Product Discontinuance Notification - PDN 0000454901
September 30, 2026
We would like to inform you that the UC-3100 Series will reach its End of Life (EoL) phase
Dear Valued Customer,
We would like to inform you that the UC-3100 Series will reach its End of Life (EoL) phase, starting April 30, 2027.
If you need any of these products for an existing project, please contact your Moxa sales representative to place orders before the last-buy date of April 30, 2027. Please note that the last shipment date is September 30, 2027, and all last-buy orders may be subject to availability.
The End of Service (EoS) date for MIL 1 (Moxa Industrial Linux), which is pre-installed on these UC series products, is December 2027. Following this date, software support services for MIL 1?including technical assistance, software updates, and security patches - will no longer be available. Please note that the EoS date applies only to MIL 1 software and does not affect the hardware warranty or repair services. Hardware warranty, repair, and replacement services remain subject to the standard warranty policy for these products.
Schedule
| Last-buy date | Last shipment date | MIL 1 End of Service (EoS) | |
|---|---|---|---|
| UC-3100 Series | April 30, 2027 | September 30, 2027 | December, 2027 |
As cyber threats continue to evolve, so must your defense. To safeguard your business, our recommended replacement - the UC-4400A - is built to deliver futureproof cybersecurity resilience. Fully compliant with IEC 62443-4-2 SL2 standards, the UC-4400A offers the high-level security your operations demand. Upgrade today to keep your infrastructure secure, resilient, and ahead of modern threats.
In addition, our computing performance has been significantly upgraded. Powered by a 64-bit Armv8 Cortex-A53 Quad-core 1.6 GHz processor, and 4GB DDR4 memory, this next-generation architecture transitions your system from 32-bit to 64-bit computing. This jump delivers enhanced processing speed, superior efficiency, and seamless multitasking?ensuring maximum system responsiveness and long-term operational reliability for your mission-critical IPC applications. Please review the details below to determine how these discontinuances will affect your products and/or operations.
Which products will reach EoL?
The following products will reach EoL. Also, see the models recommended to replace those models that will soon reach EoL, as well as when the replacement models will be available for order.
| EOL | Recommended Replacement | Available for Order |
|---|---|---|
| UC-3101-T-US/EU/AP-LX | UC-4430A-T-LTE | Available by January, 2027 |
| UC-3111-T-US/EU/AP-LX | UC-4430A-T-LTE-WiFi | Available by January, 2027 |
| UC-3111-T-US/EU/AP-LX-NW | UC-4430A-T-LTE | Available by January, 2027 |
| UC-3121-T-US/EU/AP-LX | UC-4430A-T-LTE-WiFi | Available by January, 2027 |
| UC-3101-T-US/EU/AP-LX (Custom) | UC-4430A-T-LTE | Available by January, 2027 |
| UC-3111-T-US/EU/AP-LX (Custom) | UC-4430A-T-LTE-WiFi | Available by January, 2027 |
| UC-3121-T-US/EU/AP-LX (Custom) | UC-4430A-T-LTE-WiFi | Available by January, 2027 |
| ANT-WDB-ARM-0405 | / | / |
| ANT-LTEUS-OSM-02 | / | / |
| UC-3100 Antenna Set | / | / |
| UC-3100 DIN-Rail Kit | / | / |
| UC-3100 Wall-Mounting Kit | / | / |
Applicable differences in specifications
In this table, we outline the key differences in specifications between the EoL products and the recommended replacement products.
What makes the recommended UC-4400A series stand out is its substantial leap in computing power and expanded connectivity. Powered by a high-performance quad-core Armv8 Cortex-A53 processor with 4 GB DDR4 memory, it delivers robust edge processing capabilities compared to the legacy UC-3100 series. Additionally, the UC-4400A enhances industrial adaptability by introducing isolated serial interfaces, expanded CAN and DI/DO options, and an updated Linux platform (Moxa Industrial Linux 3), ensuring higher reliability and long-term support for your next-generation deployments.
| Specification | EOL Model | Recommended Replacement |
|---|---|---|
| Model Name | UC-3100 series | UC-4400A series |
| CPU | Armv7 Cortex-A8 1 GHz | Armv8 Cortex-A53 1.6 GHz, Quad |
| DRAM | 1 GB DDR3 | 4 GB DDR4 |
| Dimensions | UC-3101 models: 128.5x89.1x26mm (5.06x3.51x1.02in) UC-3111/UC-3121 models: 128.5x89.1x41mm(5.06x3.51x1.61in) | 141.5x120x41mm(5.57x4.72x1.62in) |
| Operating Temperature | -40 to 70°C (-40 to158°F) | With Wi-Fi: -30 to 65°C (-22 to149°F) With Cellular: -40 to 70°C (-40 to158°F) |
| Computer Interface | Ethernet ports x 2 Serial ports x 1 or 2 CAN x 0 or 1 |
Ethernet ports x 2 Serial ports x 2 or 4 (2 with 2-kV isolation) CAN x 1 or 2 DI/DO 4DI and 4DO |
| Wireless capability | LTE Cat. 1 built-in | LTE Cat. 4 built-in |
| Pre-installed OS | Moxa Industrial Linux 1 (Debian 9, kernel 4.4) | Moxa Industrial Linux 3 (Debian 11, kernel 5.10) pre-installed Moxa Industrial Linux 4 (Debian 13, kernel 6.12) Available |
Please note that all service rules (e.g., warranty) still apply to the EoL products.
If you have any questions, please contact your regional sales representative.