It will nicely round out Microsoft's already expansive Xbox+Surface+Lumia hardware division with a full range of PCs and x86 servers.
Perhaps more pressingly, the deal will also ensure that the only growing PC maker stays in Microsoft's camp and abandons its flirtations with Android...
The last remains of Motorola Mobility will be dissolved into the MS division that was formerly Nokia Mobile Devices, completing a surreal cycle of acquisitions.