Amazon.com: GeeekPi Micro Connectors Raspberry Pi 40-pin GPIO 1 to 2 Expansion Board 2 x 20-pin Strip Dual Male Header Double Row Straight GPIO Connector Pin Header Compatible with Raspberry Pi : Electronics
For Raspberry Pi 4b 3b Plus Gpio 40 Pins Breakout Expansion Board Cable Breadboard Adapter T Shape Development Board 40p Cable - Pc Hardware Cables & Adapters - AliExpress
Raspberry Pi 40 Pin Gpio Header | Gpio Female Header Raspberry Pi - 5pcs 2.54 Mm 0.10 - Aliexpress
GPIO Ribbon Cable for Raspberry Pi Model A+/B+/Pi 2/Pi 3 - Corzotech
40 Pin T Type GPIO Adapter Expansion Board For Raspberry Pi 3/2 Model B/B+/A+/Zero | Satistronics
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
Compact GPIO Adapter for Raspberry Pi 3 | Open ImpulseOpen Impulse
GPIO Adapter for Raspberry Pi v3 Model B (T shape) | Open ImpulseOpen Impulse
Raspberry Pi 5V Logic Level Adapter – ICS Controllers