Iomega's new USB 3.0 portable hard drives are completely backward compatible with personal computers and other devices that only have USB 2.0 ports.
ENGADGET: Iomega pushes ahead with USB 3.0 transition, promises to keep drives at USB 2.0 prices
Backward compatible with USB 2.0, G-Technology's USB 3.0 drives deliver speeds 10 times faster than USB 2.0 and six times faster than FireWire 800.
ENGADGET: G-Technology kicks out USB 3.0 G-Drives for Macs, keeps your Retina MacBook Pro well-fed
Nintendo introduced its first major revision to the Game Boy in 1998 with the Game Boy Color, which, not surprisingly, offered a color screen, case, and better graphics capabilities while still being backward compatible with the enormous library of Game Boy titles.
And all of a sudden your relatively old refrigerator or air conditioner doesn't work because the new operating system isn't backward-compatible with the systems in these devices.
The Aircell Smartphone will be backward-compatible with all Aircell Axxess communications systems currently in production, and available as a drop-in replacement for the company's prolific Aircell Axxess flush-mount handset.
ENGADGET: Aircell announces world's first 'airborne smartphone'
Options for the new machines will include Apple's new wireless-networking technology, Airport Extreme, which supports speeds of 54 megabits per second and is also backward-compatible with standard Wi-Fi gear.
But it's backward-compatible with the B standard, meaning that a router or other access point that uses the G standard can also support a notebook outfitted for the B standard, but only at the slower speed.
When it is finished in the second half of this year, the specification is expected to deliver data rates of 10Mbps for home phoneline networking and also to be backward-compatible and interoperate with existing HomePNA 1Mbps technology.
Both ARM and Intel architecture will be Windows 8 compatible and we feel that the backward compatibility of Intel processor with older versions might not suffice as a significant differentiating factor.
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