Crucial 8GB Single DDR4 2133 MT/s (PC4-17000) DR x8 SODIMM 260-Pin Memory - CT8G4SFD8213 at Amazon.com
CMS 4GB (1X4GB) DDR4 19200 2400MHZ NON ECC SODIMM Memory Ram Compatible with HP/Compaq G2 Desktop Mini PC 260, G3 Desktop Mini PC 260 - C105 - Walmart.com
Crucial 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Laptop Memory Model CT2K8G4SFS832A - Newegg.com