What were these memory slots used for? Obviously memory stick duo was for psp, but what about the SD and CF ones? I didn't even know what CF was until now :
Amazon.com: 2FT Replacement 2 Prong AC Power Cable - 18 AWG 2 Slot Non-Polarization Figure 8 Power Cord Compatible with Xbox Series X/S, Xbox One S/ X PS4 PS3 PS2 Slim Game
The PS3 versions side by side
Sony PlayStation 3 Gaming Console with 60GB HDD - Walmart.com
Datel creates PS3 add-on with extra USB ports, memory slot | VG247