![]() Yet we've heard from readers (and can find ample accounts in online forums) about that not being the case. AC-powered external hubs and monitors with hubs built-in should easily meet this mark. ![]() The SuperDrive should only require 0.45 amps at 5 volts (2.25 watts), well within the normal range of a USB Type-A port, which is designed to comfortably offer up to 0.9–1.0A at 5V (4.5–5W), if not more. In other situations, it may be unable to draw enough power to operate. But this is true only when it's plugged directly into a USB Type-A port on a Mac, which not all modern Macs have. The device's sales page claims that There's no separate power adapter, and it works whether your Mac is plugged in or running on battery power. ![]() It remains for sale to this day ($79), but Apple never updated the SuperDrive for more modern Macs and interfaces. You could still buy an Apple-branded USB SuperDrive for reading and burning CDs and DVDs. Apple ditched the optical drive from most Macs about a decade ago-far before many pundits thought the company should.
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