Apacer 512MB 184Pin DDR SDRAM Non-ECC DDR400 (PC 3200) Notebook Memory
Specifications:

Speed: 400 MHz
Memory: 512 MB
Type: 200-pin
Error Checking: Unbuffered
Cas Latency: 3.0
Support Voltage: 2.5V
Bandwidth: 3.2 GB/s
Organization: 32M x 64
Warranty: Lifetime Direct Manufacturer Warranty