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Memory RAM | 4GB - HP - HPE EliteBook 840 G1 - (OEM-# H6Y75AA, H6Y75AA#AC3) - 1600MHz, Unbuffered, 1,35V
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Upgrading Memory RAM in HP 840 G1 EliteBook, 840 G2 or 840 G3 - YouTube
Memory RAM | 4GB - HP - HPE EliteBook 840 G1 - (OEM-# H6Y75AA, H6Y75AA#AC3) - 1600MHz, Unbuffered, 1,35V
