IBM/Lenovo 10K0061 512MB 1X512MB SDRAM DIMM 168-pin LP 133MHz PC133 3.3V 3-3-3-6
Mushkin 512MB PC133. Internal memory: 512 MB, Internal memory type: SDR SDRAM, Memory clock speed: 133 MHz. Memory voltage: 3.3 V. Compatible operating systems: IBM-Lenovo IntelliStation IntelliStation E Pro P4 (6204-9xx,Hxx)