SimpleTech RB3200DDR/256 256MB PC3200 DDR 184pin DIMM Twice as fast as standard SDRAM memory Delivers a wicked fast gaming experience and enhanced performance for all advanced computer processing Specifically designed for use in systems requiring a 200MHz front-side bus or an effective front-side bus speed of 400MHz Maintains a transfer rate of up to 3.2GB of data per second Highest quality assurance rating available - ISO9001 Certified