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Crucial RAM 8GB DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT8G4SFRA32A at Amazon.com
Timetec 8GB DDR4 3200MHz PC4-25600 CL16 1.35V Non-ECC Unbuffered Single Rank Designed for Gaming and Graphic Compatible with AMD and Intel Desktop PC Computer Memory RAM Module Upgrade (8GB) at Amazon.com