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Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory - CT8G4SFS824A at Amazon.com
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OLOy DDR4 RAM 16GB (1x16GB) 2400 MHz CL17 1.2V 260-Pin Laptop Gaming SODIMM for Intel (MD4S162417IZSC) at Amazon.com
parts-quick 8GB Memory for Acer Aspire Nitro AN515-44 Compatible DDR4 SODIMM 3200MHz RAM Upgrade at Amazon.com