Join Sealevel for Embedded World 2024

Join us during Embedded World 2024 at Hall 3, Stand 141 to experience Sealevel's newest family of computers, the Flexio Fanless Industrial Embedded Computers. With the latest industrial processors – and flexible connectivity from the leader in I/O engineering – the Flexio computers are ideal control solutions for automation, point-of-sale, test and measurement, medical, and security applications. Sealevel team members will also showcase select products with applications for test and measurement, manufacturing automation, and complete system control.

Download Company Brochure

Showcasing the Latest in COM & I/O

Sealevel reinvented the industrial I/O and computing industry with the first RS-422/485 communication adapter for the IBM PC. Since 1986, Sealevel has continued to redefine design, engineering and manufacturing for industrial computers, synchronous serial, Ethernet serial servers, and IoT hardware and software.

We are committed to a first-in-industry lifetime warranty on I/O and long-term availability of all products, beyond the life of your mission.

Sealevel Systems, Inc. is the industry leader in providing COTS and full custom hardware and software to wide-reaching industry leaders like PacStar, L3Harris, GE Aerospace, VizRT, and Wi-Tronix as well as every major US and Allied nations military contractor including SAAB, RUAG, Airbus, BAE Systems, Thales, Safran, Leonardo, Rheinmetall, Northrop Grumman, Raytheon, Boeing, and NAVWAR.

Featured Products

Relio R1 Rugged – Intel Atom x6414RE (Elkhart Lake)

Relio R1 Rugged - Intel Atom x6414RE (Elkhart Lake)

Read More

COM Express Compact Type 6 Evaluation Board

Compact COM Express Carrier Board, Type 6

Read More

Rugged SuperSpeed 4-Port USB 3.1 Hub

Rugged SuperSpeed 4-Port USB 3.1 Hub with Battery Charging Downstream…

Read More


Low Profile PCI Express 1-Port RS-232, RS-422, RS-485, RS-530, RS-530A,…

Read More

Ultra 530.LPCIe

Low Profile PCI Express 1-Port RS-232, RS-422, RS-485, RS-530 Serial…

Read More


PCI Express 4-Port RS-232, RS-422, RS-485, RS-530, RS-530A, V.35 Synchronous…

Read More

Bring It On

Sealevel was founded in 1986 with a commitment to providing mission critical I/O and computing solutions. Today we’re proud to say that our products go all over the world. But it all starts in Liberty, South Carolina.

Play Video

Don’t see what you are looking for?
We Can Build It.

From wide-temperature industrial computers, to I/O intensive fetal monitoring systems, our team continues to develop solutions for unique problems across industries and platforms.