Free Express Shipping! Patriot 64GB Viper Venom DDR5 5600 MHz UDIMM Memory Kit (2 x 32GB) 64GB (2 x 32GB) Capacity, 5600 MHz Clock Speed, PC5-44800, 288-Pin UDIMM, 1.1V, CAS Latency = 40, Unbuffered, On-Die ECC, Thermal Sensor