I've had plenty to say about Apple's bizarre, pro user-hostile MacBook Pro I/O roadmap over the years (witness the shock removal of FireWire 400 in late 2008 and the removal of ExpressCard from the 15" in 2009) so it's incredibly refreshing to write about the inclusion of Thunderbolt, a decidedly "Pro" I/O interface with seemingly no downside, in the latest refresh.
There's already a choir of commentators saying there's no use cases for this technology and how hardly anyone is going to use it. They seem to have forgotten that we're talking about a MacBook Pro here, and not a MacBook.
Peter Kirn at Create Digital Music's choice of headline for his article about this hardware refresh says it all: "FireWire800, ExpressCard Survive MacBook Pro Revision, So You Can Relax" (emphasis mine).
There are many professional users of Apple products who rely on expensive external peripherals to do their jobs, and since 2008, they've all been watching Apple slowly remove the ports they need to connect those peripherals. The fastest I/O available on a 2010 MacBook Pro 15" was an eight-year-old FireWire 800 port, while PC users enjoyed ExpressCard/34, eSATA and USB 3.0 - each several times faster than FireWire 800. People developed genuine concerns that Apple was drunk on the massive profits of its iOS business and would let its professional business (including its Final Cut and Logic software packages) die a slow death while it chased the mass market dollar.
Thunderbolt is the antidote. It's a sign that that pros still matter, it's superior in every conceivable way, and it's compatible with all that existing gear. There's no existing use case that can completely saturate that 10Gbps link and that is exactly the point. An I/O interface shouldn't be the bottleneck in your system.
And it's not just for professionals. In an era of 10+ megapixel point-and-shoot cameras, 1080p camcorders and multi-terabyte collections of pirated media, I think you'd be crazy to suggest that only A/V professionals will benefit from blazingly fast I/O.
Thunderbolt devices are already being announced, such as LaCie's Little Big Disk with Thunderbolt, and several high-profile A/V and storage companies have voiced support for the new interface including Aja, Apogee, Avid, Blackmagic, LaCie, Promise, Universal Audio and Western Digital.
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