Kingston KVR333X64C25/512 DDR333 512MB/64x64 Original Memory
Specification:

Mfr Part Number: KVR333X64C25/512
Type: DDR
Capacity: 512 MB
Speed: PC2700 333MHz
Size & Bit: 64M x 64
Pins: 184pin
ECC: No
Registered: No
Chip: Kingston
CL2.5