Mekotronics R58-4×4 3S Arm PC and digital signage player features 3-inch display, 8K HDMI output, 4x HDMI inputs

Mekotronics R58-4×4 3S is another Rockchip RK3588-based Arm PC and digital signage player from the company with unusual features such as a 3-inch display on the front panel as well as four HDMI inputs supporting up to 4Kp60 sources.

The embedded PC features up to 16GB RAM and 128GB eMMC flash, an M.2 PCIe socket for NVMe storage, an 8Kp60-capable HDMI 2.1 video output port, gigabit Ethernet and WiFi 6 connectivity, a mini PCIe socket and NanoSIM card slot for a 4G LTE/GPS module, and more.

Mekotronics R58-4×4 3S specifications:

• SoC – Rockchip RK3588 octa-core processor with
  • CPU – 4x CortexA76  cores @ up to 2.4 GHz, 4x CortexA55 core @ 1.8 GHz
  • GPU – Arm Mali-G610 MP4 GPU with support for OpenGL ES 1.1/2.0/3.2, OpenCL 2.2, Vulkan 1.2
  • Video decoder – 8Kp60 H.265, VP9, AVS2, 8Kp30 H.264 AVC/MVC, 4Kp60 AV1, 1080p60 MPEG-2/-1, VC-1, VP8
  • Video encoder – 8Kp30 H.265/H.264 video encoder
  • AI accelerator – 6 TOPS NPU
• System Memory – 4GB, 8GB, or 16GB LPDDR4x
• Storage
  • 32GB, 64GB, or 128GB eMMC 5.1 flash
  • M.2 M-Key (PCIe 3.0) socket for an M.2 2280 NVMe SSD
  • MicroSD card slot
• Video Output
  • HDMI 2.1 port up to 8Kp60
  • Internal LVDS connector
• Video Input – 4x HDMI inputs up to 4Kp60
• Display – 3-inch display connected over MIPI DSI
• Audio – 3.5mm jacks “audio”, Line-in, and Line-out
• Networking
  • Gigabit Ethernet RJ45 jack
  • WiFi 6
  • Optional 4G LTE/GPS module via mini PCIe socket and nano SIM card slot
  • Up to two external antennas
• USB – 2x USB 3.0, 2x USB 2.0, 1x USB Type-C port
• Expansion
  • Internal GPIO header
  • M.2 socket for storage
  • Mini PCIe socket + NanoSIM card slot for cellular connectivity
• Misc
  • Power button
  • Front panel buttons (D-Pad, 3x user buttons)
  • RTC clock
• Power Supply – 12V/3A via 5.5×2.1mm DC jack
• Dimensions – TBD (Aluminum enclosure)

The company provides support for Android 12, Debian, and Armbian (Ubuntu) operating systems as well as Buildroot built system. We don’t have that many extra details at this time, but the company showcases the Arm PC with Android 12 in the video below showing the 3-inch display mirroring the HDMI output, and also demonstrating the HDMI input feature.

We were not given pricing information for this specific model. More details may be found on the product page.

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