OWC 1866MHz DDR3 SO-DIMM

OWC 8.0GB UPGRADE: Consists of Two 4GB DDR3 1866MHz PC3-14900 CL13 SO-DIMMs 1.35V 204-pin Memory Module Mac qualified COMPATIBLE WITH: 2015 (Late) iMac 27" w/ Retina 5K models (October 2015) Model ID:iMac17,1: 3.2GHz i5, 3.3GHz i5, 4.0GHz i7 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed All MAC Specifications for iMac and PC Laptops COMPATIBLE PART NUMBERS: CT51264BF186DJ, CT4G3S186DJM, INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost the Performance in Your Mac Pro INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing