Dell Inspiron N5110 Intel Core i7-2670QM CPU @ 2.20GHz, 4GB RAM, 1000GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
CMS 2GB (2X1GB) DDR1 2100 266MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Inspiron 5100, 1100, 1150, 4150, 8200, 8500 - A49 at Amazon.com
Dell Inspiron 15R N5110 Memory Replacement Video Tutorial - YouTube