AddOn 512MB Industry Standard PC-133MHz UDIMM - SDRAM - 512 MB - DIMM 168-pin - unbuffered

This Industry Standard 512MB PC-133MHz Dual Rank Unbuffered 3.3V 168-pin CL2.5 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 memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. The products are also guaranteed by federal law to not affect or void OEM warranties.