ARM Cortex-M7 IMXRT1062 processor at 600 MHz, 1024K RAM (512K is tightly coupled) 8192K Flash (64K reserved for recovery & EEPROM emulation) | Micro SD Socket | 35 PWM Pins, 18 Analog Inputs, 8 Serial Ports, SPI, I2C, I2S, CAN Bus, IR modulator I2S (for high quality audio interface) | 2.4 by 0.7 inch form factor, same as Teensy 3.6 | Ethernet support is NOT included in this version