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OnePlus announced a long-term partnership with high-performance British carmaker McLaren and the first device to come from this relationship is the OnePlus 6T McLaren Edition. As a "Salute to Speed" - which is the tagline for this product - the McLaren Edition brings 10GB of RAM with an already fast and powerful Snapdragon 845 CPU.
Source: https://www.gsmarena.com/oneplus_6t_mclaren_edition-review-1868.php