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The Gigabyte GA-P55M-UD4 is a mid-range micro-ATX motherboard from 2009.

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audio output is high fidelity and clean, good for external sound systems

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BIOS is easy to navigate and tweak

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energy saving software interface is very good and easy to work with

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hits higher maximum frequencies when overclocked than other boards

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runs very stable even when several components are overclocked

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generally easy to install, fits well into a micro-ATX case

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size leads to some layout issues, many things end up a tight fit

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The Gigabyte GA-P55M-UD4 is a mid-range micro-ATX motherboard from 2009. This board is built upon the LGA1156 architecture, meaning it’s compatible with Intel Core i5 and Core i7 processors. This product is similar to Gigabyte’s GA-P55M-UD2, but differs when it comes to multi-GPU specifications. This model supports both CrossFireX and SLI at x16/x8, while the GA-P55M-UD2 only supports CrossFireX at x16/ x4 speeds. The GA-P55M-UD4 has an additional PCI-E x4 slot and four DDR3 sockets with support for up to 16GB of memory. Seven SATA 3Gb/s hard drive connectors are available, while a total of nine USB 2.0 ports line the motherboard’s backside. Gigabyte includes a diverse selection of utilities in the box, including tools for power management, cooling and overclocking.

  • Intel Core i5/i7 compatible
  • P55 Express chipset
  • AMD CrossFireX multi-GPU support
  • 4 x DDR3 2200+ memory support
  • 7 x SATA 3Gb/s connectors
  • 9 x built-in USB 2.0 ports
  • HD 7.1 channel audio   
  • On/off charge support
  • Dual BIOS support
  • Power management and overclocking utilities included
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