• Homepage: ezflash.cn
• Detailed specs: gbatemp.net
• Specs and some tutorials: cyclods.theta.in

The EZFlash 3in1 is a GBA-cartridge for the Slot2 of the NDS which provides the following features:

• RAM expansion (e.g. for DS Opera Browser)
• Rumble pack
• 32 MiB Flash memory
• 16 MiB SRAM
• 512 KiB battery powered SRAM for savegame data