2-Power - DDR2 - module

1 GB - SO-DIMM 200-pin - 533 MHz / PC2-4200 - CL4 - 1.8 V - unbuffered - non-ECC - for IBM ThinkPad R52; T43; X41; Lenovo ThinkPad R51; R52; T43; X41; X41 Tablet; Z60