eMMC vs. SSD storage: What's the difference? | Windows Central
ZWO ASIAIR Plus Wi-Fi Smart Camera Controller (with 256GB eMMC Memory)
Orange Pi - Orangepi
256GB Emmc nand verified working [link to guide in comments] : r/SwitchHaxing
Amazon.com: Orange Pi 5B 16GB Rockchip RK3588S with 256GB eMMC 8 Core 64 Bit WiFi6,BT5.0 Single Board Computer, 2.4GHz Frequency Open Source Board Run Orange Pi OS,Android,Debian(OPi 5B 16G256G+5V4A TypeC Supply) :
M1K Intel Celeron J4125 Windows 10 Pro Mini PC Stick 8GB LPDDR4 128GB/256GB eMMC MINI Pocket Computer – Minixpc