i have the Dell Dimension 8400 but i don't know an awful lot so please forgive me, i hav 512 ram isit possible to add a 1GB 240Pin 533 DDR2 RAM DIMM 1.8V in the black slots of my hardrive? thank you. :!:
no it is not possible. only the new generation of dell's may support ddr2.
your system is quite a few years old. it may only support ddr ram