Available - Contact Us for Lead Time Details


The TB-3445 is a mini box PC designed to work in dirty, hot environments for years and years. This computer is low cost and compact, while still being rugged and industrial. Compared to similar low-cost computer solutions, the TB-3445 is much more reliable. This computer is built to run 24/7 in your manufacturing facility or warehouse. It is ideal for connecting your PLCs to the cloud, monitoring the production floor from an office, and taking actions such as controlling machinery, turning on/off pumps, or stopping production. This PC can be DIN rail mounted or Wall mounted with built-in expansion tabs, and fits lots of I/Os in a small package.

Read a 3rd party review of the TB-3445 from ruggedpcreview.com >

Key Highlights

  • Intel N3350/4200 CPU
  • Slim & Rugged Chassis
  • Abundant Inputs/Outputs
  • DIN Rail Mountable
  • Wide Range DC 9~36V Power Input

starting at



Use Cases

Warehouse Management Systems: With its small footprint and rugged design, the TB-3445 Box PC is well-suited for warehouse management applications, fitting into tight spaces and providing reliable computing power for inventory tracking and logistics management.

IoT Gateway: Equipped with numerous I/Os and a compact size, the TB-3445 is an ideal choice for IoT gateway applications, enabling seamless connectivity and data aggregation in industrial environments with limited space.

Embedded Industrial Computing: Measuring only 2 inches thick and designed for continuous operation, this unit is suitable for embedded computing applications in various industrial sectors, offering durability and reliability in challenging environments.

What’s in the Box

    TB-3445 Box PC Phoenix type Terminal Block for DC input
See the data sheet Warranty Features

Dimensional Drawings & I/Os

See the data sheet

Inputs / Outputs

labeled inputs and outputs of the Teguar TB-3445 box computer

Technical Drawings


See the data sheet

Key Highlights

  • Intel N3350/4200 CPU
  • Slim & Rugged Chassis
  • Abundant Inputs/Outputs
  • DIN Rail Mountable
  • Wide Range DC 9~36V Power Input


Main Category Industrial Computer

Primary Components

Processor Family Intel Celeron Apollo Lake
Processor Model N3350 Dual Core
Processor Speed Up to 2.4 GHz
Memory Type 1x DDR3L SO-DIMM
Memory Support 4GB, 8GB
Storage type mSATA
Storage support 64GB (Standard), up to 256GB (Optional)

External I/O ports

USB 1x USB 2.0, 2x USB 3.0 (with lock), 1x USB 3.0 type C
Serial / Com 2x COM
Serial Protocol Detail 2x RS-232/422/485
Ethernet / LAN 2x RJ45 GbE LAN
Video Outputs 1x DisplayPort
Power Input Port 3-Pin DC-In (Phoenix Type)


Input Voltage Range 9-36V DC
Max Power consumption 33W
Standard Power Adapter Optional 12V AC/DC Adapter

Operating Systems

Windows Windows 10 IoT, Windows 10 Pro

Expansion Slots

Internal Mini PCIe 1x Mini-PCIe
PCIe Expansion Details 1 x mini PCIe for Wi-Fi/GPS/LTE
SD card 1x Micro SD Slot
Expansion Module support Default expansion: 2 x COM (DB9); Optional expansion requires MOQ - 3 x COM (Terminal Block); 2 x USB 2.0; 16 channel GPIO

Thermal and Environmental

Operating Temperature -20°C – 60°C
(-4°F – 140°F)
Storage Temperature -40°C – 85°C
(-40°F – 185°F)
Humidity Range 10% – 90% Non-condensing
Storage Humidity 10% – 90% Non-condensing
Cooling Solution Passive – Fanless with Heatsink


Material Aluminum
Color Black, Gray
Led Indicator Light Power
Control Buttons Power Button
Mounting Options DIN Rail Mount, Wall Mount

Peripherals & Wireless Connectivity

WiFi Optional

Dimensions / Weight

Weight .78 KG (1.7 lbs)
Dimensions 140x120x42 mm (5.5 x 4.7 x 1.7 in)


Warranty Up to 5 Years


Main Category Filter Industrial Computer


See the data sheet

Customize & Buy

Power Supply
Operating System
Add WiFi & Bluetooth?

Select the accessories you wish to add to your order.
See the Accessories tab for accessory details.

Rugged Mini PC



  • Intel N3350/4200 CPU
  • Slim & Rugged Chassis
  • Abundant Inputs/Outputs

Rugged Mini PC




For additional customization and quantity discounts, reach out to use directly for a custom quote!

Quantities up to 10 can be purchased online.

For quantities over 10, you must request a quote or contact us at sales@teguar.com or 704-960-1761.

Related Products

Model TB-2945

Fanless Box Computer

  • Intel Celeron N2930 Quad Core Processor
  • Steel Chassis with Aluminum Heatsink
  • Wide Operating Temperature
Model TB-2945-DIN

Fanless Box Computer with DIN Rail Mount

  • Intel Celeron N2930 Quad Core (2M Cache, Up to 2.16GHz)
  • Designed for DIN Rail Mount
  • Wide Range DC Power Input (9~36VDC)
Model TB-5085

Fanless PC-TB-5085

  • Intel 6th Gen Core i3/i5 or Celeron CPU
  • Small Form Factor Fanless Design (8.5"x 6"x 2")
  • 3 LAN, 6 USB, up to 6 COM Ports