DDR1, DDR2, DDR3 and DDR4 RAM: what are the differences?
16GB (2 x 8GB) RAM 240-Pin DDR3 2RX8 DIMM CL11 SDRAM DDR3L 1600 (PC3L 12800) Desktop Memory Model CT2K102464BD160B Compatible With ASUS Maximus IV Extreme by Crucial RAM System Specific Memory - Newegg.ca
DDR2 vs DDR3 Memory - Difference between DDR2 and DDR3 RAM