Flash drive is a very slow output device. Current commercial USB drive (2GB, 4GB, 8GB or 16GB) performance is range from 10MB/s to 20MB/s. An average 5400rpm HDD is 45MB/s to 60MB/s (depends on density of hardisk plate). An average 7200rpm HDD is 80MB/s to 90MB/s (depens on density/plate also). A high performance 7200rpm HDD will go up to 130MB/s (ex: WD Black edition). A RAID 0 or 10 HDD setup will almost double HDD output speed. A SSD (Intel X-25
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