Corsair Dominator GT DDR3 2000 Mhz MATCHED PAIR RAM DRAM Memory. A high-quality memory kit designed for performance-driven computing. With a total capacity of 8GB spread across two 4GB modules, this DDR3 SDRAM memory is perfect for boosting the speed and efficiency of your system. These came from a running system and passed memory tests. 5 4/16 in long x 2 2/16 in tall with heat sinks.