ADATA 512MB PC3200, 0.5 GB, 1 x 0.5 GB, DDR, 400 MHz, 200-pin SO-DIMM ADATA 512MB PC3200. Component for: Laptop, Internal memory: 0.5 GB, Memory layout (modules x size): 1 x 0.5 GB, Internal memory type: DDR, Memory clock speed: 400 MHz, Memory form factor: 200-pin SO-DIMM, CAS latency: 3