Summary of 3.5” EMBEDDED SBC WITH INTEL® ATOM® X5-E3940 PROCESSOR, LVDS, HDMI, 2 GBE LANS AND AUDIO
Axiomtek introduces the CAPA310, a fanless 3.5-inch embedded SBC powered by the quad-core Intel® Atom® x5-E3940 processor. Designed for Industrial IoT and intelligent systems, it operates reliably between -40°C to +80°C with 12V–24V DC input. The board offers extensive connectivity including HDMI, LVDS, VGA, dual Gigabit LANs, multiple USB ports, and storage options like SATA-600 and mSATA. It supports up to 8GB DDR3L memory and features expandability via PCIe Mini Card slots and optional ZIO connectors, making it ideal for automation, signage, and medical applications.
Parts used in the CAPA310:
- Intel® Atom® x5-E3940 processor
- 204-pin DDR3L-1867 SO-DIMM slot
- PCI Express Mini Card slot
- Optional ZIO connector
- HDMI interface
- LVDS interface
- VGA interface (optional)
- RS-232/422/485 port
- USB 2.0 ports
- USB 3.0 ports
- Gigabit LAN ports
- SATA-600 socket
- mSATA interface
- TPM 2.0 module (optional)
- Watchdog timer
Axiomtek – a world-renowned leader relentlessly devoted in the research, development and manufacture of series of innovative and reliable industrial computer products of high efficiency – is pleased to announce the CAPA310, a 3.5-inch embedded SBC featuring the onboard quad-core Intel® Atom® x5-E3940 processor (codename: Apollo Lake). The fanless small form factor embedded board is highly reliable with an extended operating temperature range of -40°C to +80°C and a wide range power input of 12V to 24V DC. This industrial-grade 3.5-inch embedded board is feature-rich and expandable, with stunning graphical performance. The CAPA310 is a highly versatile platform designed for Industrial IoT and intelligent systems such as industrial automation, self-service terminals, digital signage, POS/kiosk displays, medical, and more.
“Axiomtek’s CAPA310 provides an enhanced, feature-rich and easy-to-deploy solution for varying embedded applications. It comes with a small form factor, lower power consumption CPU, fanless operation, high network connectivity, stunning graphical performance, and abundant I/O connectivity. To ensure flexible configuration and expandability, the CAPA310 has an emphasis on expandability with a full-size PCIe Mini Card slot and an optional ZIO connector for additional PCIe, LPC, USB and SMBus. Additionally, this compact embedded board features the Intel® integrated Gfx graphic engine to deliver high-resolution HD support for display interfaces: HDMI, LVDS and optional VGA. It is perfectly suited for gaming and signage applications,” said Michelle Mi, a product manager of Product Planning Division at Axiomtek.
The 3.5” CAPA310 has one 204-pin DDR3L-1867 SO-DIMM slot for up to 8GB of system memory. It comes with one RS-232/422/485, one RS-232, two USB 2.0, four USB 3.0 (USB 3.1 Gen1), two Gigabit LANs with Intel® i211AT Ethernet controller, 8-channel digital I/O, and HD Codec audio. In addition, the Intel® Atom®-based embedded SBC features one PCI Express Mini Card slot for various peripheral modules like Wi-Fi, 3G, 4G, LTE. The CAPA310 also has one SATA-600 socket and one mSATA interface for storage devices. This rugged 3.5-inch embedded motherboard enhances its security and reliability with TPM 2.0 (optional), watchdog timer and hardware monitoring features.
Read more: 3.5” EMBEDDED SBC WITH INTEL® ATOM® X5-E3940 PROCESSOR, LVDS, HDMI, 2 GBE LANS AND AUDIO
- What processor does the CAPA310 use?
The CAPA310 features an onboard quad-core Intel® Atom® x5-E3940 processor. - Can the CAPA310 operate in extreme temperatures?
Yes, it has an extended operating temperature range of -40°C to +80°C. - How much system memory can the CAPA310 support?
It has one 204-pin DDR3L-1867 SO-DIMM slot supporting up to 8GB of memory. - Does the CAPA310 support wireless connectivity modules?
Yes, it includes a PCI Express Mini Card slot for Wi-Fi, 3G, 4G, or LTE modules. - What display interfaces are available on the CAPA310?
It supports HDMI, LVDS, and optional VGA interfaces with high-resolution HD support. - Is the CAPA310 suitable for industrial automation?
Yes, it is designed for industrial automation, self-service terminals, digital signage, and medical applications. - Does the CAPA310 include security features?
It enhances security with an optional TPM 2.0 module, watchdog timer, and hardware monitoring. - What power input range does the CAPA310 accept?
The board accepts a wide range power input of 12V to 24V DC.

