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Why is an SSD drive $1.50/gb when a much smaller usb drive can be had for 60 Cents/gb?

by vistaseas
asked 5 months ago

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480Mbps (USB 2.0) vs 6Gbps (SATA) for one. There are some other things an SSD has that you won't find in a USB drive, but I'd just be parroting wikipedia.
http://en.wikipedia.org/wiki/Solid-state_drive

rprebel
5 months ago

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Speed. Think of your USB drive as SmartPost, and your SSD drive as next day AM delivery.

narfcake
5 months ago

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Because your SSD drive won't touch you at night.

thegarageband
5 months ago

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There are similarities between the two. They both use NAND flash memory and both have the ability to re-write data with electrical pulses (EEPROM).

SSDs have better wear leveling and therefore better reliability than their USB counterparts. SSDs also use more data channels than a USB drive so it's performance is at a higher level -- that's mostly due to the interface.

SSD's also use some DRAM for quicker access to the data since EEPROM is a bit slow and this allows for quicker access to data out of sequence.

cengland0
5 months ago

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you're exagerating price a little bit too... larger (16GB & up) usb thumb drives are usually considered to be at a good price when they're around 90cents per GB. And a decent-quality SSD drive can usually be found at around $1.00-$1.25 per GB.

kamikazeken
5 months ago

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