The Xiaomi Mi 9 Pro has the following technical specifications for the motherboard:
a) Processor: Qualcomm Snapdragon 855+
b) RAM: 6GB/8GB/12GB LPDDR4X
c) Storage: 128GB/256GB/512GB UFS 3.0
d) SIM: Dual-SIM, Dual Standby (Nano-SIM)
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