You will get 4 sticks (4x 4GB each ==>> total 16GB) - each lot of 4 will be same brand and type; if you purchase multiple lots, they will be lots of 4 with same brands of types.

4GB PC3L-12800S SoDIMM DDR3-1600Hz Memory RAM 1Rx8

No-ECC, unbuffered, low voltage RAM, RAM made by

Hynix, Samsung, Micron, Kingston, Crucial, Ramaxel, Alldata  or other main brand

Used by Dell, HP or Lenovo Laptop/notebook or USDT/Mini PCs

Perfect working order.