8gb Ddr3 Ram 1600/1333/1866 Mhz 204pin 1.35v/1.5v 2r*8 Double Model Sodimm Memory For Laptop - Rams - AliExpress
Difference between DDR3 and DDR4 - GeeksforGeeks
DDR3 Memory Frequency Guide | AMD
How to Check Your RAM Frequency
G.SKILL Releases The World's Fastest DDR3 32GB (8GBx4) Memory at 3000MHz Extreme Speed Designed for 4th Gen Intel Core Processors and Z87 Motherboards - G.SKILL International Enterprise Co., Ltd.
Glorious DDR3 frequency vs latency comparison chart : r/pcmasterrace