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Teensy 4.1 (with Pins)
Teensy

Teensy 4.1 (with Pins)

Bottom line: The Teensy 4.1 (with Pins) ($39.98 on Amazon as of 2026-10-30 22:16 UTC): 600 MHz ARM Cortex-M7 outclasses typical 8-bit and 240 MHz microcontroller boards; main trade-off: ethernet PHY needs an external magjack breakout; no RJ45 on the board.

$39.98 on Amazon, checked (price may vary)

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Buy on Amazon — $39.98 Compare to similar single board computers

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-30. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 600 MHz ARM Cortex-M7 outclasses typical 8-bit and 240 MHz microcontroller boards
  • ✓ Header pins arrive pre-soldered, so no iron needed before first upload
  • ✓ 4x the flash of the Teensy 4.0 for larger sketches and audio samples
  • ✓ Built-in Ethernet PHY enables wired networking without a shield
  • ✓ Onboard SD card socket plus USB host port for storage and peripherals

Cons

  • ✗ Ethernet PHY needs an external magjack breakout; no RJ45 on the board
  • ✗ No onboard Wi-Fi or Bluetooth radio, unlike most ESP32 class boards
  • ✗ Pre-soldered pins block flush surface mounting and low-profile enclosures

Manufacturer description

Pre-Soldered Header Pins ARM Cortex-M7 at 600 MHz 4X Larger Flash Memory

SpecPicks Verdict

SpecPicks scored Teensy 4.1 (with Pins) using a rating × review-volume × price-fit model applied to published specs and reviews across the single board computers category. Teensy's single board computers lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for single board computers of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Pre-Soldered Header Pins
  • ARM Cortex-M7 at 600 MHz
  • 4X Larger Flash Memory
  • Provides Greater I/O Capability
  • Includes Ethernet PHY, SD Card Socket, and USB Host Port

Full Specifications

BrandTeensy
ColorGreen
ModelTeensy 4.1 With Pins Soldered
UnitCount1
ManufacturerPJRC
ItemPartNumberTEENSY41_PINS

Hardware benchmark data

Ready to buy?

Teensy 4.1 (with Pins) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $39.98

*Price sourced from Amazon.com. Last updated 2026-10-30. Price and availability subject to change.

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Teensy 4.1 (with Pins)
$39.98
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