A Shift in Data Storage Todd Dinkelman Micron Technology, Inc.

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Time to Failure SSD Capacity Effect on Endurance Years for SSD to Wear Out 32 64 128 256 512 Drive Capacity (GB) � SSD life will double with every doubl<strong>in</strong>g of capacity Santa Clara, CA USA August 2008 24
Summary � SSDs br<strong>in</strong>g many advantages to storage • Performance • Power • Reliability • Environmental ruggedness � Different products for different markets • MLC-based SSDs for PCs � Reliability has two aspects • Endurance and MTBF Santa Clara, CA USA August 2008 25
Page 1 and 2: SSDs A Shift in Data Storage Todd D
Page 3 and 4: What is Being Called an SSD? � US
Page 5 and 6: SATA interface connector The Simpli
Page 7 and 8: SSDs in Computing Relative Latency
Page 9 and 10: MLC and SLC Differences � SLC •
Page 11 and 12: $/GB SSD Average Price/GB 1.8" HDD
Page 13 and 14: NAND Error Rate � Bit Error Rate
Page 15 and 16: Endurance Factors � Wear-leveling
Page 17 and 18: Wear-Leveling Example � MLC devic
Page 19 and 20: Write Amplification � Additional
Page 21 and 22: SSD Endurance Calculation � Write
Page 23: Times per Day (Count) 60 50 40 30 2

A Shift in Data Storage Todd Dinkelman Micron Technology, Inc.

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