LattePanda Sigma - The Small Hackable x86 Windows/Linux Single Board Computer Server (16GB RAM)
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Description
The LattePanda Sigma is a high-performance x86 single-board computer powered by a 13th Generation Intel Core i5 processor and 16GB of high-speed LPDDR5 memory. Designed for makers, developers, and educators, it serves as a capable platform for edge computing, AI inference, media streaming, and local server hosting. It combines desktop-grade computing power with integrated Arduino-compatible hardware control in a compact 3.5-inch form factor.
13th Gen Intel Core processing
Powered by the Intel Core i5-1340P processor, the board features 12 cores and 16 threads with turbo frequencies reaching up to 4.60 GHz. An integrated Microchip ATmega32U4 coprocessor provides dedicated microcontroller pin control for sensors and robotics hardware.
High-bandwidth LPDDR5 memory
With 16GB of onboard dual-channel LPDDR5-6400 RAM, the system delivers memory bandwidth speeds up to 102.4 GB/s. This fast throughput ensures smooth execution during heavy multitasking, data processing, and AI edge inference.
Sustained 44W active cooling
An assembled active cooling fan maintains a sustained 44W TDP to deliver full processor performance without thermal throttling. The fan operates quietly, measuring just 35 decibels in idle mode for undisturbed desktop use.
Balanced computing energy efficiency
The hybrid processor architecture matches the performance of high-end desktop processors such as the Intel Core i9-9900K while consuming half the power. This efficient power profile makes the board well suited for continuous 24/7 server and IoT operation.
Compact 3.5-inch form factor
Measuring just 146 mm by 102 mm, the board is only slightly larger than a standard computer mouse. Its compact dimensions allow easy integration into space-constrained projects, embedded appliances, and portable setups.
Support for quad 4K displays
Equipped with Intel Iris Xe Graphics and 80 execution units, the board supports up to four simultaneous 4K displays. Display output options include HDMI 2.1, dual Thunderbolt 4 DisplayPort connections, and an internal eDP interface.
Extensive expansion and versatile connectivity
The board includes dual 2.5GbE Ethernet ports, two 40Gbps Thunderbolt 4 ports, and four M.2 slots for NVMe storage, cellular modems, and wireless cards. Dedicated internal headers provide direct access to RS232, RS485, SATA 6.0 Gb/s, and ATmega32U4 GPIO pins.
Specifications
| CPU | Intel® Core™ i5-1340P |
| Cores / Threads | 12C(4P+8E) / 16T |
| Max Turbo Frequency | 4.60 GHz(Performance-core), 3.4 GHz(Efficient-core) |
| L2 Cache | 12 MB |
| Base Power | 28 W |
| Graphics | Intel® Iris® Xe Graphics |
| Max Dynamic Frequency | 1.45 GHz |
| Execution Units | 80 |
| Co-processor | Microchip® ATmega32U4-MU |
| Drive Form Factor | M.2 SSD (NVMe/SATA), SATA Drive |
| Wireless Form Factor | M.2 Wireless Module (PCIe/CNVio) |
| HDMI Port | HDMI 2.1, Up to 4096 x 2304 @ 60Hz |
| USB Type-C Port | DP 1.4a, Up to 7680 x 4320 @ 60Hz (One Monitor) |
| Embedded Display Port | eDP 1.4b, Up to 4096 x 2304 @ 120Hz |
| USB Type-A | 2 x USB2.0 (480Mbps) |
| USB Type-C | 2 x Thunderbolt™ 4 (40Gbps) |
| HDMI | HDMI 2.1 |
| Ethernet | 2 x 2.5GbE RJ45 Ports (Intel® i225-V Gigabit Ethernet Controller, Supports 10/100/1000/2500 Mbps, WOL) |
| Power | 5.5mm x 2.5mm DC Jack |
| Audio | 3.5mm Microphone Headphone Combo Connector |
| Sim Card | Micro Sim Card Slot |
| USB 2.0 | 2.0mm Pitch 4-Pin Connector, 480Mbps |
| Fan | 1.27mm Pitch,12V 4-Wire Fan Connector, PWM Control |
| SATA | SATA 6.0 Gb/s Data Connector, 2.0mm Pitch 4-Pin Power Connector |
| Front Panel | 2.54mm Pitch 9-Pin Header, Supports Power, Reset, Power LED, HDD LED |
| Front Audio Panel | 2.54mm Pitch 9-Pin Header, Supports High Definition Audio (HD), Line-Out, Mic-in |
| COM | 2.54mm Pitch 9-Pin Header,Supports RS232, RS485 |
| GPIO | 2.54mm Pitch 34-Pin Header, Including ATmega32U4 I/O Pins, 5V Power Pins, S0/S3/S4 State Pins |
| eDP | 0.5mm Pitch 40-Pin Connector, 4 Lanes |
| M.2 M Key | Type 2280, Supports PCIe 3.0 x4 |
| M.2 B Key | Type 2242/2252/2280, Supports SATA III/PCIe 3.0 x1, USB2.0, USB3.0, SIM |
| M.2 E Key | Type 2230, Supports PCIe 3.0 x1,USB2.0, Intel CNVio |
| TPM | Built-in TPM (2.0) |
| Power Input | 5.5mm x 2.5mm DC Jack: DC 12~20V |
| USB Type C | PD 20V |
| Power Adapter | 19V DC, 4.74A, 90W |
| RTC Battery | CR1220 Battery Holder: 3V |
| 1.27mm Pitch 2-Pin Connector | 3V |
| Microsoft Windows | Windows 10, Windows 11 |
| Linux | Ubuntu 22.04 |
In the box
| LattePanda Sigma | 1 |
| Active Cooling Fan (Assembled) | 1 |
| Metal Protective Bottom Plate | 1 |
| Thermal Pads for M.2 SSD | 2 |
| Power Adapter with DC cable | 1 |
| AC Cable(EU & US & UK) for power adapter | 3 |
| RTC Battery (Assembled） | 1 |
| User Manual | 1 |
| Safety Information | 1 |
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