OWC 32GB UPGRADE: Consists of a single 32GB DDR5 4800 PC5-38400 CL40 2Rx8 262-pin 1.1V SODIMM Memory RAM Module Upgrade compatible with Precision models 3470, 3571, 3581, 5570 And 5770. 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 Dell part numbers AB949335 AC258276 SNPJJ3C2C/32G SNPR62CWC/32G.