AddOn AA1333D3S9/4G x1 Lenovo 55Y3708 Compatible 4GB DDR3-1333MHz Unbuffered Dual Rank 1.5V 204-pin CL9 SODIMM
- 4 GB memory allows you to have more programs open at a time
- 204-pin-pin DDR3-1333/PC3-10600 interface synchronizes electrical and clock signals for an efficient data transfer rate
- Up to 1333 MHz speed for smooth computer performance