There is nothing special about a generic 500GB USB 3.0 external hard drive anymore, you can get them from a wide variety of storage providers and neither the size nor the interface are particularly unique.  Seagate saw that as a challenge and met it with the GoFlex Satellite, which sports WiFi so that you don’t need to attach it the device you want to access the data from and it has an internal battery so you don’t need to plug it into a power source either.   Legit Reviews grabbed one to review and you can find the results right here.

"The Seagate GoFlex Satellite is more than just a shell on a 2.5" 500GB notebook hard drive supporting USB 3.0 connectivity with an external power brick. This drive has its own battery supply and integrated 802.11n wireless access point all in the same form factor as other external drives in the GoFlex line. I was amazed by how easily and quickly I was able to use this product right out of the box. It was a simple operation to move content on to the GoFlex and stream it back off to any wireless device…"

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