| Teensy 3.x Audio Adaptor Boards (Rev C) | canadarobotix.com | 14.99 CAD | 19.99 CAD | −25% |
| Teensy 4.1 USB Development Board Without Ethernet | 3dmakerworld.com | 24 USD | 30 USD | −20% |
| Teensy 4.1 Lockable USB Development Board Without Ethernet | 3dmakerworld.com | 29 USD | 31 USD | −6.5% |
| Teensy 4.1 Development Board | devboardsmarket.com | 3000 EGP | — | — |
| Teensy 4.0 Development Board | devboardsmarket.com | 2300 EGP | — | — |
| PJRC Teensy LC - 32-bit ARM Cortex-M0+ Dev Board | circuit.rocks | 905 PHP | — | — |
| PJRC Teensy 4.1 ARM Cortex-M7 Microcontroller + Ethernet Kit | envistiamall.com | 57.0 USD | — | — |
| PJRC Teensy 4.1 ARM Cortex-M7 Microcontroller + 2X 8 MByte PSRAM SOIC ICs | envistiamall.com | 54.0 USD | — | — |
| Teensy 3.2 Development Board | kandaelectronics.com.au | 50.89 AUD | — | — |
| Teensy 3.6 Development Board | kandaelectronics.com.au | 49.4 AUD | — | — |
| PJRC Teensy 4.1 ARM Cortex-M7 Microcontroller Development Board - w/ & w/o Pins & Lockable | envistiamall.com | 45.0 USD | — | — |
| Teensy LC (Low Cost) Development Board | kandaelectronics.com.au | 44.97 AUD | — | — |
| Teensy 4.1 Development Board | kandaelectronics.com.au | 42.95 AUD | — | — |
| Audio Adapter Shield Rev D for Teensy 4.0 and Teensy 4.1 Microcontrollers w/ Male & Female Headers | envistiamall.com | 41.0 USD | — | — |
| Teensy OctoWS2811 LED Adapter – High-Speed RGB LED Control | envistiamall.com | 38.0 USD | — | — |
| PJRC Teensy 4.0 USB Development Board | makersupplies.sg | 37.9 SGD | — | — |
| Teensy 4.1 USB Development Board + Ethernet Kit | 3dmakerworld.com | 35 USD | 35 USD | — |
| Teensy 4.0 Development Board | kandaelectronics.com.au | 34.95 AUD | — | — |
| Teensy 4.0 ARM Cortex-M7 Microcontroller Development Board (Standard & Lockable Versions) | envistiamall.com | 34.0 USD | — | — |
| Teensy 4.0 Lockable Development Board (without pins) | 3dmakerworld.com | 33 USD | 26 USD | — |
| Teensy 4.1 Lockable USB Development Board without pins | 3dmakerworld.com | 32 USD | 32 USD | — |
| Teensy 3.1 | canadarobotix.com | 30.39 CAD | — | — |
| OctoWS2811 Adaptor for Teensy 3.2-4.1 | kandaelectronics.com.au | 29.99 AUD | — | — |
| Audio Adaptor Boards for Teensy 4.x | kandaelectronics.com.au | 17.36 AUD | — | — |
| Ethernet Kit for Teensy 4.1 | kandaelectronics.com.au | 15.1 AUD | — | — |
| Ethernet Kit for PJRC Teensy 4.1 Microcontroller Board | envistiamall.com | 15.0 USD | — | — |
| Audio Adapter Shield Rev D for Teensy 4.0 and Teensy 4.1 Microcontroller | envistiamall.com | 14.0 USD | — | — |
| PT8211 Audio Kit for Teensy 3.x and Teensy 4.x | kandaelectronics.com.au | 10.33 AUD | — | — |
| Ethernet Kit for Teensy 4.1 | 3dmakerworld.com | 10 USD | 10 USD | — |
| 2 Pieces 8 MByte SOIC PSRAM for PJRC Teensy 4.1 Microcontrollers | envistiamall.com | 8.0 USD | — | — |
| Ethernet Kit for Teensy 4.1 | canadarobotix.com | 5.49 CAD | — | — |
| USB Host Cable For Teensy 3.6 or Teensy 4.1 | kandaelectronics.com.au | 4.95 AUD | — | — |
| 8 Megabyte PSRAM chip for Teensy 4.1 | kandaelectronics.com.au | 4.24 AUD | — | — |