Archive for November 9th, 2016

by Tom Nelson

The 2009 Mac Pro (model identifier MacPro4,1) was introduced in March of 2009, and was discontinued with the arrival of the 2010 Mac Pro in August of that same year. The 2009, 2010, and 2012 versions of the Mac Pro are still sought after as they represent the last truly user-expandable Macs.

They offered easy access to the interior, where users could add RAM, access four built-in drive bays, and easily add or change PCIe expansion cards, including graphics cards.


Photo © Coyote Moon, Inc.

They also offered access to the optical drive bay, which many used as a fifth storage bay. The processors were mounted on easily removable trays, and could be upgraded by the end user.

However, the 2009 version of the Mac Pro has a few things going against it. While the processors could be upgraded, they require the use of special Xeon processors that have no metal lids. This was done so the mammoth heat sinks could be attached directly to the CPU die. Finding compatible processors can now be a bit of a scavenger hunt.

On the plus side, there is a firmware hack available online that can allow the older 2009 Mac Pros to make use of 2010 or 2012 Mac Pro processors.

With the above as a bit of a background, let’s take a look at the original buying guide for the 2009 Mac Pro.

Read more on Lifewire: Macs.

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