4GB (1x4GB) DDR4-2400MHz PC4-19200 1Rx16 1.2V SODIMM Memory for Laptop, Notebook by NEMIX RAM at Amazon.com
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
parts-quick 4GB Memory for Lenovo IdeaPad S145 Compatible RAM DDR4 2400MHz SoDIMM at Amazon.com