40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi [150mm / 6 long] : ID 4823 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
RPI GPIO40 150: Raspberry Pi - GPIO cable, 40-pin, 15cm, grey at reichelt elektronik
40 Pin GPIO Cable for Raspberry pi
40p Extension Board Kit Adapter 40-pin GPIO Cable for Raspberry Pi 1b /2b/3b LJ for sale online | eBay
Raspberry Pi GPIO Ribbon Cable 40 x 200mm (7.8in)
Amazon.com: kuman RPi GPIO Breakout Expansion Board + Ribbon Cable + Assembled T Type GPIO Adapter 20cm FC40 40pin Flat Ribbon Cable for Raspberry Pi 3 2 Model B & B+ SC05 : Electronics
Preassembled 40-pin Pi Wedge Hookup Guide - SparkFun Learn
40-Pin IDE Extension Cable for Raspberry Pi GPIO
Amazon.com: SamIdea 2-Pack 40pin Male to Female IDC GPIO Rainbow Ribbon Cable Jumper Wire for Raspberry Pi A+/B+/3 B, 20cm/8" : Electronics