Hardware
The main unit of the Xbox 360 itself has slight double concavity in matte white or black. It features a port on the top (when vertical, left side when horizontal) to which a custom-housed hard drive unit can be attached in sizes of either 20 or 120 GB. Inside, the Xbox 360 uses the triple-core IBM designed Xenon as its CPU. Graphics processing is handled by the ATI Xenos which has 10 MB of embedded eDRAM. Its main memory pool is 512 MB in size.On February 22, 2008, Toshiba announced that it will discontinue manufacturing HD DVD equipment, which affects the Xbox 360, as it supports HD DVD format. According to Toshiba, this will help settle the war between HD DVD and Blu Ray formats.[62] On February 26, 2008, the price of the HD DVD player for the Xbox 360 dropped from $129.99 to $49.99. This comes just two days after Microsoft confirmed that they would no longer produce the HD DVD player.