# It's not just emonCMS on SD cards

**URL:** <https://community.openenergymonitor.org/t/its-not-just-emoncms-on-sd-cards/16025>\
**Category:** Hardware\
**Tags:** emonevse, openevse, emoncms\
**Created:** [18 November 2020 14:00 UTC](https://community.openenergymonitor.org/t/its-not-just-emoncms-on-sd-cards/16025 "2020-11-18T14:00:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Robert.Wall](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/robert.wall/32/38246_2.png) [@Robert.Wall](https://community.openenergymonitor.org/u/Robert.Wall)\
**Post date:** [18 November 2020 14:00 UTC](https://community.openenergymonitor.org/t/its-not-just-emoncms-on-sd-cards/16025/1 "2020-11-18T14:00:22Z")

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> **[159,000 Teslas doomed to fail due to worn out memory chips](https://thenextweb.com/news/159000-teslas-doomed-to-fail-due-to-worn-out-memory-chips)**
>
> Memory chips in Tesla Nvidia Tegra computers could fail as a result of reaching their read-write cycle limit. Replacements needed.

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**Author:** ![scanfer](https://community.openenergymonitor.org/letter_avatar_proxy/v4/letter/s/f04885/32.png) [@scanfer](https://community.openenergymonitor.org/u/scanfer)\
**Post date:** [19 November 2020 11:41 UTC](https://community.openenergymonitor.org/t/its-not-just-emoncms-on-sd-cards/16025/2 "2020-11-19T11:41:25Z")

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Indeed. The chips are soldered-in. Tesla have extended the guarantee on these MCU1 units to 8yrs/100k miles in recognition. It’s also the focus of an NHTSA investigation in the USA.