Hey Garfield,
please have a look at those links below, loopop´s video and the manual can help to make a decision :)

https://www.modulargrid.net/e/five12-vector-sequencer

https://www.modulargrid.net/e/five12-jack-expander

https://loopopmusic.com/five12-vector-eurorack-sequencer-review-and-in-depth-tutorial

http://45.56.118.96/VectorUserGuideV1.4.pdf

Best,
jingo