Can you run 1333 and 1066 ram chips together

sprouse

Honorable
May 13, 2012
3
0
10,510
Hello,
my toshiba laptop has 2gb of memory now and can go up to 8gb .the chip in there is a pc3 8500 ddr3 1066 mhz i ordered another 2gb chip to move up to 4 gb of ram but the chip i ordered is a ddr3 1333 i did not look at my chip before i ordered and now are these 2 chips ok to put together? or should i call and change the chip to match the one in my computor.