There are two pieces, you can also take one piece if you want
Brand: Micron
Part number: MT16KTF1G64HZ-1G6E1
Listed total capacity: 16GB (8GB × 2)
Memory type: DDR3L, low-voltage DDR3
Speed rating: 1600MHz / PC3L-12800
Form factor: 204-pin SO-DIMM
Voltage note: listing states dual-voltage V or 1.5V