OWC 8GB UPGRADE: Consists of a single 8GB DDR4 2400MHZ PC4-19200 CL17 1RX8 Non ECC SO-DIMM 1.2V 260-pin Memory Module 100% COMPLIANT: With JEDEC Standard Specifications ROHS Compliant Warranty Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost your PC's Performance INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty which Includes Free Tech Support by Other World Computing EASY INSTALLATION: In Most Cases Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for help.