R4 (for Slot 1 Nintendo DS Lite)

R4 Slot-1 Solution (MicroSD) is a miniature mobile Nintendo DS file manager and backup device. For backing up files, it uses a standard microSD memory card. It will allow you to run a variety of software, play games, watch movies, E-books, music and photo albums.

Features:

• 2nd generation storage device (no booting tool required).
• Flush fitting slot 1 card.
• Uses MicroSD card, FAT16 or 32.
• Supports any MicroSD card speed with no lag in game.
• Supports Clean ROM, drag and drop. Works on any OS.
• Built in NoPass.
• Automatically detects save type.
• Save directly to MicroSD card, not to onboard chip.
• Supports Moonshell and other homebrew. Open I/O interface
• User friendly skinnable interface. Touchscreen or button operation.
• Supports rumble pak and memory pak.
• Supports 4-scale-lightness adjustment (DS Lite only).
• Upgradable Firmware (OS / Bios / Kernel).
• Includes MicroSD USB reader and carry case.

Read more about it in a review here.

More information from my favourite reference site, Wikipedia.

Ja neh!!!