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ASRock FM2A75 Pro4

The ASRock FM2A75 Pro4 is compatible with AMD processors with the Socket FM2 socket.

It has 64 GB DDR3 maximum RAM and conforms to the ATX form factor standard.

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ASRock FM2A75 Pro4

help iconCPU SocketSocket FM2help iconGraphics Card InterfacePCIe v2.x
help iconCPU Compatible MakeAMDhelp iconSLI Support1 graphics cards
help iconCPU ChipsetA75help iconCrossfire Support4 graphics cards
help iconRelease Date04 Sep 2012help iconOnboard GPUyes
help iconForm FactorATXhelp iconPCI Slots
  • 2 x PCIe x1 v2.0
  • 2 x PCIe x16 v2.0
help iconMax RAM64 GB DDR3help iconSATA 1.00
help iconRAM Slots4 x DDR3help iconSATA 2.00
help iconMemory Channels2help iconSATA 3.00
help iconCompatible RAM Speeds
  • DDR3 1066 MHz
  • DDR3 1333 MHz
  • DDR3 1600 MHz
  • DDR3 1866 MHz
  • DDR3 2133 MHz
help iconRAID Supportyes
help iconUSB 2.0 Internal Slots3help iconInternal I/O
  • 1 x 24 pin power connector
  • 1 x 8 pin power connector
  • 6 x fan header
  • 1 x S/PDIF connector
help iconUSB 3.0 Internal1help iconBack Panel I/O
  • D-Sub Connector
  • DVI connector"
  • Line In Connector
  • Line Out Connector
  • Mic In connector
  • 7.1 Surround Sound
  • Audio Input Output
  • PS/2 keyboard connector
  • PS/2 mouse connector
  • 1 x eSATA
help iconUSB 3.0 Rear6

ASRock FM2A75 Pro4 compatibility review

The ASRock FM2A75 Pro4 uses the AMD Socket FM2 CPU socket. Any compatible AMD CPU will have the same socket entry. It uses the DDR3 memory type, with maximum speeds of up to 2133 MHz, and 4 DDR3 slots allowing for a maximum total of 64 GB RAM.

Released on 04 Sep 2012, the ASRock FM2A75 Pro4 is now over 7 years old, which means it is extremely out of date and is based on very aged technologies. This motherboard will be dwarfed in performance by its modern counterparts, and will likely have very little support from ASRock.

Conforming to the ATX standard, the ASRock FM2A75 Pro4 should fit into the majority of cases. ATX is the most common form factor, and as such has a high degree of compatibility with other components while providing a decent number of slots to widen your expansion options.

The ASRock FM2A75 Pro4 has 5 SATA 3.0 hard drive slots. These allow for theoretical data transfer speeds of up to 6GB/s, as opposed to the 3GB/s of SATA 2.0. Generally speaking, only high performance hard drives, specifically solid-state drives, will be able to take advantage of the bandwidth potential of SATA 3.0 ports, though it is backwards compatible, so you do not have to take advantage.

The ASRock FM2A75 Pro4 supports onboard graphics. This allows for integrated graphics when paired with a compatible CPU that supports them. Integrated graphics are a cheap alternative to using a graphics card, but should be avoided when frequently using modern applications or games that require intense graphical processing. There are 2 PCIe x16 slots on this motherboard. This means it is perfectly capable of accommodating the latest graphics cards, although it is important to try and use a graphics card with the same graphics card interface of PCIe v2.x, as anything below will not reach the motherboard's potential, and anything above will have its performance slashed to the bandwidth maximum of the ASRock FM2A75 Pro4's PCIe v2.x. The ASRock FM2A75 Pro4 supports up to 4 AMD Crossfire connected graphics cards for improved overall graphical performance at the cost of multiplied graphics-based power consumption as well as the price of the cards themselves. Nvidia SLI is not supported.

The ASRock FM2A75 Pro4 has 3 USB 2.0 slots and 7 USB 3.0 slots. USB 3.0 slots are theoretically capable of data transfer speeds of up to 5 Gbit/s, which is over 10 times faster than the USB 2.0 top speed of 480 Mbit/s. Although USB 2.0 slots alone currently serve as well as ever, an upgrade would better future-proof your system as more USB 3.0 compatible peripherals emerge. USB 3.0 is also backwards compatible with USB 2.0, which means you do not even have to use the newer slot functionality if you do not wish to.

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