techPowerUp posted a new article on the Mushkin XP2-6400 4GB CL4 Kit

Mushkin has also jumped the 4 GB DDR2 memory bandwagon and is offering these kits at tighter than usual latencies. This kit runs at 4-4-4-12 at 2.0 - 2.1V.

Mushkin XP2-6400 4GB CL4 Kit Review