OWC 32GB (4 x 8 GB) 1867 MHZ DDR3 SO-DIMM PC3-14900 204 Pin CL11 Memory Upgrade<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 32.0 GB (4 x 8 GB) 1867 MHZ DDR3 SO-DIMM PC3-14900 204 Pin CL11 Memory Upgrade </span></li><li><span class="a-list-item"> Memory upgrade kit For 2015 (Late) iMac 27" w/ Retina 5K models (October 2015) Model ID:iMac17，1: 3.2GHz i5， 3.3GHz i5， 4.0GHz i7 </span></li><li><span class="a-list-item"> OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program </span></li><li><span class="a-list-item"> Product Specs: Technology: DDR3 SO-DIMM RoHS: Yes Pin Count: 204-pin Op. Data Rate: DDR3-1867 Speed: PC3-14900 CL: 11 Cycle Time: 1.875ns Voltage: 1.35V ECC: Non ECC Module Ranks: Dual Rank Register: Non Parity. </span></li><li><span class="a-list-item"> Low Noise 8-Layer PCB Meets and/or Exceeds Apple/Intel Specifications. Fully Compliant with JEDEC specification. RoHS Certified </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ue-ZwF%2B8L.jpg" noproxy>