Surface Book
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| Developer | Microsoft |
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| Product family | Microsoft Surface |
| Type | 2-in-1 PC |
| Release date | October 26, 2015 with Performance Base: November 10, 2016 |
| Introductory price |
USD$1,499.00 to $3,299.00 CAD$1,949.00 to $4,379.00 GBP£1,299.00 to £2,649.00 |
| Operating system | Windows 10 Pro |
| CPU |
Intel Skylake dual-core processor: i5-6300U 2.4 up to 3.0 GHz, 3 MB cache, 15 W i7-6600U 2.6 up to 3.4 GHz, 4 MB cache, 15 W |
| Memory | 8 or 16 GB LPDDR3 RAM |
| Storage | SSD: 128 GB, 256 GB, 512 GB, 1 TB |
| Removable storage | Full-size SD card slot (supports SDXC cards) |
| Display | 13.5", 3000x2000 (267 PPI) LCD |
| Graphics |
Intel HD Graphics 520 Optional custom variant of Nvidia GeForce 940M GPU with 1 GB of GDDR5 memory or Nvidia GeForce GTX 965M GPU 2 GB of GDDR5 memory with in keyboard part |
| Sound | Stereo speakers, dual microphones, headset jack |
| Input | Keyboard, touchpad mouse, stylus pen, sensors: accelerometer, gyroscope, magnetometer, ambient light, Surface Dial |
| Camera | 5.0 MP front, 8.0 MP rear 1080p HD video recording |
| Touchpad | 5-point multi-touch |
| Connectivity | 802.11a/b/g/n/ac Wi-Fi, Bluetooth 4.0, two USB 3.0 ports, Mini DisplayPort |
| Dimensions | As a tablet: 12.3 by 8.67 by 0.3 inches (31.24 cm × 22.02 cm × 0.76 cm) As a laptop: 12.3 by 9.14 by 0.9 inches (31.2 cm × 23.2 cm × 2.3 cm) |
| Weight | As a tablet: 1.6 pounds (0.73 kg) As a laptop: 3.34 pounds (1.51 kg) As a laptop with Performance Base: 3.68 pounds (1.67 kg) |
| Website | Surface |
The Surface Book is a 2-in-1 PC designed and produced by Microsoft, part of the company's Surface line of personal computing devices. Surface Book is distinguished from other Surface devices primarily by its full-sized, detachable keyboard, which uses a dynamic fulcrum hinge that expands when it is opened. The keyboard contains a second battery, a number of ports and an optional discrete graphics card used when the screen part, also dubbed as the clipboard by Microsoft, is docked to it. Contrary to Surface Pro devices, which are marketed as tablets, the Surface Book is marketed as a laptop, Microsoft's first device marketed as such.
Surface Book was announced at the Windows 10 Devices Event by Microsoft at October 6, 2015, alongside the Surface Pro 4. It was available for a pre-order the following day and was released and shipped to customers beginning on October 26, 2015.
When unveiling the Surface Book to the press, Panos Panay, corporate vice president for Surface Computing at Microsoft, initially presented the device as being a laptop (using part of a promotional video which shows the screen remaining attached to the keyboard base) and positioned it as a competitor to the MacBook Pro, before revealing its true nature as a hybrid device by showing the rest of the video where the screen is revealed as detachable and compatible with the Surface Pen.
On October 26, 2016, Microsoft announced an updated Surface Book with a new Nvidia GeForce GTX 965M GPU and additional battery life over the original model.
The Surface Book's design was influenced by a goal to design a 2-in-1 convertible tablet that could be folded like a laptop, and not require the keyboard to be heavier than the tablet portion in order to support and balance the tablet portion. To reach this goal, the Surface development team developed a special hinge on the keyboard that would increase the footprint of the device when opened, thus maintaining the balance without increasing the weight differential between the two parts. The hinge is accompanied by muscle wire locks that secure the tablet portion to the keyboard. They are constructed from nickel titanium—an alloy that contracts when exposed to an electrical current; pressing a release button on the keyboard sends an electrical impulse through the wires that attach or release the clips. The team also worked with the Microsoft team developing Windows 10 to implement a switchable graphics system, where the tablet would be able to switch to a discrete graphics card located within the keyboard when docked, and revert to internal graphics when undocked.
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