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== CAT-DEV ==

==CAT-DEV==

Main Article: CAT-DEV

Main Article: CAT-DEV

The CAT-DEV was the main development system for the Wii U, featuring full debugging support, an internal hard drive of 320Gbs, and the ability to load critical games, titles, and files over a network connection, SD Card, or a USB connection. There is no Disc Drive present.

The CAT-DEV was the main development system for the Wii U, featuring full debugging support, an internal hard drive of 320Gbs, and the ability to load critical games, titles, and files over a network connection, SD Card, or a USB connection. There is no Disc Drive present.

== CAT-R ==

==CAT-R==

Main Article: CAT-R

Main Article: CAT-R

The CAT-R was much more of the "test-kit" as opposed to the more debugging, and development utility of the CAT-DEV. It did not feature an enhanced memory bank, and contained a disc drive capable of reading dev-signed discs along with it's wired connection.

The CAT-R was much more of the "test-kit" as opposed to the more debugging, and development utility of the CAT-DEV. It did not feature an enhanced memory bank, and contained a disc drive capable of reading dev-signed discs along with it's wired connection.

== CAT-R Writer ==

==CAT-R Writer==

Main Article: CAT-R Writer

Main Article: CAT-R Writer

The CAT-R writer was a disc drive capable of writing Wii-U blu-ray-like discs. No known pictures, firmwares, or information past the information listed in the SDK docs are known about this system.

The CAT-R writer was a disc drive capable of writing Wii-U blu-ray-like discs.

== CAT-R Discs ==

==CAT-R Discs==

Main Article: CAT-R Discs

Main Article: CAT-R Discs

CAT-R discs are blank discs that can have media recorded on them to be used on a CAT-R system.

CAT-R discs are blank discs that can have media recorded on them to be used on a CAT-R system.