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Product comparison · 2 motherboards

ASUS A55BM-PLUS/CSM AMD A55 FCH Socket FM2+ micro ATX vs ASUS F2A85-M2 motherboard AMD A85X Socket FM2 micro ATX

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  • 50specifications compared
  • 10differ
  • 40identical
  • 23known for one product only

Key differences

  • Processor socket
    • Socket FM2+
    • Socket FM2
  • Supported storage drive interfaces
    • SATA II
    • SATA
  • RAID levels
    • 0, 1, 10, JBOD
    • 0, 1, 0+1, 5, 10, JBOD
  • USB 2.0 connectors
    • 6
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 0
    • 1
  • Number of SATA III connectors
    • 0
    • 6
  • HDMI ports quantity
    • 1
    • 0
  • Motherboard chipset
    • AMD A55 FCH
    • AMD A85X

Side by side

Differences highlightedShow differences only
73 specifications
A

ASUS

A55BM-PLUS/CSM AMD A55 FCH Socket FM2+ micro ATX

Model A55BM-PLUS/CSM

View product
B

ASUS

F2A85-M2 motherboard AMD A85X Socket FM2 micro ATX

Model F2A85-M2

View product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketDiffersSocket FM2+Socket FM2
Compatible processor seriesAMD AAMD A
Maximum number of SMP processors11
Memory1 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1333,1600,1866,2133,2200,2250,2400 MHz1066,1333,1600,1866 MHz
Maximum internal memory64 GB64 GB
Unbuffered memoryYesYes
Storage controllers2 differ
Supported storage drive interfacesDiffersSATA IISATA
RAID levelsDiffers0, 1, 10, JBOD0, 1, 0+1, 5, 10, JBOD
Graphicsidentical
Parallel processing technology supportKnown for one2-Way CrossFireX
Graphics card familyAMDAMD
Maximum resolutionKnown for one4096 x 2160 pixels
On-board graphics cardKnown for oneYes
Discrete graphics supportKnown for oneYes
Internal I/O3 differ
USB 2.0 connectorsDiffers62
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers01
Number of SATA III connectorsDiffers06
Number of SATA II connectorsKnown for one6
Number of Parallel ATA connectorsKnown for one1
S/PDIF out connectorKnown for oneYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectors22
Chassis intrusion connectorYesYes
Peripheral (Molex) power connectors (4-pin)Known for one1
Number of COM connectorsKnown for one1
Number of SATA connectorsKnown for one6
TPM connectorKnown for oneYes
Rear panel I/O ports1 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers10
DVI-D ports quantity11
Headphone outputs11
Microphone inYesYes
DisplayPorts quantityKnown for one1
COM ports quantityKnown for one1
Network1 differ
Ethernet LANYesYes
Ethernet interface typeDiffersFast Ethernet, Gigabit EthernetGigabit Ethernet
LAN controllerKnown for oneRealtek RTL8111G
Features1 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A55 FCHAMD A85X
Audio output channels7.1 channels7.1 channels
Cooling typeKnown for onePassive
Power source typeATXATX
Windows operating systems supportedKnown for oneWindows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Win
Audio chipKnown for oneRealtek ALC887
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slots11
PCI Express x16 (Gen 2.x) slots11
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slots11
PCI Express x4 (Gen 2.x) slotsKnown for one1
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size64 Mbit64 Mbit
ACPI version2.0a2.0a
Clear CMOS jumperKnown for oneYes
Weight & dimensionsidentical
WidthKnown for one244 mm
DepthKnown for one234 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedKnown for oneYes

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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