Up for bid is an early production run (batch # V135) of 12900k in the original sealed box. I can't guarantee avx-512 functionality because of several hardware requirements. I can guarantee this cpu was built before any avx-512 disabling talk even started. 20% restocking fee if open. No APO or FPO addresses. Seller reserves the right to not accept offer for reasons pertaining to recently opened accounts and/or very low feedback numbers. Will ship for free within 48 hours of payment. Detailed photos will be taken of condition of box and Serial # will be be taken before shipment. Buy with confidence. Seller has been on eBay since 2007