Nintendo wii Product Description
CPU: PowerPC based "Broadway" processor, made with a 90 nm SOI CMOS process, reportedly
Clocked at 729 MHz
GPU: ATI "Hollywood" GPU made with a 90 nm CMOS process, [45] reportedly clocked at
243 MHz

Memory:

 88 MiB main memory (24 MiB "internal" 1T-SRAM integrated into graphics package, 64
MiB "external" GDDR3 SDRAM)[46]
3 MiB embedded GPU texture memory and framebuffer.

Ports and peripheral capabilities:

 Up to four Wii Remote controllers (connected wirelessly via Bluetooth)
Nintendo GameCube controller ports (4) (one can be used in conjunction with four
Wii Remote units for five-player multiplayer capability)
Nintendo GameCube Memory Card ports (2)
SD memory card slot
USB 2.0 ports (2)
Sensor Bar port
Accessory port on bottom of Wii Remote
Mitsumi DWM-W004 WiFi 802.11b/g wireless module[47]
Compatible with optional USB 2.0 to Ethernet LAN adaptor
Multi-output port for component, composite or S-Video

Built-in content ratings systems:
BBFC, CERO, ESRB, OFLC, OFLC (NZ), PEGI, USK

Storage: 512 MiB built-in NAND flash memory
Expanded storage via SD card memory (up to 2 GB)
Nintendo GameCube Memory Card (required for GameCube game saves)

IBM's Wii Broadway CPU
ATI's Wii "Hollywood" GPUSlot-loading disc drive compatible with 8 cm Nintendo GameCube
Game Disc and 12 cm Wii Optical Disc
Mask ROM by Macronix

Video:
480p (PAL/NTSC), 480i (NTSC) or 576i (PAL/SECAM), standard 4: 3 and 16: 9 anamorphic
Widescreen[49]
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