 "Corsair Vengeance Blue CMZ4GX3M1A1600C9 4GB 1X4GB DDR3-1600 CL9-9-9-24 Memory" Memory - CMZ4GX3M1A1600C9B NCIX"
 Quick Specs: CAS Latency CL9 Compatibility Desktop Number of Modules 1 x 4 GB Number of Pins 240-pin Limited Warranty Lifetime Form Factor DIMM Memory Speed 1600 MHz Memory Size 4 GB Memory Technology DDR3 SDRAM Memory Standard DDR3-1600/PC3-12800 Memory Voltage 1.50 V ProductId 1019511862
 "Crucial SO-DIMM 204-pin 4 GB DDR3L SDRAM" " Crucial SDRAM - CT51264BF160B System Memory (RAM) CDW.com
"Help your laptop perform at its best. Designed to help your laptop run faster and smoother, a Crucial memory upgrade is one of fastest, most affordable, and easiest ways to improve your system's performance. Crucial memory empowers your laptop to achieve faster application loading times, faster system responsiveness, and increased ability to multitask and handle data-intensive programs. What does this mean? Spend less time staring at loading screens and more time getting stuff done. Crucial laptop modules are rigorously tested at both the component and module levels to ensure that your memory meets the stringent compatibility and performance standards. Every module Crucial manufactures is inspected by the Systems Compatibility Group before it leaves the doors. At a fraction of the price of your laptop, an investment in Crucial memory helps your system get up to speed." 