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Synology RAM DDR3L-1866 SO-DIMM 4GB (D3NS1866L-4G) at Amazon.com
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Amazon.com: SAMSUNG XE350XBA-K01US Chromebook 4 + Chrome OS 15.6" Full HD Intel Celeron Processor N4000 4GB RAM 32Gb Emmc Gigabit Wi-Fi, Silver : Electronics
Micron MTA4ATF51264HZ-2G6E1 Non ECC PC4-2666V 4GB DDR4 at 2666MHz 260pin SDRAM SODIMM Single Kit Laptop Memory - OEM at Amazon.com
OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com