1GB Memory for Dell Dimension C521 PC 1 GB (4050871680838) - 1 GB New product sold by a professional on-site Amazon.fr - 1GB memory fit - Dell - Dimension C521appareil / Memory Information Memory Standard: 512MB éliminablemémoire Maximum: 4GBposte plug: 4numéro original. A0534020 model number of the article. EMDEL1GB4306