This listing is for a LOT OF (6) IBM SAMSUNG 4 GB 2Rx4 PC3-10600ECC 49Y1445 47J0156. These items have beentested and are in good working condition.We’ll provide a 60-day warranty. We donot provide any additional software or any other parts with this item unlessexpressly stated above. When applicable any configuration, software, passwordissues as well as compatibility for particular purposes are Buyer’sresponsibility and are not covered by "NO DOA" warranty.