AddOn AA1333D3N9/4G x1 HP VH638AT Compatible 4GB DDR3-1333MHz Unbuffered Dual Rank X8 1.5V 240-pin CL9 UDIMM
- 4 GB memory smoothly executes complex apps and games
- DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
- No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed will run them smoothly