Model: Lenovo ThinkCentre M900 Tiny. Lenovo ThinkCentre M900 Tiny PC. Storage: 500GB 2.5" SATA HDD. 500GB HDD, 4GB RAM installed. Motherboard: Lenovo 30D0 – PC0KHBTC. RAM: 4GB DDR4 (1 of 2 slots populated – upgradeable).
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