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Industrial Fanless Mini PC with 6 COM Ports | HYSTOU H4 Triple Display

(1.5k customers review)
Rated 4.5 out of 5

Categories:

  • Processor & Thermal: Intel® 8th Gen Core™ i5-8250U / i7-8650U (15W TDP) | Heavy-Duty Fanless Aluminum Cooling
  • Industrial I/O Connectivity: 6× DB9 COM Ports (RS232 / RS485 configurable) + 1× LPT Parallel Port
  • Triple 4K Display: Independent 4K@60Hz outputs via HDMI 2.0, DP 1.2, and eDP
  • High-Speed Memory: 2× DDR4 260-Pin SODIMM slots, dual-channel up to 64GB (2400MHz)
  • Triple Storage Bays: 1× M.2 2280 NVMe/SATA SSD + 1× mSATA SSD + 1× 2.5″ SATA3.0 HDD/SSD (up to 6TB)
  • Reliable Networking: Dual Intel® I210/I211 Gigabit Ethernet | M.2 E-Key for Wi-Fi 5/6 & Bluetooth 5.2
  • Harsh Environment Ready: Wide operating temperature range (-20°C to 60°C) | Wall & VESA Mountable

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HYSTOU H4-8th

6 High-Compatibility COM Ports | Triple 4K Displays | Powered by Intel Core i5/i7

Why choose HYSTOU H4-8

High performance and low power consumption
DDR

Dual-channel DDR4, an SSD

4K Triple-Screen Independent Display

Aluminum alloy

6*COM Ports

-20°C~60℃

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Flexible storage combinations

High-Performance Edge Computing with Low Power Efficiency

Powered by the Intel® Core™ i5-8250U / i7-8650U quad-core processor, the system balances robust multi-tasking performance with exceptional energy efficiency. With a ultra-low TDP of just 15W, it minimizes heat generation—enabling 24/7 fanless, silent, and maintenance-free operation in demanding edge computing and industrial environments.

hystou-h4-intel-core-i7-8550u-cpu

Superior Legacy Industrial Expandability

  • 6x COM Ports (RS232/RS485): Configurable serial communication for PLCs & industrial automation.

  • 8x USB Ports (4x USB 3.0 + 4x USB 2.0): Flexible connectivity for all user peripherals.

  • 1x LPT Parallel Port: Full support for legacy mechanical equipment and specialized printers.

  • Dual Intel LAN & Triple 4K Display: High-reliability networking paired with multi-screen monitoring.

hystou-h4-8th-fanless-industrial-mini-pc-external-ports-dimensions

Triple 4K Display Output

The HYSTOU H4 Industrial Mini PC features powerful multi-monitor capabilities, supporting up to three independent 4K displays at 60Hz simultaneously. Built with HDMI 2.0, DisplayPort 1.2 (DP), and an embedded DisplayPort (eDP) interface, it is engineered for high-density visual monitoring, digital signage networks, and complex industrial edge computing environments requiring extensive screen real estate.

HYSTOU H4-4th Triple display

Industrial-Grade Reliable Networking

Engineered for reliable network communication in harsh environments, the HYSTOU H4 Industrial Mini PC is equipped with dual Intel® I210/I211 Gigabit Ethernet ports. Designed for maximum uptime, it supports network redundancy, link aggregation, and dual-IP routing. This dual-LAN architecture provides robust network isolation between field-level automation machinery and enterprise systems, making it an ideal hardware platform for IIoT gateways, industrial firewalls, and edge computing nodes.

HYSTOU H4-4th Dual Lan Port

Triple Storage & Versatile Wireless Expansion

  • Triple Storage Drive Bay: 1x M.2 NVMe/SATA SSD (2280) + 1x mSATA + 1x 2.5″ SATA HDD/SSD.

  • Industrial Wireless Connectivity: M.2 E-key slot for Wi-Fi 6/Bluetooth modules.

  • Cellular Network Ready: Built-in Mini-PCIe slot & Nano-SIM card slot for 4G LTE expansion.

An internal hardware diagram of a fanless industrial mini PC, featuring a pre-installed WiFi module, SIM card slot for 4G/LTE, 1x M.2 SSD slot, 1x MSATA SSD slot, SATA 3.0 interface, 1x 2.5-inch SATA SSD/HDD bay, and 2x DDR4 RAM slots.

Technical Specifications

Category Details
Processor
I5-8250U\I7-8650U
Memory
2x DDR4 260-pin SODIMM, supports up to 64GB
Storage

1×M.2 2240/2260/2280 PCIe 3.0 x2/SATA, supporting NVMe/SATA protocol SSDs
1×MSATA
1×SATA 3.0, for installing 2.5-inch HDD/SSD

Graphics
Intel UHD Graphics 620
Networking

2×Gigabit Ethernet
Default WiFi5 Bluetooth 4.2
Optional WIFI6 Bluetooth 5.2

Operating System
Win10\Win11\Linux
Power Supply
12V 5A/6A
Dimensions
238×182×52mm
Weight
1.6kg (net), 2.2kg (with accessories)
Material
Aluminum alloy
l/O ports

4xUSB 2.0
4xUSB 3.0
1×LPT
1×3.5mm Audio Out
1×3.5mm Audio In 
1xHDMI 4K 60Hz
1xDP*1.2 4K 60Hz
1xEDP 4K 60Hz (Non-Hot-Swappable)
2xGigabit RJ45 LAN Port 
1xDC (5.5*2.5mm)
6xDB 9Pin, RS232 or 4 RS232 + 2 RS485

Internal Slot

1xMPCIE slot for installing WIFI/4G modules.
1xSIM Slot, available for Nano-SIM card only,SIM dimension: 9MM x 12MM
1 x FP1 9Pin pin used for connecting external switches, reset, HDD-LED, PWR-LED

Kensinaton Lock
No
Accessory
VESA mount、Wall-mounted
Working environment temperature
-20°C~60°C

Frequently Asked Questions

What Ethernet controllers are used, and do they support network redundancy?

The system is equipped with dual Intel I210/I211 Gigabit Ethernet RJ45 ports. These industrial-grade Intel controllers deliver low-latency communication, broad driver compatibility, and support for network redundancy/bonding for mission-critical applications.

Auto Power On can be enabled either in the BIOS setup or via the onboard JPWR1 hardware jumper pin. Once configured, the Mini PC will automatically boot up whenever power is restored, ensuring zero-downtime operation in remote or unattended environments.

Yes, the motherboard natively supports:

  • Watchdog Timer: Prevents system lockup by automatically rebooting the system upon software frozen.
  • Wake-on-LAN (WoL): Remotely power on the machine via network magic packets.
  • PXE Boot: Supports network booting (UEFI mode only).
  • RTC Alarm: Allows scheduled automatic system power-on.

The H4 Mini PC supports a wide range of operating systems, including Windows 10, Windows 11, and Linux distributions (Ubuntu, Debian, Rocky Linux), as well as virtualization platforms like VMware ESXi.

Yes. We offer flexible OEM/ODM services for bulk orders, including custom BIOS settings (such as Auto Power On or Wake on LAN), customized RAM/SSD capacities, custom logo printing, and specialized packaging.

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