im kinda a noob when it comes to most stuff about pc, please let me know if these are the same type. one says Tested Latency: 9-9-9-24-2N, other says (9-9-9-24). what does 2n mean. http://www.amazon.com/G-Skill-F3-12800CL9D-8GBXL-PC3-12800-RipjawsX-9-9-9-24/dp/B004I763AW/ref=sr_1_1?s=pc&ie=UTF8&qid=1443774763&sr=1-1&keywords=G.Skill+F3 what i own and. http://www.amazon.com/G-SKILL-RipjawsX-240-Pin-Desktop-F3-12800CL9S-4GBXL/dp/B00741FGRA/ref=sr_1_1?s=pc&ie=UTF8&qid=1443775372&sr=1-1&keywords=G.Skill+1+x+4gb is what im looking to buy just so i can open up my browser when playing bo3 without getting any frame rate drop