MINIX ER939-AI Mini PC Features 126 TOPS NPU and High-Speed Connectivity

As the demand for local AI processing and high-performance computing grows, especially in smaller systems, the need for compact yet powerful machines is also increasing. This is evident from the rising popularity of Mac mini cluster projects, and it’s no secret that even Apple is starting to focus more on local AI development rather than relying entirely on cloud-based solutions. To meet this demand, MINIX has introduced the ER939-AI, a compact mini PC built to handle AI workloads, real-time machine learning, and heavy media processing without the need for a large desktop.

The system features a 16-core/32-thread CPU (up to 5.1 GHz), integrated Radeon 8060S Graphics with 8K output, and an NPU with up to 126 TOPS for AI power for applications such as speech recognition and image processing. It comes with up to 128GB LPDDR5-8000 memory and expandable storage up to 8TB via PCIe 4.0 NVMe SSD. Connectivity includes 2.5G Ethernet, Wi-Fi 7, Bluetooth 5.4, USB4, HDMI 2.1, and DisplayPort 1.4 with support for up to four displays. Additional features include Windows Hello fingerprint login, a dual-turbo cooling system with triple fans, and Windows 11 Pro, making it suitable for intensive multitasking, AI acceleration, and high-performance computing in a compact footprint.

Front, back, and side profiles of the MINIX ER939-AI mini PC

MINIX ER939-AI Mini PC  Specifications

• SoC: AMD Ryzen AI Max+ 395 16-core/32-thread processor up to 5.1 GHz with 80MB total cache, Radeon 8060S Graphics, and AMD Ryzen AI NPU (up to 50 TOPS natively, 126 TOPS overall system compute)
• System Memory: 128GB LPDDR5-8000MHz (listed as 8 x 16GB)
• Storage:
  • 2TB M.2 2280 PCIe 4.0 x4 NVMe SSD (expandable up to 8TB)
  • 1x M.2 2242 PCIe 4.0 x4 NVMe SSD slot for expansion
  • Full-size SD Card Slot (front)
• Video Output: Support for up to 4x simultaneous 8K@60Hz displays
  • 1x HDMI 2.1
  • 1x DisplayPort 1.4
  • 2x USB-C 4.0 (DP Alt Mode)
• Audio: 2x 3.5mm combo audio jacks (front and rear); digital audio output via HDMI, DP, and USB-C
• Networking:
  • 1x 2.5GbE RJ45 LAN port
  • Triple-band Wi-Fi 7 (2.4GHz/5GHz/6GHz) and Bluetooth 5.4 via M.2 2230 RZ717 module
• USB:
  • 2x USB4 Type-C ports (40Gbps, DP Alt mode, 15W power delivery)
  • 3x USB 3.2 Gen 2 Type-A ports
  • 2x USB 2.0 Type-A ports
• Misc:
  • Power button with integrated fingerprint scanner (Windows Hello compatible)
  • Kensington lock slot
  • Active dual-turbo cooling system (triple fans + twin turbo intercooler)
• Power: 240W (20V/12A) via DC barrel jack
• Dimensions: 205 x 192 x 70 mm (Metal-plastic chassis)
• Weight: 1.37 kg

All side views of the MINIX ER939-AI mini PC

The company has included a built-in fingerprint reader directly onto the primary power button for seamless Windows Hello biometric login. Cooling a 16-core processor under heavy AI or rendering loads in a 205 x 192 mm chassis is no small feat, so MINIX has equipped the system with what it calls a “dual-turbo cooling system,” using three internal fans and an intercooler design to keep thermal throttling at bay.

ER939-AI Mini PC package contents

Previously, we have written about various other Mini PCs like the Beelink ME Pro, the Ryzen AI 9 HX470-based MINISFORUM’s AI X1 Pro-470 Mini PC, the Shuttle NT10H Series Mini PC, and others. Feel free to check those out if you are interested in the topic.

The system ships with Windows 11 Pro pre-installed with multi-language support. Inside the retail packaging, you will find the MINIX ER939-AI mini PC, a heavy-duty 240W power adapter, an HDMI cable, and the user manual.

High-end hardware of this caliber comes with a matching high price tag, and the MINIX ER939-AI Mini PC is no different, as it’s currently available on the MINIX Official Store for a sale price of $3,150.00. While certainly steep for a mini PC, it competes directly with compact remote server setups and mobile workstations, falling into the same premium tier as recent Strix Halo releases like the ONEXStation.

Images used courtesy of MINIX.