If you purchased an Intel® Boxed Processor from a retailer, the processor has a Boxed order code. This product includes a processor, manual, sticker, and fan-heatsink, and comes with an Intel three-year warranty. Intel provides technical support and warranty services for these processors.
Tray processors have an OEM order code and are sold directly to system manufacturers who integrate the processors in their systems. The system manufacturers provide technical support and warranty services directly to the customer.