Waterproof Box PC | TWB-3520

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Waterproof Box PC | TWB-3520

  • Fully Waterproof NEMA 4X (IP65) PC
  • Intel® Core i7-3555LE 2.50GHz
  • Ultra Compact Size with Fanless Design
  • Support mSATA SSD and Micro SD Card
  • One Mini-PCIe Socket Expansion
  • 9~36V DC with Isolation


This Teguar industrial and fully waterproof fanless computer can be used in a wide variety of applications that require rugged and compact computer design. The waterproof design of the TWB-3520 is both cost-effective and space-saving while being a fully fanless box pc which makes it an ideal solution for embedded systems. This fanless and noiseless Box PC is constructed out of rugged aluminum housing which acts as a heatsink for maintenance-free cooling. It is powered by an Intel® Core i7-3555LE 2.50GHz processor. The TWB-3520 can be equipped with up to 8GB DDR3 RAM and is suitable for wall mounting through the included wall mount kit. This waterproof Box PC features one Mini PCIe slot that allows for utilization of Wi-Fi or 3G/4Gmodules.

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Inputs/Outputs - Frontside


TWB-3520 Backside

Inputs/Outputs - Rearside

TWB 3520 Back view

TWB-3520 drawings



Technical Drawing

TWB-3520 Waterproof Box PC drawing

Additional Information

Model Name TWB-3520
Processor IntelĀ® Core i7-3555LE 2.50GHz
CPU Performance 2.50GHz
Chipset IntelĀ® NM10 Express Chipset
Storage SATA III x 2
Memory (RAM) 2GB, 4GB, 8GB
I/O Ports
USB 2.0 2 x USB 2.0
Serial 1 x RS232, 1 x RS422 / 485
Video 1x DVI
Ethernet 2 x RJ45 GbE
Other Ports 1x 8 Channels GPIO / CAN Bus (Optional)
DC Jack Yes
Audio In/out 1x Line-in / Line-out (Optional)
DC Input / Source Voltage 9~36V DC with isolation
Expansion Slots
Mini PCIe Slot (internal) 1 x Mini PCIe slot
Operating Temperature
Operating Temperature -20 to 60 Celsius (-4 to 140 Fahrenheit)
Humidity Range 5% to 95% (non-condensing)
Cooling System / Thermal Solution
Thermal Solution Passive - Fanless
Dimensions / Weight
Weight (kg) 3.2 kg   (7.055 lbs)
Dimensions 261 x 168 x 51 mm
Material Aluminum
Color Silver
Warranty Up to 5 Years