Further, Mikey Digital incorporates an advanced microprocessor allowing for upgradeability and future control through iOS applications.

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The MAINGEAR Solo 21 All-in-one builds upon MAINGEAR's pedigree of upgradeability, no bloatware, and excellent service and support that they are known for.

ENGADGET: Maingear Solo 21 receives a makeover, $899 all-in-one PC is now fully upgradable

On the downside, they found the system to be "somewhat noisy, " and the slot-loading optical drives could limit upgradeability further on down the line.

ENGADGET: HP Blackbird 002 gaming rig reviewed

In a column in Wired today, Wiens compares the new Macbook Pro to the Macbook Air, which sacrificed upgradeability and reparability in pursuit of thinness and sold millions as a result.

FORBES: Why The New Macbook Pro's Repair Problems Matter

The QNX Neutrino RTOS is used by the world's best-known automotive brands to bring high levels of performance, reliability, and upgradeability to hands-free systems, digital instrument clusters, multimedia head units, connectivity modules, 3D navigation systems, and other in-car infotainment products.

ENGADGET: QNX shows off its versatility, powers OnStar accessories as well as floundering tablets