Is this a good deal on a stepper driver for budget systems?.
These take up to 110vdc power supply.

I've found that nema 34 motors upto 1080oz/in are great with a 80vdc supply.
Nema 23/24 motors give a lot more velocity at higher voltages too. even with an inductance level up to 3.5mh.

https://www.aliexpress.com/item/33012198502.html?ug_edm_item_id=33012198502&edm_cl ick_module=item_detail&tracelog=rowan&rowan_id1=ae ug_edm_24687_1_en_US_2021-11-24&rowan_msg_id=2238biz_search_product:0:0_5439422 $4e7603f2eb04471c96e1332d2c8e2d1a&ck=in_edm_other

https://www.aliexpress.com/item/4000...58810697%22%7D