It’s almost impossible to drop a processor into MSI’s 890FXA-GD70 motherboard without overclocking it. The reason has nothing to do with MSI not letting you run a chip at stock speeds—it does—but the temptation to goose your processor presents itself at every turn. If you’re poking around the BIOS, you need only enable the OC Genie Light option for a free speed boost. Alternately, you can turn a knob on the motherboard to make front-side-bus adjustments on the fly. And yet a third way to overclock is to fire up the included Control Center software and start moving sliders, or press the OC Genie button and be done with it. Using the latter option, we were prompted to restart our test bed, at which point the MSI board cranked our Phenom II X4 955BE up from 3.2GHz to a stable 3.68GHz. Not bad.

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Gigabyte has a frustrating habit of releasing a dozen motherboard models per chipset, and sometimes more—we counted no fewer than 15 Gigabyte boards based on Intel’s X58 chipset. That isn’t the case in 890FX land, where Gigabyte offers just two variants to choose from—the GA-890FXA-UD5, and the board reviewed here.

The differences between the two are big, and we mean that literally. Unlike the UD5, the UD7 ditches the tried-and-true standard ATX formfactor and comes constructed in XL-ATX, which is even larger than Extended ATX (E-ATX). Only folks with full towers need apply, and even then you’ll want to verify with your case manufacturer that an XL-ATX motherboard will fit. Gigabyte’s Chassis Support List of qualified cases is disappointingly sparse, though not all-inclusive.

Continue reading this review after the jump.