PNY 8GB 2.666GHz PC4-21300 DDR4 SO-DIMM Unbuffered Non-ECC Laptop Memory Black MN8GSD42666 - Best Buy
DDR4 SODIMM - SODIMM - Embedded Memory - DRAM - Apacer for Industrial – Leader in industrial SSD and DRAM module
Samsung 16GB DDR4 PC4-25600 SO-DIMM – ODROID
Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
SABRENT Rocket 8GB DDR4 SO-DIMM 3200MHz Memory Module for Laptop, Ultrabook, and Mini-PC (SB-DDR8) at Amazon.com
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Team Elite 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model TED432G3200C22DC-S01 - Newegg.com