---
product_id: 379849021
title: "Teensy 4.1 (With Ethernet, Without Pins) Developer Pack"
brand: "pjrc"
price: "527 Lei"
currency: RON
in_stock: true
category: "Pjrc"
url: https://www.desertcart.ro/products/379849021-teensy-4-1-with-ethernet-without-pins-developer-pack
store_origin: RO
region: Romania
---

# 600 MHz ARM Cortex-M7 powerhouse 10/100 Mbit Ethernet for seamless connectivity 8 MB QSPI Flash + dual PSRAM chips Teensy 4.1 (With Ethernet, Without Pins) Developer Pack

**Brand:** pjrc
**Price:** 527 Lei
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Teensy 4.1 (With Ethernet, Without Pins) Developer Pack by pjrc
- **How much does it cost?** 527 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/379849021-teensy-4-1-with-ethernet-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, 18 analog inputs, and 8 serial ports to handle any sensor or actuator with ease.
- • **Blazing Fast Processing:** Harness the raw power of a 600 MHz ARM Cortex-M7 CPU for lightning-quick prototyping and development.
- • **Massive Memory Expansion:** Dual PSRAM chips plus 8 MB QSPI flash provide ample space for complex applications and data buffering.
- • **Seamless Network Integration:** Built-in 10/100 Mbit Ethernet PHY ensures your projects stay connected in real-time with minimal latency.
- • **Compact Yet Breadboard Friendly:** 42 breadboard-compatible pins and multiple SD card signals make integration into your workspace effortless.

## Overview

The Teensy 4.1 Developer Pack (Without Pins) is a high-performance microcontroller board featuring a 600 MHz ARM Cortex-M7 CPU, integrated 10/100 Mbit Ethernet, dual PSRAM chips, and 8 MB QSPI flash memory. Designed for advanced prototyping, it offers 55 versatile I/O pins, multiple serial ports, and SD card support, making it ideal for complex embedded applications requiring speed, connectivity, and memory.

## 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
- Teensy 41 (Without Pins)
- Includes two (2) PSRAM Chips and one (1) Ethernet Kit for Teensy 41

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P4BZPFH |
| Best Sellers Rank | #16,327 in Computers ( See Top 100 in Computers ) #8 in Barebone PCs |
| Item model number | TEENSY41_DP |
| Manufacturer | Teensy |
| Package Dimensions | 18.3 x 11.7 x 1.3 cm; 31 g |

## Product Details

- **Brand:** PJRC
- **CPU model:** ARM Cortex A-9
- **CPU speed:** 600 MHz
- **Memory storage capacity:** 8 MB
- **Model name:** Teensy 4.1

## Images

![Teensy 4.1 (With Ethernet, Without Pins) Developer Pack - Image 1](https://m.media-amazon.com/images/I/81uCn4qtr5L.jpg)
![Teensy 4.1 (With Ethernet, Without Pins) Developer Pack - Image 2](https://m.media-amazon.com/images/I/41MXBdz99fL.jpg)
![Teensy 4.1 (With Ethernet, Without Pins) Developer Pack - Image 3](https://m.media-amazon.com/images/I/41QuEmtFa6L.jpg)
![Teensy 4.1 (With Ethernet, Without Pins) Developer Pack - Image 4](https://m.media-amazon.com/images/I/21dx7RuPw4L.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.ro/products/379849021-teensy-4-1-with-ethernet-without-pins-developer-pack](https://www.desertcart.ro/products/379849021-teensy-4-1-with-ethernet-without-pins-developer-pack)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-27*