At OWC we want your Mac to perform faster and last longer. That’s why we engineer memory specifically tested and optimized for Mac. There’s OWC memory for nearly every upgradeable Mac. Plus we make it easy to upgrade by yourself with step-by-step install videos and included toolkits. It’s the easiest and most affordable way to improve your Mac’s performance. OWC memory is specifically engineered for compatibility with your Mac. We start with the highest-quality components and then create memory to the exacting speed capacity and programming specifications of nearly every upgradeable Apple computer. The result is JEDEC-compliant memory that’s a perfect fit for a faster Mac. FEATURES: DDR3 1867MHz SO-DIMM Single Module iMac Compatible RoHS Certified OWC Memory Lifetime Limited Warranty SPECIFICATIONS: Technology: DDR3 SO-DIMM 204 Pin Density: 8GB (8192MB) RoHS Certified: Yes Pin Count: 204-pin Op. Temp.: 0°C to +85°C Data Rate: DDR3-1867 Speed: PC3-14900 CL: 11 Voltage: 1.35V Low Noise 8-Layer PCB ECC: Non ECC Module Ranks: Dual Rank WHAT'S IN THE BOX: OWC Mac 8GB DDR3 1867MHz SO-DIMM module - Blue x1