OWC 32GB UPGRADE: Consists of a single 32GB DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V Non-ECC Unbuffered DIMM Memory RAM Module Upgrade compatible with Lenovo ThinkCentre models M80s Gen 3, M80t Gen 3, M90s Gen 3, M90t Gen 3 And neo 70t Gen 3. 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 4X71K53892.