Although Nintendo itself has released few official technical details regarding the Wii system, some unconfirmed key specifications have been leaked to various sources. These include:
Processors
- CPU: PowerPC based "Broadway" processor, made with a 90 nm SOI CMOS process, clocked at 729 MHz
- GPU: ATI "Hollywood" GPU made with a 90 nm CMOS process, clocked at 243 MHz
Memory
- 88 MiB main memory (24 MiB internal 1T-SRAM integrated into graphics package, 64 MiB external GDDR3 SDRAM)
- 3 MiB GPU texture memory
Storage
- 512 MiB built-in NAND flash memory
- Expansion available via SD card memory
- Nintendo GameCube Memory Cards (for saving GameCube games only)
- Slot-loading disc drive compatible with 8 cm GameCube optical disc and 12 cm Wii Optical Disc
- Mask ROM by Macronix
Video
- Up to 480p (PAL/NTSC) or 576i (PAL/SECAM), standard 4:3 and 16:9 anamorphic widescreen
- Component (including Progressive scan), RGB SCART (PAL only), S-Video (NTSC only), composite output, or D-Terminal
Audio
- Main: Stereo - Dolby Pro Logic II-capable
- Controller: Built-in speaker
Built-In Content Ratings Systems
- BBFC
- CERO
- ESRB
- OFLC
- OFLC (NZ)
- PEGI
- USK
Ports and Peripheral Capabilities
- Up to four Wii Remote controllers (connected wirelessly via Bluetooth) - five player capability using up to four Wii Remotes and at least one Nintendo GameCube controller
- SD memory card slot
- 2 USB 2.0 ports
- Sensor Bar port
- Accessory port on bottom of Wii Remote
- 4 Nintendo GameCube controller ports
- 2 Nintendo GameCube memory card ports
- Mitsumi DWM-W004 WiFi 802.11b/g wireless module
- Compatible with optional USB 2.0 to Ethernet LAN adaptor