seems a good price for a good set of corsair xms3 ram. 1.5V @ 1333mhz makes it very overclockable by cranking voltage up to 1.65+V. also has the very popular DHX heatspreader and corsair's lifetime warranty. free delivery via avforums.
The TW3X4G1333C9DHX is a 4096MByte matched pair of DDR3 SDRAM DIMMs built using Corsair's latest high performance heat sink with Dual-Path Heat Xchange (DHX) technology. This part delivers outstanding performance in the latest generation of dual-channel DDR3-based motherboards. It has been tested extensively in popular DDR3 motherboards to ensure compatibility and performance at its rated speed. This memory has been verified to operate at 1333MHz at the low latencies of 9-9-9-24.