Sealed Memory never used
SK hynix 8GB DDR4 SO-DIMM Laptop RAM PC4-2400T 260-Pin Non-ECC HMA81GS6AFR8N-UH
2* 8GB (16GB) V7 8GB DDR4 PC4-17000 - 2133Mhz 1.2V SO DIMM 16GB V7170008GBS
2* 8GB (16GB) V7 8GB DDR4 PC4-17000 - 2133Mhz 1.2V SO DIMM 16GB V7170008GBSGreen
Kingston 8GB DDR4 2666MHz Laptop RAM SO-DIMM PC4-21300 CL19 1Rx8 KVR26S19S8/8
Crucial 8GB DDR4 2666 260-Pin SO-DIMM Laptop Memory Model RAM
Samsung LaptopRAM 16GB (8GB×2) DDR4 SO-DIMM 3200 MHz( Samsung M471A1K43DB1-CWE)