SKU: 60339601887

Teensy 4.1 Development Board

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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Teensy 4.1 Development BoardTeensy 4. 1 features the fastest microcontroller, an ARM Cortex M7 processor at 600 MHz, with an NXP iMXRT1062 chip, the fastest microcontroller available today. It features and an expanded set of powerful peripherals in a 2. 4 by 0. 7 inch form factor. Memory Expansion Teensy 4. 1 comes with four times larger flash memory than the 4. 0, the bottom side of Teensy 4. 1 has locations to solder 2 memory chips. The smaller location is meant for a PSRAM

Teensy 4.1 features the fastest microcontroller, an ARM Cortex-M7 processor at 600 MHz, with an NXP iMXRT1062 chip, the fastest microcontroller available today. It features and an expanded set of powerful peripherals in a 2.4 by 0.7 inch form factor.

Memory Expansion

Teensy 4.1 comes with four times larger flash memory than the 4.0, the bottom side of Teensy 4.1 has locations to solder 2 memory chips. 

The smaller location is meant for a PSRAM chip. The larger location is intended for flash memory.

USB Host

Teensy 4.1's USB Host port allow you to connect USB devices, like keyboards and MIDI musical instruments. A 5 pin header and a USB Host cable are needed to be able to plug in a USB device.

USB hubs may be used if more than 1 device is needed. See the USBHost_t36 examples for details.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60339601887

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4.9 ★★★★★
Based on 14 reviews
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Verified Purchase
SiSi
New York, US
★★★★★ 5
Very nice fit.
Color: Navy, Size: X-Large, Color: Navy, Size: X-Large
This really looked good on my fiancé, who is 6'1 and has a long torso and broad chest and shoulders. It was looser in the midsection. I got him an XL.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
M
Verified Purchase
mason
Charlottesville, US
★★★★★ 5
Great shirt
Color: Light Blue, Size: Large
Fit well, so easy to steam. Wrinkles quickly went away!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
D
Dadjo Badjo
Carnegie, US
★★★★★ 5
Essential Black for the Musician
Color: Black, Size: Medium, Color: Black, Size: Medium
This button-down shirt looks genuinely nice, and my son being in the jazz band means he always needs sharp, dark attire, so this will be great. It presents a clean, classic look that fits right into a professional setting. I truly believe this represents a great value when you consider the quality of the material for a button-down shirt. It’s a solid staple piece that you won't regret stocking in your wardrobe for his band commitments.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
T
Tim
Charlottesville, US
★★★★★ 4
A Good Casual Shirt
Color: Wine Red, Size: Large
This shirt is just what I was looking for. A relatively cheap, casual button down for summer outings, brunches, and dinner. It fit well, but is a little slim around the waste so I would maybe size-up. I got a large and it feels more like a medium around the waste, but the length is good. The material is definitely cheap but cool enough for the summer, and more casual than some of my other button downs that I felt overdressed with. For the price you really can't complain. You don't have to worry about ruining it, but it looks high quality than it is.
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Reviewed in the United States on April 28, 2026
N
Nathaniel Ramos
West Palm Beach, US
★★★★★ 5
Comfortable Stretch Shirt with a Clean, Fitted Look for Everyday Wear
Color: Black, Size: Large
This short sleeve button-down shirt is made from a lightweight fabric with a soft texture and noticeable stretch, giving it a flexible and easy-to-wear construction. The material drapes cleanly and maintains a structured appearance during regular use. The fit is tailored with a more defined cut through the chest and sleeves, creating a streamlined silhouette. The fabric holds its shape well and shows limited wrinkling compared to heavier woven materials, helping it maintain a neat appearance over time. Stitching and construction appear solid, with consistent button alignment and secure seams throughout. The collar retains its structure after repeated wear, and the overall build quality remains stable after multiple uses and washes. The fabric composition allows for a lighter overall feel, and the design works well across different styling combinations depending on the setting. Overall, it is a well-constructed button-down shirt with a tailored fit, flexible fabric design, and consistent build quality suitable for regular use.
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Reviewed in the United States on April 21, 2026

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