OWC 16GB UPGRADE: Consists of a single 16GB DDR5 5600 PC5-44800 CL46 1Rx8 262-pin 1.1V SODIMM Memory RAM Module Upgrade compatible with Lenovo Legion Pro models 5 16IRX9 And 7 16IRX9H. 100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs. EASY INSTALLATION: In Most Cases, Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for Help. INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing. Replacement for Lenovo part number 4X71M23187.