CMS 16GB (1X16GB) DDR4 19200 2400MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® IdeaPad 330-15ICH, 330-15ICN, 330-15IKB, 330-15IKB, 330-15IKB Touch - C107 at Amazon.com
ESHAKHARE 330S-15IKB motherboard For LENOVO Ideapad 330S-15IKB Mainboard 5B20R07295 I5-8250U With 4G RAM 100% test work - Price history & Review | AliExpress Seller - YIXUAN Tech Store | Alitools.io
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Lenovo Ideapad 330S RAM Upgrade
A-Tech 16GB Module for Lenovo IdeaPad 330S-15IKB Laptop & Notebook Compatible DDR4 2666Mhz Memory Ram (ATMS277099A25832X1) at Amazon.com