital cameras. Later renamed to SanDisk, the company is now involved in much more than the flash cards we associate with the SanDisk name.


SSD shipments grew 22% between 4Q 2012 and 1Q 2013 and in that time SanDisk moved into the number two spot by number of units shipped. Positioned just behind Samsung (31.3%), SanDisk's market share was 16.8% - not bad for a company that flew under our radar until the performance class Extreme SSD hit our labs in early 2012.


Today the company releases the follow up to the Extreme SSD, the Extreme II. More of a revolutionary than evolutionary part, Extreme II uses a new controller architecture and the most advanced NAND flash on the market today.


Rather than trying to lump all of this information into the three capacity size reviews of Extreme II today, let's cover the new architecture in this article and then look at the reviews of the three capacity sizes in review form throughout the day. That way we can keep each review to a coffee break size and still compare each capacity size to equal sized products.

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