The Crucial 16GB DDR4 2133 MHz UDIMM Memory Module speeds up your desktop or workstation with 16GB of memory. It runs at a rate of 2133 MHz and has a CAS latency of 15. It is an Unbuffered DIMM module that comes with ECC, which detects and corrects data corruption. When compared to DDR3, DDR4 memory processes data faster while requiring only 1.2V of power. In addition, Crucial has outfitted the dual-ranked memory module with x8-based chips.