Why buy from(work with) us?
1, New & original from Bitmain, each control board has its own official S/N number.
2, Independent Anti-ESD package, prevent damage in transit, easy keep and use.
3, Large stock for immediately shipping and regular supply
How to distinguish the S19 and S17+ control boards from the appearance?
- Different models:
S19 S19 Pro T19 S19j S19j Pro: Ctrl_C87
S17e T17e S17+ T17+: Ctrl_C84
- Different number of capacitors: There is a capacitor on S17e/T17e/S17+/T17+ control board(see location on picture) but S19 series control board no.