​500,000 Raspberry Pi 2 Model B boards sold

Within two weeks, the Raspberry Pi Foundation has shifted 500,000 of its new Raspberry Pi 2 Model B boards, helping make it the fasted selling British computer.

It's only been two weeks since the Raspberry Pi 2 Model B was released but the foundation that designs them says it's already shipped 500,000 units.

The Raspberry Pi Foundation confirmed to ZDNet that it has already sold half a million units of its latest computer, the fifth model it has released since its modest launch in 2012. As well as the Raspberry Pi 2 Model B, the foundation has also released the 2.1 revision last year, as well as the model B+, model A+, and the compute module.

The 500,000 milestone for the Raspberry Pi 2 means the latest version now accounts for roughly 10 percent of the five million Raspberry Pi units shipped overall. The Pi hit its five million sales high-water mark this week, massively dwarfing the 10,000 units that Raspberry Pi co-founder Eben Upton expected the foundation would sell in total, but which instead it reached within hours on the first day of sales in February 2012.

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"The Pi has gone from absolutely nothing just under three years ago, to becoming the fastest-selling British computer," the Raspberry Pi Foundation said.

The foundation is also a charity, so the money it earns from sales go straight back into R&D and educational efforts, such as teacher training, educational resources, funding open source projects, and supporting the £1m Raspberry Pi Education Fund, which offers grants to students for computing projects.

The main difference between Raspberry Pi Model B and its predecessor, the Raspberry Pi 1 Model B+, is that the newer model has 1GB of SDRAM, where the RPi 1 had 512MB. It also has a quad-core 900MHz ARM Cortex-7 CPU SoC versus the older model's single-core 700MHz ARM11 SoC.

It has however retained the four USB ports, wired network, HDMI, audio and composite video, and power connection. It also has the 40-pin GPIO header, camera interface, and a micro-SD click-in/out slot which I much prefer to the original SD friction-fit slot.

At the launch of the Pi 2, the foundation said it soon be making a Windows 10 for IoT devices for the model available on its website. Upton today said Windows 10 for the Pi would be released later this year but didn't give a specific date. However, it expects Microsoft to be releasing a series of developer releases before the final release.

Once it's ready, the plan is to provide Windows 10 for IoT in a NOOBS (New Out-Of-Box Software) package, which will present it as an option alongside Raspbian, Pidora, Arch, OpenELEC, RaspBMC, and RiscOS.

Not much is known about the specific Windows 10 version for the Pi, although ZDNet's Mary Jo Foley suggests it could be Athens, which runs on Intel and ARM-based devices and would be suitable for the Raspberry Pi 2 Model B's ARM v7 processor.

"We think people are likely to use Windows 10 primarily for IoT applications, and in situations where they want to make use of the Microsoft 'universal apps' infrastructure that lets them target phone/tablet/PC and Pi with a single codebase," Upton told ZDNet.

"Microsoft have a good story on security and cloud integration, which we think will be attractive to people taking the 'Maker Pro' route to market; right now people tend to build their own solutions in this area, which can be time consuming and has a history of introducing avoidable security vulnerabilities."

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