Photos of a new Jasper mainboard for the Xbox Arcade gaming console equipped with a 4-gigabit Samsung NAND flash memory module have been leaked on an enthusiast forum recently.

The model in question seems to have been manufactured in Japan on April 9th, and uses the same Jasper platform debuted last year, albeit with twice as much onboard storage.

The original Xbox Arcade Jasper mainboard used a 2-gigabit NAND flash module that gave users about 213MB of usable internal memory, with 16MB dedicated to kernel, keyvault, Dash and other operating-system related data.
More reading:

http://www.electronista.com/