5B21B49209 8S5B21B49209. Part Number: 5B21B49209 8S5B21B49209. Celeron N4020 1.1GHz SRET0 Processor 4GB. Compatible Models: Lenovo Ideapad 3 CB-11IGL05 82BA Series. RAM 64GB eMMC Laptop Motherboard. Storage Capacity: 64GB.
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