mersenneforum.org When will HD and flash drive prices converge?
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 2007-04-27, 23:27 #1 jasong     "Jason Goatcher" Mar 2005 3×7×167 Posts When will HD and flash drive prices converge? I'm attempting to figure out approximately when hard drive and flash drive prices will converge. I'm putting this in the Hardware section because I'm convinced that people will be interested in the answer, even if they're not interested in the mathematics. Here are the facts we're dealing with: flash drive space costs approximately 5 times as much as hard drive space. hard drive space costs approximately half as much every 12 months. flash drive space costs approximately half as much every 9 months. So, assuming these are absolutes, even though we know they're just heuristics, when do they converge?
 2007-04-27, 23:54 #2 cheesehead     "Richard B. Woods" Aug 2002 Wisconsin USA 22×3×641 Posts Solve 5 * 2-M/9 = 2-M/12 where M = number of months from now
2007-04-28, 00:14   #3
TimSorbet
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"Tim Sorbera"
Aug 2006
San Antonio, TX USA

11×389 Posts

Quote:
 Originally Posted by cheesehead Solve 5 * 2-M/9 = 2-M/12 where M = number of months from now
I ran it on my calculator, and, assuming the numbers jasong provided are perfect and constant, it will be ~83.59 months from now. That's ~12 days under 7 years, which means it will be on April 15th, 2014 that their prices converge.

 2007-04-30, 04:12 #4 moo     Jul 2004 Nowhere 80910 Posts wouldn't you need to factor in the fact that new mfg methods and different technologies that would reduce the cost of production of flash drives and replacement of hard drives with something else causing there prices to go up.
2007-04-30, 06:45   #5

"Richard B. Woods"
Aug 2002
Wisconsin USA

22·3·641 Posts

Quote:
 Originally Posted by moo wouldn't you need to factor in the fact that new mfg methods and different technologies that would reduce the cost of production of flash drives and replacement of hard drives with something else causing there prices to go up.
Sure -- just give us the appropriate numbers! :-)

With what jasong gave (which may already include the factors you mention), it's ~7 years. Besides, it's only an estimate either way.

Last fiddled with by cheesehead on 2007-04-30 at 06:47

 2007-12-21, 16:54 #6 ewmayer ∂2ω=0     Sep 2002 Repรบblica de California 5×2,351 Posts Apple to Unveil a FlashBook?
 2007-12-21, 17:43 #7 henryzz Just call me Henry     "David" Sep 2007 Liverpool (GMT/BST) 37×163 Posts elementary algebra
2007-12-21, 20:10   #8
ewmayer
2ω=0

Sep 2002
Repรบblica de California

5·2,351 Posts

Quote:
 Originally Posted by henryzz elementary algebra
"Is that -40 degrees Centigrade, or Fahrenheit?"

2007-12-21, 20:53   #9
xilman
Bamboozled!

"๐บ๐๐ท๐ท๐ญ"
May 2003
Down not across

2D7E16 Posts

Quote:
 Originally Posted by ewmayer "Is that -40 degrees Centigrade, or Fahrenheit?"
Yes.

 2007-12-22, 09:30 #10 michaf     Jan 2005 479 Posts I'd say the answer is 42

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