Intel B75 Chipset 2nd-3rd Gen Industrial Computer Motherboard - Stable and Durable Industrial-grade Motherboard
Based on the Intel B75 chipset, it supports LGA1155-pin Sandy/Ivy Bridge Core i3/i5/i7 processors and is equipped with DDRⅢ DIMM slots to meet memory expansion needs. It features rich I/O interfaces, including various USB interfaces, SATA interfaces, COM interfaces, LPT interfaces, and Gigabit Ethernet ports, supports VGA+DVI dual displays, and boasts reliable performance, anti-interference capability, and strong electromagnetic compatibility. It is widely used in industrial, military, and scientific research equipment scenarios.
Technical Parameters
| Model | Motherboards supporting 2nd/3rd generation CPUs | |||
| OEM&ODM | Support customization | |||
| Product Name | KTB-781G2 | KTB-B75-6P | KTB-581G2 | KTB-B75 |
| Type | Standard ATX | Standard ATX | MIRCO ATX | PICMG 1.0 Industrial CPU Card |
| Chipset | B75 | B75 | B75 | B75 |
| CPU Socket | LGA1155 | LGA1155 | LGA1155 | LGA1155 |
| Supported CPU | 2nd/3rd Gen | 2nd/3rd Gen | 2nd/3rd Gen | 2nd/3rd Gen |
| Memory | 4*DDR3 DIMM, Max 32GB | 4*DDR3 DIMM, Max 32GB | 2*DDR3 DIMM, Max 16GB | 2*DDR3 DIMM, Max 16GB |
| Display Interface | VGA+DVI-D | VGA+DVI-D | VGA+DVI-D | VGA |
| Serial Ports | 6 | 6 | 6 | 2 |
| COM1-2: 232 | COM1-2: 232 | COM1: 232 | COM1-2: 232 | |
| COM3: 485/422/232 | COM3: 485/422/232 | COM2: 485/422/232 | ||
| COM4-6: 232 | COM4-6: 232 | COM3-6: 232 | ||
| Network Ports | 2 | 2 | 2 | 2 |
| Intel 82583V+82579L | RTL 8111E | |||
| USB | 2*USB3.0 | 2*USB3.0 | 4*USB3.0 | 8*USB2.0 |
| 10*USB2.0 | 10*USB2.0 | 7*USB2.0 or 8*USB2.0 (optional) | ||
| Hard Disk Interface | 1*SATA3.0 | 1*SATA3.0 | 1*SATA3.0 | 1*SATA3.0 |
| 5*SATA2.0 | 3*SATA2.0 | 3*SATA2.0 | 3*SATA2.0 | |
| PCIE 16X | 1*16X | 1*16X | 1*16X | / |
| PCIE 4X | 1*4X | / | 1*4X | / |
| PCIE 1X | 1*1X | / | / | / |
| PCI | 4 | 6 | 2 | / |
| PS/2 | Supported | Supported | Supported | Supported |
| LPT | Supported | Supported | Supported | Supported |
| Power Supply | ATX | ATX | ATX | ATX |
| Operating Temperature | 0℃~60℃ | 0℃~60℃ | 0℃~60℃ | 0℃~60℃ |
| Storage Temperature | -20℃~85℃ | -20℃~85℃ | -20℃~85℃ | -20℃~85℃ |
| Operating Humidity | 5%~95%, No condensation | 5%~95%, No condensation | 5%~95%, No condensation | 5%~95%, No condensation |
| OS | WinXP/7/8/10, Linux | WinXP/7/8/10, Linux | WinXP, Win7/8/10, Linux | WinXP, Win7/8/10, Linux |
| Motherboard Size | 245*305 MM | 245*305 MM | 245*245 MM | 338*122 MM |
What industrial-grade features do KTB-581G2,KTB-781G2,KTB-B75-6P,KTB-B75 possess?
Stable power supply: Industrial grade power support
Pure signal: improved anti-interference ability
Durable Insertion and Removal: Assisted by 15U Gold Plating Process
Military Quality: Stable Operation in Extreme Environments
Wide Temperature Storage: Suitable for harsh storage and transportation environments
High speed communication: equipped with Intel Gigabit Ethernet card
Strict Quality Control: No Defects in the Entire Process
Improve after-sales service: worry free guarantee throughout the entire cycle
Application Cases
The following are real application cases of KTB in various industries.
Serbia Industrial Automation: Kangtai Bokong 18-inch Industrial Panel PC Powers Boiler Control Systems
In 2025, Serbia’s manufacturing sector is experiencing a significant shift towards industrial automation and digital transformation, driven by labor scarcity, rising operational costs, and the need to integrate into European supply chains. For industrial equipment enterprises specializing in boiler automation systems, finding a reliable, high-performance human-machine interface (HMI) has become a critical factor in ensuring operational efficiency and market competitiveness.
2022 Winter Olympics Snowmaking Water Diversion Project: IPC-610L, Industrial Servers & UPS Solutions
The 2022 Winter Olympics hosted ice events in Beijing and snow events in Yanqing and Zhangjiakou. The snowmaking water diversion project spanned multiple outdoor pumping stations and monitoring areas, serving as the lifeline for consistent snow supply during competitions.
China Qinghai Tongren to Sai'errong Section Expressway Construction — KTB-7700F
The Qinghai Tongren to Sai'errong (Qinghai-Gansu Border) Expressway is a key transportation artery in the eastern Qinghai-Tibet Plateau. As a critical segment of Qinghai Province’s "Three Verticals, Four Horizontals, Ten Connecting Lines" expressway network, it spans 204.524 kilometers. This project requires equipment to adapt to the complex plateau environment (low temperature, high altitude), enabling intelligent interconnection of on-site devices and real-time management of operation and maintenance data.
KTB-PE215 Industrial Panel PC: A Case Study of Enabling Efficient Upgrade of Automotive Parts Production Lines
A smart manufacturing enterprise, a leading player in China's automotive parts production sector, operates 3 automated stamping and assembly lines. It mainly supplies core structural components to new energy vehicle manufacturers, with a daily production capacity of over 20,000 units.
Customization: Supported
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