As you might expect overclocking the modules gives more bandwidth to play with but it also shows the limitations of the Ballistix 4GB modules.

The fastest stable speed we could get them to run at was just 200MHz above stock speed due to the voltage limitations of the memory chips.

Memory bandwidth

Crucial ballistix ddr3 1600mhz 4gb benchmarks

File decompression

Crucial ballistix ddr3 1600mhz 4gb benchmarks

Overall memory performance (avg thousand particles/second)

Crucial ballistix ddr3 1600mhz 4gb benchmarks