Microsoft is still supporting the Xbox 360 with peripherals, in this case a hard drive. A new 500GB Xbox 360 media hard drive will be going on sale this month.
“A new Xbox 360 500GB media hard drive will be available starting this month,” the representative said to Gamespot . “The Xbox 360 500GB media hard drive will be available for $109.99. We are working with retailers to revise pricing on the Xbox 360 320GB media hard drive to maintain market competitiveness, as we do on a regular basis.”
Source: Gamespot