This HP® X2E91UT Compatible 16GB DDR4-2133MHz Dual Rank Unbuffered 1.2V 260-pin CL15 SODIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM warranties.

• 16 GB bar will run multiple applications together and enhance your computer's performance
• DDR4-2133/PC4-17000 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
• No matter how heavy and numerous the applications that you are using, 2133 MHz memory speed with CL15 latency will run them smoothly