




🚀 Power your next-gen projects with Teensy 4.1 — where speed meets endless possibilities!
The Teensy 4.1 Developer Pack (without pins) is a high-performance microcontroller board featuring a 600 MHz ARM Cortex-M7 CPU, 8 MB flash memory, dual PSRAM chips, and integrated 10/100 Mbit Ethernet PHY. With 55 versatile I/O pins, USB host capabilities, and micro SD support, it’s engineered for professional developers and makers demanding speed, connectivity, and memory in a compact 31g package.
| Brand | PJRC |
| Manufacturer | PJRC |
| Model | TEENSY41_DP |
| Model Name | 4.1 |
| Package Dimensions | 18.3 x 11.7 x 1.3 cm; 31 g |
| Item model number | TEENSY41_DP |
| Memory Storage Capacity | 8 MB |
| Ram Memory Technology | PSRAM |
| Hard Drive Interface | USB |
| Operating System | NA Not Applicable (compatible with various OSes) |
| Processor Count | 1 |
| Hardware Interface | USB |
| Compatible Devices | Personal Computers, Laptops, Development Tools |
| Mounting Hardware | Teensy 4.1 board, two PSRAM chips, one Ethernet kit for Teensy 4.1 |
| Display Type | Analog |
| Batteries Included | No |
| Batteries Required | No |
| Total USB ports | 5 |
| Connector Type | Ethernet, USB |
| Manufacturer | PJRC |
| Item Weight | 31 g |