AddOn 4GB DDR4 SDRAM Memory Module - 4 GB (1 x 4GB) DDR4 SDRAM - 3200 MHz Single-rank Memory - CL17 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM - Lifetime Warranty

This HP® 13L78AT compatible 4GB DDR4-3200MHz single rank x8 unbuffered 1.2V 288-pin CL17 UDIMM 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.