Nintendo wii Nintendo wii specification : Description Cpu Custom-built ibm, "broadway" Gpu Custom-built ati, "hollywood" Sram Mosys-developed 1t-sram Input/output 2 usb 2.0 ports 4 gamecube controller ports 2 512 mb flash memory slots (sd card compatible) Max resolution 480p Game format 12 cm wii disc, 8 cm gamecube disc 4.7 gb (or 8.5 gb dual layer) Controllers Supports at least 4 wireless controllers Wireless connectivity Wi-fi ieee 802.11 b/g Bluetooth 2.0 (edr) Other features "virtual console" for retro games One proprietary component/digital out located on the rear of the system