MacRumors

Apple has published a detailed support document highlighting the capabilities of the Thunderbolt 3 USB-C ports on the new MacBook Pro, unveiling some previously unknown details and outlining the different adapters that are needed to connect various accessories.

According to the document, while all of the ports on the 15-inch MacBook Pro and the 13-inch MacBook Pro without a Touch Bar offer full Thunderbolt 3 performance, only two of the four ports on the 13-inch MacBook Pro with a Touch Bar support Thunderbolt 3 at full performance.

The two ports on the right side of the machine have Thunderbolt 3 functionality but with reduced PCI Express bandwidth. For that reason, Apple recommends plugging higher-performance devices into the left-hand ports on that machine.

Late-2016 MacBook Pro models vary slightly in the data speeds they provide to each Thunderbolt 3 port.

MacBook Pro (15-inch, Late 2016) delivers full Thunderbolt 3 performance on all four ports.

MacBook Pro (13-inch, Late 2016, Four Thunderbolt 3 Ports) supports Thunderbolt 3 at full performance using the two left-hand ports. The two right-hand ports deliver Thunderbolt 3 functionality, but have reduced PCI Express bandwidth.

MacBook Pro (13-inch, Late 2016, Two Thunderbolt 3 Ports) delivers full Thunderbolt 3 performance on both ports.

As for USB, all of the USB-C ports on all MacBook Pro models offer USB 3.1 Gen 2 (10Gb/s) transfer speeds when connected to a USB accessory.

Other interesting tidbits in the document include the fact that six devices can be daisy-chained to each Thunderbolt 3 port on the MacBook Pro, and only one power supply can be used to charge the machine. You can attach multiple power supplies, but it's only going to draw power from the one that provides the most power.

Power supplies that exceed 100W have the potential to damage the Macbook Pro, and accessories like the USB-C VGA Multiport Adapter or the USB-C Digital AV Multiport Adapter can only provide up to 60W of power, which will offer slow or delayed charging in the 15-inch MacBook Pro. Apple recommends charging the 15-inch model with the power supply it ships with.

Apple also outlines powering attached devices with Thunderbolt 3 ports. The 15-inch MacBook Pro and the 13-inch MacBook Pro with Touch Bar can power two devices that use up to 15 watts and two additional devices that use up to 7.5 watts. The 13-inch MacBook Pro with no Touch Bar and two Thunderbolt 3 ports can power one device that uses up to 15 watts and one device that uses up to 7.5 watts.

If you're planning to purchase a new MacBook Pro and are confused about which adapters you're going to need so it will work with your existing equipment and accessories, Apple's support document is a good reference to check out.

The new entry-level 13-inch MacBook Pro without a Touch Bar has only been available for a day and just made its way into Apple retail stores, but OWC has already managed to take apart one of the machines to get a glimpse inside.

The teardown is still underway, but OWC can confirm that the new MacBook Pro has a removable SSD, meaning it is replaceable and can potentially be upgraded after purchase. Previous MacBook Pro models have also featured a removable SSD, but the MacBook SSD is soldered to the logic board, so it was unclear if the new MacBook Pro would continue to offer a removable SSD due to its thinner body.

OWC has noted a number of other observations about the new MacBook Pro:

- Solid State Drive module is removable
- Bottom was more difficult to remove than previous generations, but it was not glued
- Speaker module needs to be removed to pull SSD back
- SSD had very strong tape covering the interface port
- Laptop automatically turns on when you open it regardless of pressing power button

OWC's discoveries only apply to the 13-inch MacBook Pro without a Touch Bar. It's likely models with a Touch Bar have a similar build, but the internal hardware is different because it incorporates a new component. We'll need to wait a few more weeks to see what's inside the higher-end 13 and 15-inch MacBook Pro machines, as they won't be available until mid-November.

Apple's "Hello Again" event has come and gone, leaving us with an abundance of Apple-related news and updates heading into the weekend. Below, we have shared some of the more interesting tidbits that have surfaced over the past 24 hours.

No Power Extension Cable: In line with the 12-inch MacBook, new MacBook Pro models do not come with Apple's Power Adapter Extension Cable in the box. Previous MacBook Pro models included the extension cable in the box for several years. The extension cable, which provides extra length between the power brick and wall outlet, can be purchased as a standalone product for $19.

Touch Bar Has Automatic Brightness: Jason Snell at Apple blog Six Colors spent time with the new MacBook Pro yesterday and discovered the Touch Bar's brightness is not manually adjustable. Instead, the mini Retina display's brightness varies based on lighting conditions, using the MacBook Pro's built-in ambient light sensor. Apple calls this feature Automatic Brightness on iOS devices. "I wasn't able to try and trick it or confuse it, but the entire time I was using it—in a dark room and in a much more brightly lit one—it seemed to match the keyboard well," he explained.

Price Changes: Apple's price changes extend beyond the United Kingdom. The 12-inch MacBook, for example, has increased $100 in price in Canada, where the 256GB model now sells for $1,649 and the 512GB model retails for $1,999. Meanwhile, the reverse has happened in Norway, where 12-inch MacBook prices have dropped by 1000 kroner for each model. Likewise, in New Zealand, 12-inch MacBook prices are now $200 to $250 lower depending on the model. These adjustments are common as Apple keeps its pricing in foreign currencies in line with the U.S. dollar.

1Password Shares Touch Bar Concepts: AgileBits was so excited about Apple's MacBook Pro event yesterday that it has created some mockups of how 1Password could work with the Touch Bar. 1Password users will be able to unlock the app with Touch ID, for example, while Touch Bar will make it easy to switch between password vaults, select new item types, and create website logins. 1Password also anticipates allowing users to slide their fingers across the Touch Bar to generate a strong password.

Alongside the new MacBook Pro, Apple introduced a 27-inch 5K UltraFine Display made in partnership with LG, calling into question future plans for an Apple-branded display product.

While rumors have suggested Apple is working on a Thunderbolt Display replacement powered by an integrated GPU, Apple's LG partnership seems to indicate that Apple may have shelved plans to build a new display, something that's been confirmed by The Verge's Nilay Patel. According to Patel, Apple told him it is out of the standalone display business.

In lieu of its own display, Apple is selling the aforementioned 5K display product from LG and a second LG-branded 4K display, both of which have been designed with input from Apple and optimized for Apple products. As pointed out by Jason Snell of Six Colors, the brightness and settings of the LG display can be adjusted from the Mac, suggesting a deeper level of hardware integration than you'd get with a standard 5K display.

Priced at $1,299.95, the 5K LG UltraFine display uses multi-stream transport and connects to the new MacBook Pro using a single Thunderbolt 3 cable. Because it requires Thunderbolt 3 connectivity, it's only compatible with the MacBook Pro (and any future Macs equipped with Thunderbolt 3).

LG's 21.5-inch 4K UltraFine display is more affordable at $699.95, and because it doesn't require Thunderbolt 3, it's compatible with any USB-C Mac, including the new MacBook Pro and the less powerful MacBook.

Both displays offer charging capabilities, support for wide color gamut, built-in stereo speakers, and include additional ports on the back for connecting accessories. The larger 5K display also includes a camera and a microphone, offering all of the features that might have been included in an Apple-designed display.

Despite featuring more energy efficient Skylake processors, faster SSDs, better GPUs, and new thermal architecture, Apple's revamped MacBook Pros continue to max out at 16GB RAM.

Many customers have been wondering why Apple didn't bump up the maximum RAM to 32GB, including MacRumors reader David, who emailed Apple to ask and got an explanation from marketing chief Phil Schiller. According to Schiller, more than 16GB RAM would consume too much power and have a negative impact on battery life.

Question from David: The lack of a 32GB BTO option for the new MBPs raised some eyebrows and caused some concerns (me included). Does ~3GBps bandwidth to the SSD make this a moot issue? I.e. memory paging on a 16GB system is so fast that 32GB is not a significant improvement?

Schiller's answer: Thank you for the email. It is a good question. To put more than 16GB of fast RAM into a notebook design at this time would require a memory system that consumes much more power and wouldn't be efficient enough for a notebook. I hope you check out this new generation MacBook Pro, it really is an incredible system.

While most average customers likely couldn't utilize 32GB RAM, the MacBook Pro is aimed at professionals who need more computing power and who may occasionally feel the constraints of being limited to 16GB RAM. There will undoubtedly be customers who are disappointed that Apple has not offered a choice between better performance and battery life.

For the 2016 MacBook Pro, Apple was able to reach "all-day battery life," which equates to 10 hours of wireless web use or iTunes movie playback. That's an hour improvement over the previous generation in the 15-inch machine, and a small step back in the 13-inch machine.

While none of Apple's portable machines offer more than 16GB RAM, 32GB of RAM is a high-end custom upgrade option in the 27-inch iMac.

Update: Apple provided a bit more detail to Dan Frakes of The Wirecutter, noting that Apple elected to use LPDDR3 RAM, which is limited to 16 GB per chip, due to its performance/energy ratio. A reddit commenter notes that Intel's Skylake chips do not support the faster and more efficient LPDDR4 standard.

Apple provided the media with demo units of the new MacBook Pro sans Touch Bar, and a handful of websites have now published their early thoughts and first impressions about the 13-inch notebook. The articles reveal some interesting tidbits beyond yesterday's Touch Bar model hands-on and first impressions roundups.

While the new MacBook Pro's keyboard is a controversial topic, with some users preferring Apple's traditional scissor design, most reviews said Apple's second-generation butterfly mechanism offers an improved typing experience compared to the 12-inch MacBook's first-generation butterfly keyboard.

Brian Heater of TechCrunch said the keyboard "feels more natural" and that individual keys have "better give":

The new technology certainly marks a step in the right direction. The process feels more natural, and the keys have better give. I still prefer the tactile feel of older keyboards, but a lot of that may just have to do with familiarity. After all, the device was only announced yesterday.

Jim Dalrymple at The Loop echoed that sentiment, noting there is "a little more travel distance when you press down on a key":

It seems to me that there is a little more travel distance when you press down on a key with the newer keyboard. I actually like that a bit better. After using both, the MacBook keys didn’t have enough travel. This one feels much better to me.

Stuart Miles of Pocket-lint said the new keyboard is sandwiched between "louder, clearer, and cleaner" speakers with bass-heavier sound:

The keyboard is now sandwiched between two speakers that run the height of the keyboard and deliver a louder, clearer, cleaner noise which is considerably more rounded and bassy than the previous outings. That's achievable because Apple has changed the speaker technology moving away from bouncing the sound off the display, instead placing the direct firing speakers either side of the keyboard.

Likewise, Heater said the speakers deliver richer sound than before, noting that "things get loud. Really, really loud."

They’re good for casual listening and maybe an episode or two of a TV show. Anything longer than that, I would go with a pair of headphones or Bluetooth speaker. Also things start to deteriorate when things hit top volume.

Dan Ackerman at CNET said the new non-Touch Bar MacBook Pro might be "the new default MacBook for most people," although its price is disappointing:

Both screens are 2560×1600 and 227 PPI, the same resolution and density as the old design, though the screens are brighter and support the DCI-P3 color gamut, which is increasingly becoming the norm for Apple’s devices.

Cunningham added that the new MacBook Pro scales to 1,440×900 pixels out of the box, which makes it look like it has a higher screen resolution:

The new 13-inch MacBook Pro support four display scaling modes: 1024×600, 1280×800, 1440×900, and 1680×1050. The old Pros used the 1280×800 mode out of the box, which just happened to match the display’s native resolution. The new Pros use the 1440×900 mode out of the box, which means they look like they have a higher screen resolution even though they don’t.

Cunningham said making comparisons between the new MacBook Pro and MacBook Air is "understandable but flawed." He argued "it's only really a comparison that works when all else is equal," which is not the case given the new MacBook Pro is upwards of $500 more expensive than the remaining 13-inch MacBook Air.

Dana Wollman at Engadget applauded the new MacBook Pro's smaller footprint, particularly compared to the MacBook Air:

Let's start with the design: Holy moly, is this thing small. I noticed it right away, just because my normal work laptop is a MacBook Air, which means I'm used to something much larger than this. The difference is especially obvious if you stack one machine on top of the other. Though both have 13.3-inch screens, the new MacBook Pro has a much smaller footprint — it's shorter and less wide. Truly, trimming down that humongous bezel from the Air makes a world of difference.

One aspect of the new MacBook Pro often criticized is its lack of ports. The non-Touch Bar model has only two Thunderbolt 3 ports, which carry power, USB, DisplayPort, HDMI, and VGA for video out over a single port. As with the 12-inch MacBook, customers will have to purchase adapters to connect certain devices and accessories.

Steve Kovach at Business Insider said the need for "a lot of dongles" is "the most frustrating thing" about the new MacBook Pro:

If you want to use older accessories or even charge your iPhone, you're going to need to buy a separate adapter or brand-new cable. That's going to be super annoying for a lot of people as the industry continues to shift to USB-C. For example, the cable that lets you charge your iPhone in the MacBook Pro will cost you $25. Yikes.

The new MacBook Pro is also expensive, although the non-Touch Bar model is slightly more affordable at $1,499. The non-Touch Bar model is currently available for pre-order and ships in 1 business day. Touch Bar models start at $1,799 and $2,399 for the 13-inch and 15-inch models respectively and ship in 4-5 weeks.

In a series of tweets sent out last night, and now in an interview with The Verge, developer Steven Troughton-Smith has detailed the inner workings of the MacBook Pro's new retina Touch Bar, describing its T1 chip as "a variant of the system-on-a-chip used in the Apple Watch." This means that the Touch Bar is essentially running watchOS on the T1 chip, which macOS then communicates with through an interconnected USB bridge that "relays multitouch events back to macOS."

The developer described this software setup as advantageous for the MacBook Pro's security, since the T1 chip also acts as a layer of protection and "gates access" to the laptop's FaceTime camera and Touch ID sensor. In the series of Tweets he sent out last night, Troughton-Smith also theorized that watchOS could power the Touch Bar alone without relying on macOS to be running on the MacBook Pro, which Apple software engineering chief Craig Federighi has now confirmed.

"From everything I can piece together, the T1 chip in the new MacBook Pro is a variant of the system-on-a-chip used in the Apple Watch," explains Troughton-Smith, in an interview with The Verge. "Running watchOS on the T1 lets the Mac benefit from Apple's deep work on iOS embedded security, as the T1 gates access to the Touch ID sensor and, from the looks of it, the front-facing camera in the new MacBook Pro too."

Despite the use of watchOS in the Touch Bar, the T1 chip "has no fixed storage" and boots from a 25MB ramdisk, so it's not the full version found on the Apple Watch that could run the complete watchOS UI with apps. As Troughton-Smith described it, "the 'watchOS' the T1 runs is presumably only 'watchOS' by dint of the CPU it's designed for. T1 must be very similar to S1."

The developer also confirmed that the T1 chip and Touch ID sensor are paired together at the factory, so if either begins acting up, "you can't replace one without the other." What this means for the future of the MacBook Pro line could be a device that more closely bridges the gap between macOS and iOS, according to Troughton-Smith.

"Perhaps someday it could run a higher class processor, like Apple's A-series chips, and allow macOS to 'run' iOS apps and Extensions, like iMessage apps, or manage notifications, system tasks, networking, during sleep, without having to power up the x86 CPU."

Yesterday, Phil Schiller commented on the idea of Apple manufacturing a MacBook with a touchscreen, but he remained adamant that such a direct merger between macOS and iOS software wouldn't be "particularly useful." Likewise, Apple's newly published guidelines for developers describe the Touch Bar as "an input device," and "not a secondary display."

Update: TechCrunch's Matthew Panzarino has shared a few more details on the T1 chip in the MacBook Pro. The T1 is the same chip that's inside the S2 in the new Series 2 Apple Watch, and is made up of the processor and the Secure Enclave.

The T1 secures the Touch ID sensor, camera, Touch Bar, and the keychain where passwords are stored. As was previously suggested, the T1 runs a modified version of watchOS.

One of the biggest questions about the Touch Bar on Apple's new MacBook Pro is how it will work with Windows through Boot Camp. That led MacRumors reader Abraham to send an email to Apple's software engineering chief Craig Federighi, who shared good news for dual-booters.

Question from Abraham: Craig, am I correct in assuming that the Touch Bar becomes a row of visual function keys when using Windows with Boot Camp?

Federighi's answer: You are indeed!

Presumably, this means the Touch Bar will likely display virtual function keys between F1-F12, along with an Escape key, when running Windows. It remains to be seen if there will be specific controls for system-level tasks such as volume, playback, and display brightness. Meanwhile, the virtual power button should work, but without Touch ID.

MacRumors cannot fully confirm the authenticity of the email, but it does appear to be sent by Federighi through Apple's corporate servers based on full headers we saw. Apple executives occasionally respond to customer emails, or it is possible the response was handled by Apple's executive relations or public relations teams.

Boot Camp is an Apple utility that enables users to partition their SSDs or hard drives and install Windows directly on a Mac, allowing for macOS and Windows to be run side by side. It differs from virtualization software like Parallels and VMware Fusion, which allows Windows to run as a desktop app within macOS itself.

YouTube tech reviewer Marques Brownlee has shared an exclusive interview with Apple senior vice president of software engineering Craig Federighi. The pair chatted about the new MacBook Pro and its customizable Touch Bar, which Federighi said is "going to be great" and has "so much potential" for developers.

Touch Bar is a Multi-Touch strip of glass that replaces the standard row of function keys on the new MacBook Pros, providing users with system-level and app-specific controls that contextually change. For example, when a user types text in a document, the Touch Bar might include controls for adjusting the font face and size.

MacBook Pro users can interact with the Touch Bar using gestures. Tapping activates a control, such as a button, or selects an item, such as an emoji. Touching and holding initiates a secondary action on a control, such as a button. Panning moves an element, such as a slider of photos or emojis, from side-to-side.

"Why now? Why 2016 for us to arrive at the Touch Bar?"

A lot of it came together in terms of the technology being just right to really pull this off in this kind of form factor — such as Touch ID and the quality of the display. We wanted it to feel just completely native to the keyboard and completely real — and be so responsive. We were able to take so much that we've learned in the hardware for iOS devices — and even so much of the security model of iOS, like for Touch ID — and incorporate some of our custom silicon to make it happen. A lot of things had to come together to make this possible. It’s exciting to finally have it out.

"Similar to Touch ID in the iPhone, Touch Bar will get better with time, right? What are you most looking forward to seeing, maybe in a year from now, when we have these and developers get their hands on it? What kind of stuff should we expect to see?"

What's been really awesome is that we've brought some developers in over the past month — and we just showed a small subset of the ones that had come in and already started doing work — and they have a lot of great ideas. Look at djay Pro. It's so exciting when we develop a product and we have a vision of what we can do with it with our apps. We know inherently this is a device with so much potential because it's just a versatile Multi-Touch display. When you get it in the hands of these developers and it's like, "we didn't think of that, but that's just awesome."

I’m really excited about what we've seen so far. I think, of course, a lot of people will do buttons and sliders, but I think there will be this next wave where people say, "hey, this is like custom hardware." You can create the control that supports the best mechanic for whatever it is you want to do in your app, whether that's a game doing something really novel or music, which is so awesome for those kind of real-time capabilities. It's going to be great, but I'm really excited about how fast it's already happening. I think day one, you get one of these, and it's going to be great.

Apple's newly published design guidelines refer to the Touch Bar as an extension of the keyboard and trackpad, not the display. Apple does not want developers to include display alerts, messages, scrolling content, or static content in their Touch Bar extensions, but rather controls that resemble the appearance of the physical keyboard keys in terms of size and color.

Although technically it’s a screen, the Touch Bar functions as an input device, not a secondary display. The user may glance at the Touch Bar to locate or use a control, but their primary focus is the main screen. The Touch Bar shouldn’t display alerts, messages, scrolling content, static content, or anything else that commands the user’s attention or distracts from their work on the main screen.

The guidelines also tell developers not to include functions solely in the Touch Bar to ensure backwards compatibility with older Macs. There must always be a way to perform tasks using the keyboard or trackpad. Apple also tells developers not to use Touch Bar for well-known keyboard shortcuts such as find, select all, deselect, copy, cut, paste, undo, redo, new, save, close, print, and quit.

AMD has shared some technical details on the new Radeon Pro graphics cards included in the 15-inch MacBook Pro models, giving some insight into their performance and the differences between the three options.

The Radeon Pro 400 Series Graphics are built on AMD's Polaris architecture and are fabricated using the 14nm FinFET process to achieve high performance without sacrificing power efficiency. They offer memory bandwidth of up to 80GB/s.

The Radeon Pro Graphics found in the MacBook Pro feature the latest Polaris architecture with 4th generation Graphics Core Next. Speed through your tasks with up to 16 compute units (1024 stream processors) and 1.86 Teraflops of horsepower. Radeon Pro Graphics on the MacBook accelerate workloads normally reserved for the main processor. It features versatile asynchronous compute, updated shader engines, enhanced memory compression and new geometry capabilities in a compact and efficient package.

The Radeon Pro 460, available as a $200 upgrade in the entry-level 15-inch MacBook Pro and a $100 upgrade in the higher-end 15-inch MacBook Pro, offers 1.86 Teraflops of horsepower and 16 compute units (1024 stream processors).

The Radeon Pro 455, the default option in the higher-end 15-inch MacBook Pro, features 1.3 Teraflops of horsepower and 12 compute units (768 stream processors). The Radeon Pro 450, available in the entry-level 15-inch MacBook Pro as the default option, offers 1 Teraflop of horsepower and 10 compute units (640 stream processors).

According to AMD, the Radeon Pro graphics processors inside the MacBook Pro are thinner than a US penny with a Z-height of 1.5mm but still pack in 3 billion transistors. The Radeon Pro features "advanced power technology" to allow the MacBook Pro to stay cool and quiet even during demanding tasks.

On its MacBook Pro website, Apple says the 15-inch MacBook Pro offers up to 130 percent faster graphics performance (with the Radeon 460) and up to 2.5x more computing power per watt compared to the previous-generation 15-inch MacBook Pro.

The 13-inch MacBook Pro uses integrated graphics instead of discrete graphics, but Apple says the Iris Graphics 550 are up to 103 percent faster than the Iris Graphics 6100 in the previous-generation 13-inch MacBook Pro.