|DDR3 is a fast type of SDRAM, which itself is a fast type of DRAM. |
DRAM: Dynamic Random Access Memory
SDRAM: Synchronous DRAM.
DDR3 SDRAM: 3rd version of Double Data Rate SDRAM
mATX Beast | LGA2011 i7-3930K @ 4.2GHz | 16GB quad-channel DDR-1866 | GTX 670
240GB SSD+2TB HDD | Asus Rampage IV Gene | Seasonic X560 | Silverstone TJ08-E