
Memory Type: DDR3 PC3-10600, DDR3 (non-ECC)
Maximum Memory: 32GB
Slots: 4
Each memory slot can hold DDR3 PC3-10600 with a maximum of 8GB per slot.*
*Not to exceed manufacturer supported memory.

Memory or DRAM is the 'working' memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.

video - installing memory