This Dell SNP531R8C/4G compatible 4GB DDR3-1600MHz Single Rank Unbuffered 1.35V 240-pin CL11 UDIMM 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. All 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 federal law to not affect or void OEM warranties.

• 4 GB memory smoothly executes complex apps and games
• DDR3-1600/PC3-12800 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
• Up to 1600 MHz speed with CL11 latency for smooth computer performance