---
product_id: 378619979
title: "Teensy 4.1 (Without Pins) Developer Pack"
brand: "pjrc"
price: "27586 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/378619979-teensy-4-1-without-pins-developer-pack
store_origin: IS
region: Iceland
---

# 600 MHz ARM Cortex-M7 CPU 10/100 Mbit Ethernet PHY 8 MB Flash + Dual PSRAM Chips Teensy 4.1 (Without Pins) Developer Pack

**Brand:** pjrc
**Price:** 27586 kr
**Availability:** ✅ In Stock

## Summary

> 🚀 Power your next-gen projects with Teensy 4.1 — where speed meets endless possibilities!

## Quick Answers

- **What is this?** Teensy 4.1 (Without Pins) Developer Pack by pjrc
- **How much does it cost?** 27586 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/378619979-teensy-4-1-without-pins-developer-pack)

## Best For

- pjrc enthusiasts

## Why This Product

- Trusted pjrc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile I/O Arsenal:** 55 total I/O pins including 35 PWM and 18 analog inputs to fuel your creativity.
- • **Blazing Fast Processing:** Harness the power of a 600 MHz ARM Cortex-M7 for lightning-speed development.
- • **Plug & Play Development:** USB Host with power management and micro SD socket for easy prototyping and storage.
- • **Massive Memory Expansion:** Dual PSRAM chips plus 8 MB flash memory for complex, memory-hungry applications.
- • **Seamless Network Integration:** Built-in 10/100 Mbit Ethernet PHY ensures your projects stay connected effortlessly.

## Overview

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.

## Description

Technical Specifications  - 10/100 Mbit DP83825 PHY Ethernet - USB Host (5 Pins w/ Power Management)  - Micro SD Socket SDIO (4 Bit Data)  - 35 PWM Pins - 18 Analog Inputs - 8 Serial Ports - 8 Mbyte Flash Memory - QSPI Memory (2 Chips Plus Program Memory)  - 42 Breadboard Friendly I/O - 7 Bottom SMT Pad Signals - 6 SD Card Signals - 55 Total IO Pins

## Features

- Teensy 4.1 (Without Pins)
- Includes two (2) PSRAM Chips and one (1) Ethernet Kit for Teensy 4.1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **Brand:** PJRC
- **Model Name:** 4.1
- **Memory Storage Capacity:** 8 MB
- **Connectivity Technology:** Ethernet, USB
- **Included Components:** Teensy 4.1 board, two PSRAM chips, one Ethernet kit for Teensy 4.1

## Images

![Teensy 4.1 (Without Pins) Developer Pack - Image 1](https://m.media-amazon.com/images/I/81uCn4qtr5L.jpg)

## Frequently Bought Together

- Teensy 4.1 (Without Pins) Developer Pack
- Treedix Breakout Board Module with Pin Board for Teensy 4.1/3.5/3.6 Compatible with Arduino
- MCIGICM 10pcs Male Header Pin, 40 Pin Header Strip (2.54 mm) for Arduino Connector

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**Shop now:** [https://www.desertcart.is/products/378619979-teensy-4-1-without-pins-developer-pack](https://www.desertcart.is/products/378619979-teensy-4-1-without-pins-developer-pack)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-22*