Goodram 512MB PC-2100, 0.5 GB, 1 x 0.5 GB, DDR, 266 MHz, 200-pin SO-DIMM, Green Goodram 512MB PC-2100. 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: 266 MHz, Memory form factor: 200-pin SO-DIMM, CAS latency: 2, Product colour: Green