For firmware, I took a Sony HG 8Gig memory card original, this is plus 1000 to the price of the set-top box. The volume is sufficient if you do not store dozens of heavy games. On average, one game is from 500 to 1500mb. 12-18-2022: Chinese adapter and micro-SD -> MSDuo and a 32Gb(class10) card significantly increase the number of games, but the speed of the console with the card is clearly slower than the original MSDuo.
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