AddOn AA1333D3N9/4G x1 Lenovo 89Y9224 Compatible 4GB DDR3-1333MHz Unbuffered Dual Rank 1.5V 240-pin CL9 UDIMM
- 4 GB of memory to refine your computer's performance
- 240-pin-pin DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
- Up to 1333 MHz speed with Unbuffered signal and CL9 latency for smooth computer performance