These were pulled from working T3500 computersGenuine Dell Precision T3500 CPU Cooling Heatsink 0U016F, TESTEDIn excellent working condition. Item may show signs of normal wear and use. Please note: If item is returned under "Buyer's Remorse" you will be charged a 20% restock fee and the cost of return shipping. If item is not sent back in original packaging these fees will also apply. If item is not returned in condition it was sent these fees will also apply. No exceptions. Free returns only when item is defective, missing parts, item not as described or wrong item sent.