Dell Dell Memory – 4 GB – DDR3L – 4 GB – DDR3 SDRAM – 204-pin – SoDIMM

G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Desktop Memory Model F4-3200C16D-16GVKB