 "Crucial 8 GB SO-DIMM 204-pin DDR3L SDRAM" " Crucial SDRAM - CT102464BF160B 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." 
 "Kingston KVR16N11S8K2/8 8GB 2X4GB Kits 1600MHz Non-ECC CL11 DIMM Sr X8" X8 - NCIX"
 Quick Specs: CAS Latency CL11 Compatibility https://www.ec.kingston.com/ecom/configurator_new/models.asp?System=&Distributor=0&OriginalSysPN=&Manufacturer=&KTCPartNo=KVR16N11S8K2%2F8&root=&LinkBack=&submit1=Click+Here Error Checking Non-ECC Number of Modules 2 x 4 GB Number of Pins 240-pin Signal Processing Unbuffered Form Factor DIMM Memory Speed 1600 MHz Memory Size 8 GB Memory Technology DDR3 SDRAM Memory Voltage 1.50 V ProductId 1023384592 Product Warranty First 30 days limited warranty through NCIX.com. The remainder of the lifetime warranty is provided directly by the manufacturer. Kingston Contact Information - Tech Support Phone +1 (800) 435-0640 RMA Phone +1 (800) 337-3719