This is a Firm Fixed Price (FFP) solicitation from Brookhaven Science Associates (BSA) for the procurement of one AdvaPix TPX3 CdTe detector, including software and a one-year warranty, to be delivered to Brookhaven National Laboratory. The awarded contract will be based on the lowest total price from a responsible offeror meeting all technical requirements, with pricing valid for 60 days. All costs, including freight, tariffs, and packing, must be included in the item price, as no separate line for extra fees will be added to the purchase order. Offerors must be registered in the System for Award Management (SAM) and provide a Unique Entity Identifier, a published price list, and prior pricing documentation. The location for performance is Brookhaven National Laboratory, and quotes are due by 5:00 PM EST on June 1, 2026.