24GB ( 3 X 8GB) DDR3 PC3-10600R 1333MHz CL9
1.5V 2RX4 240PIN ECC REGISTERED DIMMS. THEASE ARE GUARANTEED TO
WORK WITH YOUR DELL PRECISION T5500 AND R5500.
***These are ecc registered dimms and will not with regular desktop computers***
This memory has a lifetime replacement warranty.