# \#water-cooled **URL:** https://forum.avidcnc.com/tag/water-cooled/48.md [Latest](https://forum.avidcnc.com/latest.md) · [Categories](https://forum.avidcnc.com/categories.md) · [Tags](https://forum.avidcnc.com/tags.md) --- ## [Spindle Advice (3 Phase ATC upgrade)](https://forum.avidcnc.com/t/spindle-advice-3-phase-atc-upgrade/2146)
**Author:** [@Bernmc](https://forum.avidcnc.com/u/Bernmc)\ **Replies:** 4\ **Last updated:** [June 16, 2023, 12:55am UTC](https://forum.avidcnc.com/t/spindle-advice-3-phase-atc-upgrade/2146 "2023-06-16T00:55:22Z")
I have recently had 3 phase power added to the workshop, so want to take the opportunity to upgrade my Plug&Pray Avid CNC 3HP spindle setup. I’m not sure of the pro’s and cons of some of the spindle options though. (Ple…