Kingston KVR533D2S4/1G 1GB D2-533 128x64 SODIMM Notebook Memory
Specification:

Mfr Part Number: KVR533D2S4/1G
Type: SODIMM
Capacity: 1GB
Speed: DDRII PC4200 533MHz
Size & Bit: 128 X 64
Pin: 200
ECC: No
Registered: No