4GB DDR4 Memory 2400 MHz SO-DIMM, 204 pin DIMM RAM Upgrade for MINIX NEO J50C-4 Serial Windows Mini PC, Sold by MINIX Technology Limited. at Amazon .com
Samsung 8GB KIT(2 x 4GB) DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module M471A5244CB0 at Amazon.com