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The 8GB Viper 4 DDR4 3400 MHz UDIMM Memory Kit (2 x 4GB) from Patriot comprises a set of two modules each of 4GB capacity, with a total of 8GB memory. These modules run on 1.35V and offer 3400 MHz clock speed. The Viper 4 utilizes a custom-designed, high-performance heat shield for enhanced heat dissipation, ensuring optimal performance even while using taxing applications.