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“The World’s First Modular Network Appliance,” a headline announces as you click into xUSB’s website.  And although it’s notable for that alone, it’s still an impressive piece of gear on its own merits.

Designed and produced by vUnity, the xUSB is a versatile modular network bonding appliance.   It has a 1u network chassis with support for 8 modular cards and a split-backplane for built-in failsafe reliability.  It can support both gigabit Ethernet and ADSL2+, which can be mixed and matched in any configuration.  It also features advanced cooling, as well as SATA and USB connectors.

It’s compatible with most major DSLAMS and ADSL standards, and is guaranteed to work with Megapath, Verizon, and AT&T internet service.  In addition, it also works with almost any operating system, from Windows to open-source OSes like Linux and VyOS.  It’s also compatible with a host of other free programs like pfSense.

It’s extremely useful for loop tests as well, as it provides an onboard relay that can disconnect the physical copper from the DSL modem, saving an operator the trouble of having to manually unplug it.

“You can’t have a modern business without great connectivity,” says CEO Brian Brandon.  “We needed an appliance that could accept multiple network connections.  The world is moving away from singe circuits and towards everything on the cloud.  So instead of having one network connection, let’s have multiple network connections.”

Its killer feature, however, is its reliability.  It features a dual-backplane, so that if one of the backplanes fails, the chassis itself has built-in failsafes. It has a split backplane for built-in failsafe operation.

It’s still very new—it just went on sale to the public last week.  However, vUnity has expressed an intention to make the xUSB’s plans open-source, all part of an ongoing campaign to democratize bonded networking, making it more easily accessible for new innovators and providers to get into.