2P-KTD-XPS730B/4G - 2-Power - DDR3 - module

4 GB - DIMM 240-pin - 1333 MHz / PC3-10600 - CL9 - unbuffered - non-ECC - for Dell OptiPlex 580, 980; Precision T1500, T3500; Studio XPS 7100, XPS 8100; Vostro 430