# STS-PI and PI 3A+

**URL:** <https://forums.pimoroni.com/t/sts-pi-and-pi-3a/14172>\
**Category:** Support\
**Created:** [June 6, 2020, 7:26pm UTC](https://forums.pimoroni.com/t/sts-pi-and-pi-3a/14172 "2020-06-06T19:26:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![drroboto](https://avatars.discourse-cdn.com/v4/letter/d/e9a140/32.png) [@drroboto](https://forums.pimoroni.com/u/drroboto)\
**Post date:** [June 6, 2020, 7:26pm UTC](https://forums.pimoroni.com/t/sts-pi-and-pi-3a/14172/1 "2020-06-06T19:26:16Z")

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Will the supplied cut-outs only work with the 3B format boards or can I use a 3A+ board? I want to minimize power requirements so that powerbank will last longer.  
Thanx

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**Author:** ![Shoe](https://avatars.discourse-cdn.com/v4/letter/s/e36b37/32.png) [@Shoe](https://forums.pimoroni.com/u/Shoe)\
**Post date:** [June 7, 2020, 2:23pm UTC](https://forums.pimoroni.com/t/sts-pi-and-pi-3a/14172/2 "2020-06-07T14:23:32Z")

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The holes for the bolts are in the exact same position on the Pi 2, 3 and 4 boards, so it should fit.

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**Author:** ![drroboto](https://avatars.discourse-cdn.com/v4/letter/d/e9a140/32.png) [@drroboto](https://forums.pimoroni.com/u/drroboto)\
**Post date:** [August 10, 2020, 9:39pm UTC](https://forums.pimoroni.com/t/sts-pi-and-pi-3a/14172/3 "2020-08-10T21:39:15Z")

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It worked perfectly for the 3A+.  
Thanx