Kingston HyperX HX421S13IB/16 is a 2G x 64-bit (16GB) DDR4-2133 CL13 SDRAM 2Rx8, memory module, based on sixteen 1G x 8-bit DDR4 FBGA components. Each module supports Intel Extreme Memory Profiles (Intel XMP) 2.0. This module has been tested to run at DDR4-2133 at a low latency timing of 13-13-13 at 1.2V.

Note
The PnP feature offers a range of speed and timing options to support the widest variety of processors and chipsets. Your maximum speed will be determined by the motherboard BIOS.