Apple engineers who worked on the Air Port lineup have transitioned to other product teams as Apple aims to focus more on products that generate the "bulk of its revenue." The Air Port Express, Air Port Extreme, and Air Port Time Capsule remain available for purchase, but could potentially be discontinued in the future.
Apple has not, however, officially confirmed that development has stopped.
The 2 TB Time Capsule retails for 9, while the 3 TB Time Capsule retails for 9.
Last updated in June of 2012, the Air Port Express is Apple's compact, affordable Wi-Fi base station.
Though it takes up more volume than the previous generation, at 6.6 inches tall, its 3.85-inch base gives it a smaller overall footprint than the previous Air Port Extreme.
All of Apple's Air Ports include a built-in Network Address Translation (NAT) firewall to create a barrier between a network and the Internet, along with password encryption and closed network options.
Unlike the Time Capsule and the Air Port Extreme, the Air Port Express has yet to be updated with support for the faster 802.11ac Wi-Fi, instead offering only 802.11a/b/g/n simultaneous dual-band Wi-Fi.
The Air Port Express, when connected to an Ethernet network, is designed to act as a wireless access point, like the Air Port Extreme and Air Port Time Capsule.
Apple regularly updates Air Port Utility, adding additional functionality.
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