First green RAM (Yongxinsheng): Manufacturer: Yongxinsheng Type: DDR4 (PC4-17000) Size (Capacity): 4 GB (inferred from the code 4G at the end of the model). Speed (Frequency): 2133 MHz. Latency: CL15. Voltage: 1.2V. Second black RAM (Kingston HyperX): Manufacturer: Kingston (HyperX Fury series) Model: HX426C16FB3/8 Type: DDR4 Size (Capacity): 8 GB. Speed (Frequency): 2666 MHz. Latency: CL16. Voltage: 1.2V.