Get into the BIOS and set the new RAM to its proper settings (1333Mhz, whaterver timings it has and voltage) by doing it manually or enabling the XMP profile.
The mobo may be trying to run it at the old RAM's setting (which are faster), and this can lead to BSOD's.
This makes sense to me. Im trying to find where it would be in the BIOS right now. Any ideas?