Hyper X HX424S15IBK4/16 is a kit of four 512M x 64-bit (4GB) DDR4-2400 CL15 SDRAM (Synchronous DRAM) 1 Rx 8, memory modules, based on eight 512M x 8-bit DDR4 FBGA components. Total kit capacity is 16GB. Each module supports Intel® Extreme Memory Profiles (Intel® XMP) 2.0. This module has been tested to run at DDR4-2400 at a low latency timing of 15-15-15 at 1.2V.