Product comparison · 2 motherboards

ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX vs MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX

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  • 66specifications compared
  • 26differ
  • 40identical
  • 26known for one product only

Key differences

The ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX has 2 more memory slots than the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX (4 vs 2). The ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX has 48 GB more maximum internal memory than the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX (64 GB vs 16 GB). The ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX has 1 more USB 2.0 connectors than the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX (3 vs 2). Supported memory clock speeds: 1600,1866,2000,2133,2200,2250,2400 MHz on the ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX, 1066,1333,1600,1866,2133 MHz on the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX. Supported storage drive interfaces: SATA III on the ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX, SATA II on the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX.

  • Number of memory slots
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:4
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:2
  • Maximum internal memory
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:64 GB
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:16 GB
  • Supported storage drive interfaces
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:SATA III
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:SATA II
  • RAID levels
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:0, 1, 5, 10, JBOD
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:0, 1, 10, JBOD
  • Parallel processing technology support
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:2-Way CrossFireX
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:Not supported
  • USB 2.0 connectors
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:3
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:1
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:0
  • Number of SATA III connectors
    • F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX:7
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:0

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Comparison of F2A85-M/CSM, FM2-A55M-E33
92 specifications
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket FM2Socket FM2
Compatible processor seriesAMD AAMD A
Maximum number of SMP processors11
Memory3 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityKnown for oneNon-ECCUnknown — not stated by the source
Supported memory clock speedsDiffers1600,1866,2000,2133,2200,2250,2400 MHz1066,1333,1600,1866,2133 MHz
Maximum internal memoryDiffers64 GB16 GB
Unbuffered memoryYesYes
Memory voltageKnown for oneUnknown — not stated by the source1.5 V
Storage controllers2 differ
Supported storage drive interfacesDiffersSATA IIISATA II
RAID levelsDiffers0, 1, 5, 10, JBOD0, 1, 10, JBOD
Graphics1 differ
Parallel processing technology supportDiffers2-Way CrossFireXNot supported
On-board graphics cardYesYes
Graphics card familyAMDAMD
Graphics cardKnown for oneRadeon HD 7000Unknown — not stated by the source
Maximum resolutionKnown for one2560 x 1600 pixelsUnknown — not stated by the source
HDCPKnown for oneYesUnknown — not stated by the source
DirectX version1111
Discrete graphics supportYesYes
Internal I/O5 differ
USB 2.0 connectorsDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers10
Number of SATA III connectorsDiffers70
Number of SATA II connectorsDiffers04
Number of SATA connectorsDiffers74
Number of Parallel ATA connectors00
S/PDIF out connectorKnown for oneYesUnknown — not stated by the source
Front panel audio connectorYesYes
CD/AUX audio inKnown for oneNoUnknown — not stated by the source
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
Power fan connectorKnown for oneYesUnknown — not stated by the source
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one1Unknown — not stated by the source
Chassis intrusion connectorYesYes
Number of COM connectors11
TPM connectorYesYes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers40
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers10
PS/2 ports quantityDiffers12
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
HDMI versionKnown for one1.4aUnknown — not stated by the source
DVI-D ports quantityDiffers10
Microphone inYesYes
S/PDIF out portKnown for oneYesUnknown — not stated by the source
Digital audio optical outKnown for one1Unknown — not stated by the source
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek RTL8111FRealtek RTL8111E
Wi-FiKnown for oneNoUnknown — not stated by the source
BluetoothKnown for oneNoUnknown — not stated by the source
Features2 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A85XAMD A55
Audio chipRealtek ALC887Realtek ALC887
Audio output channels7.1 channels7.1 channels
Cooling typePassivePassive
Power source typeATXATX
Compatible operating systemsKnown for oneWindows 8Unknown — not stated by the source
Overclocking featuresDiffersASUS C.P.R.OC Genie II
Expansion slots2 differ
PCI Express x1 slots11
PCI Express x16 slotsDiffers21
PCI Express configurationsDiffers1x1, 1x4, 1x161x1, 1x16
PCI Express slots version2.02.0
PCI slots11
BIOS1 differ
BIOS typeDiffersUEFI AMIUEFI
BIOS memory sizeKnown for one64 MbitUnknown — not stated by the source
ACPI versionKnown for one2.0aUnknown — not stated by the source
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WidthDiffers244 mm226 mm
DepthDiffers244 mm173 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedYesYes
Trial softwareKnown for oneAntivirusUnknown — not stated by the source
Bundled softwareKnown for oneASUS utilities ASUS UpdateUnknown — not stated by the source
Other features2 differ
Dual Link DVIKnown for oneYesUnknown — not stated by the source
Controller interface typeDiffersAMD A85X FCHAMD A55
Audio outputDiffers63
Azalia Digital Header (ADH) connectorKnown for oneNoUnknown — not stated by the source
Floppy disk drive connectorKnown for oneNoUnknown — not stated by the source
IPMI 2.0 slotKnown for oneNoUnknown — not stated by the source
PCI Express slots quantityKnown for one3Unknown — not stated by the source
Quick installation guideYesYes
Mac operating systems supportedKnown for oneNoUnknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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