This Dell SNPX830DC/4G compatible 4GB DDR3-1333MHz 1.5V SODIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. Our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by the Magnuson-Moss Warranty Act to not affect or void OEM warranties.

• 4 GB memory smoothly executes complex apps and games
• DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
• No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed with Unbuffered signal will run them smoothly