PQI Power Memory DDR400 1 GB PC3200 for Desktop 1 Not a kit (Single) (PC 3200) 184-Pin DDR SDRAM, MDAD-5000A3201 DDR 400 1GB CL2.5/3 U-DIMM Interface: SSTL_2 184 Pin DIMM Capacity: 1GB Data Transfer Rate: 3.2Gbps