SimpleTech S128J3NGA1 128MB PC2100 Non-ECC DDR 200pin SODIMM Viable alternative to the OEM part M8206LL/A Twice as fast as standard SDRAM memory Delivers a wicked fast gaming experience and enhanced performance for all advanced computer processing Maintains a transfer rate of up to 2.1GB of data per second Highest quality assurance rating available - ISO9001 Certified