HyperX HX442C19PB3K2/16 is a kit of two 1G x 64-bit (8GB) DDR4-4266 CL19 SDRAM (Synchronous DRAM) 1Rx8, memory module, based on eight 1G x 8-bit FBGA components per module. Each module kit supports Intel Extreme Memory Profiles (Intel XMP) 2.0. Total kit capacity is 16GB. Each module has been tested to run at DDR4-4266 at a low latency timing of 19-26-26 at 1.4V. The SPDs are programmed to JEDEC standard latency DDR4-2400 timing of 17-17-17 at 1.2V. Each 288-pin DIMM uses gold contact fingers. The JEDEC standard electrical and mechanical specifications are as follows: Specification:- JEDEC: DDR4-2400 CL17-17-17 @ 1.2v- XMP Profile 1: DDR4-4266 CL19-26-26 @ 1.4v- XMP Profile 2: DDR4-4000 CL19-21-21 @ 1.35v- Lifetime Warranty.