KINGSTON 8GB PC3L-12800S SODIMM memory modules
204 pins
Peak transfer rate is 12,800 MB/s
low-voltage module (1.5V) also backward-compatible with standard 1.5V DDR3 slots
SO-DIMM, which is the small form-factor memory used in laptops/Some Mini Desktops
DDR3L technology 
Condition Used, Tested

One order means you receive two 8GB sticks total of 16GB