wat does the CL in ram mean?

i now using a pair of CL2.5 DDR400 de. if i add in a pair of CL3 DDR400, wont have problem rite? Very Happy

CL – Clock Latency.

if use 2.5 with 3.0 no problem hor

No problems, unless your motherboard is those very picky kind.

lol ok ty