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Home » Seeed Studio NV Jetson Series » J2021 with Jetson Xavier NX 8GB module (M.2 Key M/E + 4xUSB3.0)

J2021 with Jetson Xavier NX 8GB module (M.2 Key M/E + 4xUSB3.0)

J2021 is a hand-size edge AI box built with Jetson Xavier NX 8GB module which delivers up to 21 TOPs AI performance, rich set of IOs including USB 3.1 Gen 2 ports(4x), M.2 key E for WIFI, M.2 Key M for SSD, RTC, CAN, Raspberry Pi GPIO 40-pin, and so on, aluminum case, cooling fan, pre-installed JetPack System, as NVIDIA Jetson Xavier NX Dev Kit alternative, ready for your next AI application development and deployment.


  • Hand-size edge AI device: built with Jetson Xavier NX 8GB Production Module, delivering 384 NVIDIA CUDA® cores delivers up to 21 TOPs AI performance with the small form factor of 130mm x120mm x 50mm.
  • NVIDIA Jetson Xavier NX Dev Kit alternative: the carrier board brings rich IOs including Gigabit Ethernet port, 4 USB 3.1 Gen2 ports, HDMI port, and DP port
  • Pre-installed NVIDIA JetPack: support entire Jetson software stack and various developer tools for building fast and robust AI application provided by Seeed Edge AI partners, helps develop innovative AI solution for manufacturing, logistics, retail, service, agriculture, smart city, healthcare, and life sciences, etc
  • Power-efficient: as little as 10 watts, delivering high performance, accurate, multi-modal AI inference at the edge.  
  • Expandable with the onboard interfaces and reComputer case, able to mount on the wall with mounting holes on the back.
  • Comprehensive certificates: FCC, CE, RoHS, KC


reComputer series for Jetson are compact edge computers built with NVIDIA advanced AI embedded systems: J10 (Nano 4GB) and J20 (Jetson Xavier NX 8GB and Jetson Xavier 16GB), where the reComputer J2021 is the Jetson Xavier NX 8GB module carried by reComputer J202 carrier board.

With rich extension modules, industrial peripherals, thermal management, reComputer for Jetson is ready to help you accelerate and scale the next-gen AI product by deploying popular DNN models and ML frameworks to the edge and inferencing with high performance, for tasks like real-time classification and object detection, pose estimation, semantic segmentation, and natural language processing (NLP). 

At Seeed Studio, you will find everything you want to work with NVIDIA Jetson Platform – official NVIDIA Jetson Dev Kits, Seeed-designed carrier boards, and edge devices, as well as accessories.

Comparison among reComputer J20 series and Official Dev Kits

NVIDIA Jetson Xavier NX Developer KitreComputer J2012reComputer J2021reComputer J2022
ModuleXavier NX (not production version)Xavier NX 16GB (production version)Jetson Xavier NX 8 GBJetson Xavier NX 16GB
AI Perf21 TOPS
GPU384-core NVIDIA Volta™ GPU
CPU6-core NVIDIA Carmel ARM®v8.2 64-bit CPU 6 MB L2 + 4 MB L3
Memory8 GB 128-bit LPDDR4x @ 51.2GB/s16 GB 128-bit LPDDR4x @ 59.7GB/s8 GB 128-bit LPDDR4x @ 59.7GB/s16 GB 128-bit LPDDR4x 59.7GB/s
StorageMicroSD (Card not included)16 GB eMMC 5.1

Video encoder

2x 4K @ 30 | 6x 1080p @ 60 | 14x 1080p @ 30 (H.265/H.264)
2x 4K60 | 4x 4K30 | 10x 1080p60 | 22x 1080p30 (H.265)
2x 4K60 | 4x 4K30 | 10x 1080p60 | 20x 108p30 (H.264)

Video decoder

2x 4K @ 60 | 4x 4K @ 30 | 12x 1080p @ 60 | 32x 1080p @ 30 (H.265)
2x 4K @ 30 | 6x 1080p @ 60 | 16x 1080p @ 30 (H.264)
2x 8K30 | 6x 4K60 | 12x 4K30 | 22x 1080p60 | 44x 1080p30 (H.265)
2x 4K60 | 6x 4K30 | 10x 1080p60 | 22x 1080p30 (H.264)

Gigabit Ethernet

1*RJ45 Gigabit Ethernet Connector (10/100/1000)

4 * USB 3.1 Type A Connector;
1 * Micro-USB port for Device mode;
4 * USB 3.0 Type A Connector;
1 * Micro-USB port for Device mode;
4 * USB 3.1 Type A Connector;
1* USB Type-C (Device mode)
CSI Camera Connect2*CSI Camera (15 pos, 1mm pitch, MIPI CSI-2 )
Display1*HDMI Type A; 1*DP

1*M.2 Key E(WiFi/BT included)1*M.2 Key E


1*M.2 Key M

1*RTC SocketRTC 2-pin
RTC socket
Multifunctional port1* 40-Pin header

Power Requirements
DC Jack 19V 4.74A (MAX 90W)12V/5A(Barrel Jack 5.5/2.1mm)

103 mm x 90.5 mm x 31 mm130mm x120mm x 50mm


For both beginners and experts, it is designed to help you to build your next-gen autonomous machine at the edge.

Edge AI Applications

reComputer J20 series, powered by Xavier NX, are ideal for building autonomous applications and complex AI tasks of image recognition, object detection, pose estimation, semantic segmentation, video processing, and many more. 

  • Traffic management

    • license plate detection

    • car detection

    • pedestrian detection

  • Industry 4.0: 

    • helmet detection, hard hat detection, and custom PPE detection

    • visual anomaly detection using NVIDIA Deepstream IoT

  • Retail: 

    • sentiment analysis

    • retail store items detection

  • Robotics: 

    • under-ice sensing ROV

    • warehouse towing robot 

  • Edge AI into the Wild: Wildfire detection 

  • Agriculture: weeding machine, Tractors, Livestock detection 

  • Healthcare: medical imaging analysis 

Hardware Overview

The interface-rich reference carrier board

Nearly the same functional design as Jetson Xavier NX Developer Kit

Seeed carrier board for reComputer J2021 is a high-performance, interface rich NVIDIA Jetson Xavier NX compatible carrier board, providing HDMI 2.0, Gigabit Ethernet, USB 3.1 Gen2, M.2 key E, M.2 key M, CSI camera, CAN, GPIO, I2C, I2S, fans, and other rich peripheral interfaces. It has the same functional design and size as the carrier board of NVIDIA® Jetson Xavier™ NX DEVELOPER KIT.

Take advantage of the small form factor, sensor-rich interfaces, and big performance to bring new capability to all your embedded AI and edge systems.

Desktop, Wall Mount, Expandable or fit in anywhere

The back screw holes allow you to hang the product as you need. We also provide other editions case like blue, silver, and silver mental, whose stackable structure allows you to stack more middle layers to create rooms very easily.


Part List

  • 1 x Acrylic Cover
  • 1 x Aluminium Frame 
  • 1 x Jetson Xavier NX module 
  • 1 x Heatsink 
  • 1 x Carrier board 
  • 1 x 12V/5A(Barrel Jack 5.5/2.1mm) Power Adapter (Power cable not included)