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For NanoPi NEO V1.4 256MB RAM Allwinger H3 Quad Core Openwrt/LEDE/Ubuntu/Armbian Development Board with Micro-USB Cable
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NanoPi NEO Open Source H3 Development Board DDR3 RAM India | Ubuy
64 bit - Am I using more than 4 GB on my 32-bit system? - Ask Ubuntu
XUbuntu Linux running with 256Mb RAM - YouTube
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NanoPi NEO Development Board Open Source H3 Quad-Core Cortex-A7 Ubuntu Openwrt Armbian Blue Kits 256MB DDR3 RAM | Lazada
Orange Pi Zero LTS AllWinner H3 Quad-Core A7 High-Performance Processor with 512MB DDR3 RAM, Open-Source Single Board Computer, Run Android, Ubuntu, Debian OS ect (Zero LTS) : Amazon.ca: Electronics
Ubuntu Mobile on an OLPC XO | eclecticc
5 Best Linux distributions that run entirely from RAM and require no more than 256MB of RAM to run as of 2023 - Slant