So my situation is this, I've got 4GB(2x2) and plannig to add another 2x2GB soon
The ones i've got are Hynix HMT325U6CFR8C-H9, basically 2x2GB, 1333MHz, CL9 and planning to add(most likely) Corsair CMV4GX3M2A1333C9 (also 2x2GB, 1333, CL9). I can't get another Hynix, since they're from some DELL...