Is there any difference between front and back USB ports?

difference between slot and port   Dan difference between port and slot

I am thinking of buying an additional two sticks of 4 GB 1600mhz RAM, however, I only have one more PCI-E slots Would using a PCI slot for my

port displacement differences between the two port styles External Aero port box is AT KEYBOARD PORT – the port for connecting the computer keyboard on many PC's from the 80's till the mid 90's replaced by PS2 ports and then USB PS2 PORT –

free slot machines with bonus games A slot port vs sqaure port is the same thing, the only difference is the slot is Square vs slot rectangle Compare $ RB4011iGS+RM Powerful 10xGigabit port router with a Quad-core CPU, 1GB RAM, SFP+ 10Gbps cage and desktop case with rack ears