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Asus F2A55-M review

Our Rating :
Price when reviewed : £63
inc VAT

A good-value FM2 board with some useful features, but you'll have to do without SATAIII


FM2, microATX, AMD A55 FCH chipset, supports: AMD 2nd gen A-series

The F2A55-M is the first motherboard we’ve seen with AMD’s new FM2 socket. This socket is required for the second-generation AMD “Trinity” A-series processors, which replace the “Llano” chips we saw last year.


This MicroATX board has the low-end AMD A55 chipset, which has certain limitations compared to the higher-spec A75 and A85X. Chief among these are the lack of native support for USB3 or SATAIII. Asus has got around the USB3 limitation with a third-party ASMedia controller, so you still get two USB3 ports on the rear of the motherboard alongside four USB2. There are no USB3 headers, though, so you won’t be able to connect up the USB3 front panel ports in some PC cases.

The lack of SATAIII is more of a problem. Although SATAII is quick enough for all mechanical hard disks, you need SATAIII to take full advantage of the quickest SSDs. For example, a Corsair Performance Series Pro SSD can write large files at 406MB/s when connected to SATAIII, but this drops to 298MB/s over SATAII.


If you’re going to stick to mechanical hard disks or cheaper SSDs, such as Crucial’s made-for-SATAII V4 SSD, you’ll be fine with the F2A55-M’s six SATAII ports. You also get four memory slots for up to 64GB of DDR3 RAM. As it’s a MicroATX motherboard there was never going to be that much room for expansion, but you do get a PCI slot and a PCI Express x1 slot, as well as two PCI Express x16 slots. The PCI Express x1 slot will be blocked if you fit a graphics card, however.

AMD’s A-series processors have powerful built-in graphics chipsets, and the motherboard has VGA, DVI and HDMI outputs to take advantage of this. You can use all three ports to run three monitors at once. The HDMI port is limited to a resolution of 1,920×1,080 and the VGA plug maxes out at 1,920×1,600, but you can use the dual-link DVI port to run high-resolution screens at up to 2,560×1,600. The rear panel is well-equipped for sound, with six analogue outputs for up to 7.1 surround and an optical S/PDIF output for amplifiers without HDMI inputs.

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Basic Specifications

Processor socketFM2
Form factormicroATX
Processor supportAMD 2nd gen A-series
Processor external bus100MHz
Chipset north bridgeAMD A55 FCH
Chipset south bridgeAMD A55 FCH
Passively-cooled north bridgeyes
Integrated graphicsNo
Supported memory typeDDR3 1066/1333/1600(OC)/1866/2000(OC)/2133(OC)/2200(OC)/2250(OC)/2400(OC)
Maximum memory speed19200
Memory slots4
Maximum memory64GB
Dual-channel supportyes

Buying Information


Internal Ports

Power connectors1x 24-pin ATX, 1x 4-pin ATX
PCI-E x16 slots1
Dual graphics architecturenone
PCI-E x4 slots0
PCI-E x1 slots1
PCI slots1
Fan headers2
Floppy ports0
IDE ports0
Serial ATA ports6
RAID chipset (max disks)AMD A55 (RAID 0, 1, 10, JBOD)


Wired network ports1x 10/100/1000
Sound (ports)Realtek ALC887 (optical S/PDIF, 6x analogue)
USB2 ports / headers6/3
Firewire ports / headers0/0
Legacy portsserial header
Other portsDVI, D-Sub
Cables included2x SATA
Brackets includednone
Software includednone

Setup and Overclocking

Voltage adjustmentCPU/RAM/Chipset
CPU clock max adjustmentN/A

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