All three can play media (movies, music and photos) from a local wired or wireless network, or from an attached USB device.
The main difference between the three are in the physical dimensions of the device, and an additional internal storage option: The small and fan-less Sidewinder has room for one 2.5" internal hard disk; The bigger and fan-cooled Pro has room for two 3.5" hard disks, and the DVD has a DVD drive.
[6] eTRAYz is a NAS enclosure, i.e., a device that contains hard disks and serves their content on the local network, to be played by other streamers.
Although Xtreamer offers a variety of products on its online store, many concerns about its poor customer support were expressed during the years.
The company is known for its ignoring of customers who needed support after buying a product [7] and deleting complaint messages from its forums or Facebook page.