Crucial 8GB DDR3 1333 MHz PC3-10600 2Rx8 SODIMM Laptop Memory RAM (CT8G3S1339M)

Rank 2Rx8 (Dual Rank x8 based). Crucial Partnumber. Class DDR3. Capacity 8GB. Kit Capacity 8GB. Your computer loads a program or file you select from the hard drive in to your computers RAM, then it will access each bit of data from there.