Indoor AIO digital signage, 43 INCH, SERIES MB, with RK3288 processor, 4K ready, 4GB Ram, 16GB ROM, FullHD, all in one android, screen for bar & restaurants(menuboard) - DS-43MB-RK
How is performance different between 2GB and 4GB of RAM? - Quora
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LDPlayer can not use more then 4GB RAM? : r/LDPlayerEmulator