Photo Name Channels References Differential Stim Lines Grounds Mass EIB Pins Connection Microdrive
EIB-27-18TT 72 3 0 4 3.9 gramsLarge Mill-Max 36 Socket X 3 user-designed implants
EIB-27-12TT 48 4 4 2 2.6 gramsLarge Mill-Max 36 Socket (female) X 2 Harlan 12
EIB-27 24 3 2 1 1.7 gramsLarge Mill-Max 36 Socket user-designed implants