Just a really fast drive Jakub Topič, I3.B

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Presentation transcript:

Just a really fast drive Jakub Topič, I3.B Solid State Drive Just a really fast drive Jakub Topič, I3.B

What is a SSD? SSD = Solid State Drive Data storage device Solid state memory to store persistent data NAND-based flash memory or DRAM Same interfaces developed for HDDs

Advantages High performance Faster seek time No moving parts Low power High reliability Silent operation Low power

Disadvantages More expensive than traditional HDDs Less storage space Short lifetime

Comparison Solid State Drive Hard Disk Drive Access time <0.1ms About 10ms Read/Write speed Up to 600MB/s 50MB/s – 100MB/s High reliability, no moving parts to fail mechanically Low reliability, moving parts (subject to sudden failure) Weight Small and light Large and heavy Maximum capacity 2TB 4TB Power consuption <2W 12W Cost per GB $0.45/GB $0.05/GB

Why A SSD? Three things that dictate the speed of your PC/Server: CPU, DRAM, and HDD

Applications Servers Desktop computers Laptops, ultrabooks Mobile devices (smartphones and tablets) Similar technology

Conclusion SSDs are more superior than HDDs Due to the cost and the capacity limit, others may choose HDD over SSD SSDs will replace HDDs