1. Based on Intel J4125 processor, upto 2.7 GHz, 4 MB cache, built-in Intel UHD Graphics 600
2. Mini computers with 4 serial ports are more compatible with traditional devices such as PLCs, sensors, and industrial instruments
| Part No. | T20 |
| Operation System | Windows 10/ Windows 11/ Windows 10 Enterprise LTSC 2019/ 2021/ Linux (trial version) |
| On board CPU | Intel Celeron J4125 processor, Quad-core & Quad-thread, upto 2.7GHz |
| RAM (DDR4) | 4GB (8GB optional) |
| ROM (mSATA) | 64GB (128GB/ 256GB/ 512GB/ 1TB optional) |
| Network | Ethernet 1000M |
| Wi-Fi, IEEE802.11 ac | |
| Bluetooth 4.2 | |
| Interfaces | DC-in terminal (12V~19V)* 1 |
| Power on extension terminal* 1 | |
| CMOS reset* 1 | |
| Operation system reset* 1 | |
| SIM card slot* 1 | |
| USB 3.0* 5 | |
| USB 2.0* 3 | |
| Serial* 4 | |
| RJ45 (LAN)* 2 | |
| HD* 2 (Max: 4096 x 2160@60Hz) | |
| MIC in* 1 | |
| Audio out* 1 | |
| DC in* 1 (12V 5A) | |
| Packing Info | Net weight: 0.68kg |
| Gross weight: 1.45kg (Included accessories) | |
| Packing size: 23*18*14cm |






Q: What is Wi-Fi 4?
A: Wi-Fi 4, or 802.11n, is a wireless network standard designed for faster data transmission and better signal stability. It introduced MIMO technology, using multiple antennas for enhanced performance and coverage. Wi-Fi 4 operates in both 2.4GHz and 5GHz bands, achieving higher data rates with wider channel bandwidth. Despite newer standards, Wi-Fi 4 remains common in home, small office networks, and embedded devices. Typical data rates can reach up to 600 Mbps.
Q: What is OAI's flagship product?
A: OAI specializes in an extensive array of mini computers, encompassing personal mini computers, gaming mini computers, multi-Ethernet port software router systems, POS system control mini computers, industrial control solutions, multi-display control mini computers, educational mini computers, medical control mini computers, and beyond. In addition, OAI complements mini computer lineup with a range of complementary display products.
Q: Can I build my own mini PC?
A: Yes, you can build custom mini PCs using mini-ITX motherboards and compatible components. This offers greater flexibility but requires technical knowledge.
Q: Can I upgrade components in a mini PC?
A: It depends. Some mini PCs allow limited component upgrades, such as RAM or storage, but many models have components soldered or integrated, making upgrades difficult.
Q: Are your mini PCs energy-efficient?
A: Yes, our mini PCs are designed to be energy-efficient, consuming less power compared to larger desktop computers. This makes them suitable for environments where energy conservation is important.