It was a celeron cpu for upgrading a friend's computer. It cost like 29 euro and I thought it was the dual core edition. It turned out to be the single-core, so instead of upgrading his PC (he had a single-core pentium), I downgraded it ahahahaha.... Paying for a downgrade. Fun fact is that the dual core had a cost like 34-35 euro at the time. It was just a mistake in terms of model number so...