# Size of memory systems

**URL:** <https://discourse.numenta.org/t/size-of-memory-systems/1992>\
**Category:** Numenta Theory\
**Created:** [March 11, 2017, 3:49am UTC](https://discourse.numenta.org/t/size-of-memory-systems/1992 "2017-03-11T03:49:10Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sparse](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.numenta.org/sparse/32/4984_2.png) [@Sparse](https://discourse.numenta.org/u/Sparse)\
**Post date:** [March 11, 2017, 3:49am UTC](https://discourse.numenta.org/t/size-of-memory-systems/1992/1 "2017-03-11T03:49:10Z")

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Does the math of SDRs impose any limitations on how big these memory systems can get?