24" iMac owners were the first to use a new technology from Nvidia called MXM which would allow for video cards to be upgraded. This technology was originally created for laptops to allow them to use Mobile PCI Express cards. This standard for card makers would provide the option to upgrade notebooks video cards which typically are non-upgradable.

HardOCP has an "off the record" interview with both ATI and Nvidia to find out why this new technology has not yet caught on.

Previously, the GPU was built onto the motherboard, which made it essentially impossible to service just the graphics chip. The MXM initiative was to help improve productivity for integrators by cutting the costs of repairs.

In that initiative, NVIDIA has succeeded. In the consumer market, it has utterly failed. Laptop owners are essentially no closer to being able to upgrade their own notebooks than they were over two years ago when the technology was first announced.

Hardocp: MXM Failure? ATI & NVIDIA Speak Off the Record

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