This HP® 4VN06AA#ABA compatible 8GB DDR4-2666MHz single rank x8 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. 8 GB memory allows you to have more programs open at a timeDDR4-2666/PC4-21300 interface synchronizes electrical and clock signals for an efficient data transfer rateUp to 2666 MHz speed with Unbuffered signal and CL15 latency for playing the latest games and using heavy software