RAM & Memory Upgrades
2GB DDR2 533MHz PC2-4200 214-PIN MICRODIMM MEMORY RAM COMPATIBLE WITH LAPTOPS/NOTEBOOKS
SIZE/CAPACITY: 2GB VOLTAGE/POWER CONSUMPTION: 1.8v CAS LATENCY: CL4 SPEED: PC2-4200 (533MHz) TYPE/INTERFACE: 214-PIN DDR2 MICRODIMM 214-PIN DDR2 MICRODIMM
https://www.bizrate.co.uk/ram_memoryupgrades/2gb-ddr2-533mhz-pc2-4200-214-pin-oid34526829912.html