10pcs 40 Pin Dupont Wire Cable Connector 20cm Female To Female Dupont Line Jumper Wire Compatible For Breadbroad - Wiring Harness - AliExpress
Amazon.com: Chanzon 40pcs 20cm Long Male to Male Header Jumper Wire Dupont Cable Line Connector 40 pin Ribbon Solderless Multicolored for Arduino Raspberry pi Electronic Breadboard Protoboard PCB Board : Electronics
Delock Products 83450 Delock Cable ASUS Eee Pad 40 pin male > USB-A female OTG 12 cm
Screen Cable | Plug Connectors - 1pc New 40 Pin 1 6 Cable Plug Adapter Female Male - Aliexpress
40-pin GPIO Extension Board for Raspberry Pi 2/B+ - RobotShop