PCM-GM351 3.5-inch x86 embedded mainboard by Shenzhen YDS Tech Co., Ltd. stands out with wide-temperature resistance, fanless cooling, rich interfaces, and high stability. It is widely used in intelligent transportation, EV charging stations, smart grid, and other industrial fields. To help customers better understand and select this product, we have compiled this FAQ for your reference.
1. Product Basic Specifications
1.1 What are the form factor and dimensions of YDS TECH PCM-GM351?
PCM-GM351 is a 3.5-inch embedded mainboard with a standard size of 146mm × 101mm. Its compact embedded design fits into limited installation spaces for various industrial devices.
1.2 Which processors are supported, and what about power consumption?
It integrates Intel® Gemini Lake Refresh Series SoC with low-power Celeron options:
Intel® Celeron® N4020: Dual-core 1.1GHz, up to 2.8GHz, 6W
Intel® Celeron® N4120: Quad-core 1.1GHz, up to 2.6GHz, 6W
Intel® Celeron® J4025: Dual-core 2.0GHz, up to 2.9GHz, 10W
Intel® Celeron® J4125: Quad-core 2.0GHz, up to 2.7GHz, 10W
Intel® Celeron® N4000: Dual-core 1.1GHz, up to 2.6GHz, 6W
All CPUs balance computing performance and low power for 24/7 industrial operation.
1.3 What memory specifications does PCM-GM351 support?
It uses one SO‑DIMM DDR4 slot (1.2V), supporting up to 8GB and frequencies up to 2400MHz, meeting multitasking and data processing demands.
1.4 What display interfaces and resolutions are supported?
The industrial motherboard supports VGA, HDMI 2.0, eDP, LVDS and dual independent displays:
HDMI 2.0: up to 3840×2160 (4K)
VGA / eDP / LVDS: up to 1920×1080 (1080P)
1.5 What storage interfaces are available?
PCM-GM351 provides:
1 × SATA3.0
1 × mSATA
1 × mPCIe
Optional eMMC
Supports SSD and HDD for high-speed and large‑capacity industrial storage.
1.6 What USB and serial ports are on PCM-GM351?
USB: 2 × USB2.0 + 4 × USB3.0
Serial: 6 × RS232 (3‑wire), 2 of which are switchable between RS232/RS422/RS485
1.7 What other I/O, LAN, and audio features are included?
Ethernet: 2 × Gigabit LAN (Realtek RTL8111H)
Audio: ALC662, Line-in, Line-out, Mic-in
GPIO: 8 × general-purpose input/output ports
2. Core Features
2.1 What is the operating temperature range of YDS TECH PCM-GM351?
Standard: -20°C ~ +75°C
Custom wide-temp version: -40°C ~ +85°C
Suitable for harsh outdoor environments such as EV charging stations and intelligent transportation.
2.2 What cooling method is used?
It uses a fanless design, which reduces dust, noise, failure rate, and maintenance cost for long-term industrial use.
2.3 What is the power supply range?
Input voltage: +12V ~ +19V, recommended +12V. Wide voltage design improves stability in industrial environments.
2.4 Which operating systems are supported?
Fully compatible with Windows 10 and Linux. The x86 architecture ensures high compatibility with industrial control software.
2.5 What are the key advantages of this embedded mainboard?
Wide-temperature design for harsh environments
Fanless & low-power for high reliability
Compact 3.5-inch form factor
Rich I/O and expansion interfaces
x86 platform with excellent OS compatibility
3. Industry Applications
3.1 What fields can PCM-GM351 be used in?
It is widely applied in: Intelligent Transportation, EV Charging Stations, Smart Grid, Machine Vision, CNC Systems, Industrial Robots, Facial Recognition, IoT Systems.
3.2 Why is it suitable for intelligent transportation?
Its wide-temperature resistance and high stability ensure reliable operation outdoors with large temperature variations.
3.3 Why choose it for EV charging stations?
Fanless, wide-temperature, 24/7 stable, and compact size make it ideal for charging pile control systems.
3.4 Value in machine vision & facial recognition?
Stable Intel computing power, rich interfaces, and durable industrial design support real-time image processing.
3.5 Why for CNC and industrial robots?
Strong anti-interference, compact size, and complete I/O for motion control and data acquisition.
4. Selection & Usage
4.1 Standard or wide-temperature version?
Indoor general industry: standard version (-20°C ~ +75°C)
Outdoor / extreme environments: wide-temp version (-40°C ~ +85°C)
4.2 How to choose RAM and storage?
RAM: 4GB for basic control; 8GB for vision and image processing
Storage: mSATA SSD for speed; SATA SSD/HDD for large capacity
4.3 Is extra cooling required for fanless design?
No extra cooling is needed in normal industrial environments. For fully sealed high-temperature cases, improve chassis ventilation.
4.4 What can mPCIe expand?
Wi-Fi, BT, 4G/5G modules, industrial acquisition cards, and other IoT/communication modules.
4.5 Does YDS TECH provide technical support?
Yes. We offer full technical support including selection, configuration, installation, and after-sales service.
5. Purchase & Customization
5.1 How to get the full datasheet?
Visit the official website: www.ydstech.com or contact support for the PDF datasheet.
5.2 How to request customization?
For wide-temperature, interface, or function customization, contact: Mr. Huang Email: stan@ydstech.com
5.3 Are bulk order discounts available?
Yes. We provide exclusive pricing, technical support, and testing services for bulk buyers.
Shenzhen YDS Tech Co., Ltd. has years of experience in industrial computing and provides high-reliability embedded solutions for global industrial customers.
If you have more questions about PCM-GM351 industrial motherboard / embedded mainboard, please feel free to contact us.
Add : Room 802, Building A, Golden Apple Innovation Park, Ganli 2nd Road No.9, Jihua Street, Longgang District, Shenzhen City, Guangdong Province, China.
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