Downgrade GPIO Ribbon Cable for Pi A+/B+/Pi 2/Pi 3 - 40p to 26p : ID 1986 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Cable de descarga JTAG ISP AVR, 2,54 MM, FC-6/10/14/16/20/40P, Pin 6P, 10P, Conector de datos de cinta plana gris, pitch 30CM - AliExpress
Huamade 10pcs Meter Electric Wire 40 Pin 28awg For Idc Fc 2.54mm Connector 40p 1.27mm Spacing Pitch Grey Flat Ribbon Cable Pvc & Copper | Fruugo IN