The new iPad Pro has a USB-C port – so what can it do, exactly?
Wednesday December 5, 2018. 01:46 PM , from Create Digital Music
The iPad finally gets a dedicated port for connectivity, as you’d find on a “desktop” computer – and it’s loaded with potential uses, from power to music gear. Let’s break down exactly what it can do.
“USB-C” is a port type; it refers to the reversible, slim, oval-shaped connector on the newest gadgets. But it doesn’t actually describe what the port can do as far as capabilities. So initially, Apple’s reference to the “USB-C” port on the latest iPad Pro generation was pretty vague.
Since then, press have gotten their hands on hardware and Apple themselves have posted technical documentation. Specifically, they’ve got a story up explaining the port’s powers:
Now, keep in mind the most confusing thing about Apple and USB-C is the two different kinds of ports. There’s a Thunderbolt-3 port, as found on the high-end MacBooks Pro and the Mac mini. It’s got a bolt of lightning indicator on it, and is compatible with audio devices like those from Universal Audio, and high-performance video gadgetry. And then there’s the plain-vanilla USB-C port, which has the standard USB icon on it.
All Thunderbolt 3 ports also double as USB-C ports, just not the other way around. The Thunderbolt 3 one is the faster port.
Also important, USB-C is backwards compatible with older USB formats if you have the right cable.
So here’s what you can do with USB-C. The basic story: do more, with fewer specialized adapters and dongles.
You can charge your iPad. Standard USB-C power devices as well as Apple’s own adapter. Nicely enough, you might even charge faster with a third-party adapter – like one you could share with a laptop that uses USB-C power.
Connect your iPad to a computer. Just as with Lightning-to-USB, you can use USB cables to connect to a USB-C port or older standard USB-A port, for charge and sync.
Connect to displays, projectors, TVs. Here you’ve got a few options, but they all max out at far higher quality than before:
USB-C to HDMI. (up to 4K resolution, 60 Hz, with HDMI 2.0 adapter.)
USB-C Digital AV Multiport. Apple’s own adapter supports up to 4K resolution, 30Hz. (The iPad display itself is 1080p / 60Hz, video up to 4K, 30Hz.)
USB-C displays. Up to 5K, with HR10 high dynamic range support. Some will even charge the iPad Pro in the process.
High end video makes the new iPad Pro look indispensable as a delivery device for many visual applications – including live visuals. It’s not hard to imagine people carrying these to demo high-end graphics with, or even writing custom software using the latest Apple APIs for 3D graphics and using the iPad Pro live.
Transfer data, fast. USB-C is now becoming the standard for fast hard drives – that’s USB 3.1/3.2. Apple says the new iPad Pro does support “USB 3.1 Gen 2”. That’s just shy of the current (2017) USB 3.2 2 GB/s data access via dual lanes, but it does mean fairly bristling speeds up to 10 GB/s. Apple’s new models are configurable for up to 1 TB of storage internally (at a steep price, of course, relative to an external USB-C drive).
Sadly, the one thing it appears you can’t do is use that external storage alongside the internal – a major reason you might want to opt for an Apple or Windows laptop or Windows tablet, which works in a more conventional way. So you can load video, photos, and the like off of external devices a lot faster, but you can’t augment the internal storage on your iPad Pro quite as easily.
Correction: the first draft of this article incorrectly suggested the iPad could use external storage, which is not possible with apps, and misstated the maximum data rate. The correct rate is 10 GB/s, as specified in USB 3.1 rev 2. I regret the error; thanks to reader Zsolt Envo Szrapkó for the fix. -PK
Play audio. There’s no minijack audio output (grrr), but what you do get is audio playback to USB-C audio interfaces, docks, and specialized headphones. There’s also a USB-C to 3.m mm headphone jack adapter, but that’s pretty useless because it doesn’t include power passthrough – it’s a step backward from what you had before. Better to use a specialized USB-C adapter, which could also mean getting an analog audio output that’s higher quality than the one previous included internally on the iPad range.
And of course you can use AirPlay or Bluetooth, though it doesn’t appear Apple yet supports higher quality Bluetooth streaming, so wires seem to win for those of us who care about sound.
Oh, also interesting – Apple says they’ve added Dolby Digital Plus support over HDMI, but not Dolby Atmos. That hints a bit at consumer devices that do support Atmos – these are rare so far, but it’ll be interesting to watch, and to see whether Apple and Dolby work together or compete in this space.
Speaking of audio and music, though, here’s the other big one:
Work with USB devices. Apple specifically calls out audio and MIDI tools, presumably because musicians remain a big target Pro audience. What’s great here is, you no longer have the extra Lightning to USB “Camera” adapter required on older iPads, which was expensive and only worked with the iPad, and you should be free of some of the more restrictive electrical power capabilities of those past models.
You could also use a standard external keyboard to type on, or wired Ethernet – the latter great for wired use of applications like Liine’s Lemur.
The important thing here is there’s more bandwidth and more power. (Hardware that draws more power may still require external power – but that’s already true on a computer, too.)
The iPad Pro is at last closer to a computer, which makes it a much more serious tool for soft synths, controller tools, audio production, and more.
Charge other stuff. This is also cool – if you ever relied on a laptop as a mobile battery for phones and other accessories, now you can do that with the USB-C on the iPad Pro, too. So that means iPhones as well as other non-Apple phones. You can even plug one iPad into another iPad Pro.
Thunderbolt – no. Note that what you can’t do is connect Thunderbolt hardware. For that, you still want a laptop or desktop computer.
What about Made for iPhone? Apple’s somewhat infamous “MFI” program, which began as “Made for iPod,” is meant to certify certain hardware as compatible with their products. Presumably, that still exists – it would have to do so for the Lightning port products, but it seems likely certain iPad-specific products will still carry the certification.
That isn’t all bad – there are a lot of dodgy USB-C products out there, so some Apple seal of approval may be welcome. But MFI has hamstrung some real “pro” products. The good news as far as USB-C is, because it’s a standard port, devices made for particular “pro” music and audio and video uses no longer need to go through Apple’s certification just to plug directly into the iPad Pro. (And they don’t have to rely on something like the Camera Connection Kit to act as a bridge.)
Apple did not initially respond to CDM’s request for comment on MFI as it relates to the USB-C port.
MacStories tests the new fast charging and power adapter.
9to5Mac go into some detail on what works and what doesn’t (largely working from the same information I am, I think, but you get another take):
What can you connect to the new iPad Pro with USB-C?
And yeah, this headline gives it away, but agree totally. Note that Android is offering USB-C across a lot of devices, but that platform lacks some of the support for high-end displays and robust music hardware support that iOS does – meaning it’d be more useful coming from Apple than coming from those Android vendors.
The iPad Pro’s USB-C port is great. It should be on my iPhone, too
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