All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 motherboards

ASUS F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX vs ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX

Add a product
  • 78specifications compared
  • 13differ
  • 65identical
  • 14known for one product only

Key differences

The ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the ASUS F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX (1 vs 0). The ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX has 7 more SATA III connectors than the ASUS F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX (7 vs 0). The ASUS F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX has 6 more SATA II connectors than the ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX (6 vs 0). Supported memory clock speeds: 1066,1333,1600,1866 MHz on the ASUS F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX, 1600,1866,2000,2133,2200,2250,2400 MHz on the ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX. Supported storage drive interfaces: SATA II on the ASUS F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX, SATA III on the ASUS F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX.

  • Supported storage drive interfaces
    • SATA II
    • SATA III
  • RAID levels
    • 0, 1, 10, JBOD
    • 0, 1, 5, 10, JBOD
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 0
    • 1
  • Number of SATA III connectors
    • 0
    • 7
  • Number of SATA II connectors
    • 6
    • 0
  • Number of SATA connectors
    • 6
    • 7
  • USB 2.0 ports quantity
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4

Side by side

Differences highlightedShow differences only
92 specifications
A

ASUS

F2A55-M/CSM motherboard AMD A55 Socket FM2 micro ATX

Model F2A55-M/CSM

View product
B

ASUS

F2A85-M/CSM motherboard AMD A85X Socket FM2 micro ATX

Model F2A85-M/CSM

View product
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket FM2Socket 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 speedsDiffers1066,1333,1600,1866 MHz1600,1866,2000,2133,2200,2250,2400 MHz
Maximum internal memory64 GB64 GB
Unbuffered memoryYesYes
Storage controllers2 differ
Supported storage drive interfacesDiffersSATA IISATA III
RAID levelsDiffers0, 1, 10, JBOD0, 1, 5, 10, JBOD
Graphics1 differ
Parallel processing technology supportDiffers2-Way CrossFireX, Quad-GPU CrossFireX2-Way CrossFireX
On-board graphics cardKnown for oneYes
Graphics card familyAMDAMD
Graphics cardRadeon HD 7000Radeon HD 7000
Maximum resolution2560 x 1600 pixels2560 x 1600 pixels
HDCPKnown for oneYes
DirectX version1111
Discrete graphics supportYesYes
Internal I/O4 differ
USB 2.0 connectors33
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers01
Number of SATA III connectorsDiffers07
Number of SATA II connectorsDiffers60
Number of SATA connectorsDiffers67
Number of Parallel ATA connectors00
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
CD/AUX audio inKnown for oneNo
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
Power fan connectorYesYes
CPU fan connectorYesYes
Number of chassis fan connectors11
Chassis intrusion connectorYesYes
Number of COM connectors11
TPM connectorYesYes
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers01
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
HDMI versionKnown for one1.4a
DVI-D ports quantity11
Microphone inYesYes
S/PDIF out portYesYes
Digital audio optical outKnown for one1
Headphone outputsKnown for one1
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek RTL8111FRealtek RTL8111F
Wi-FiNoNo
BluetoothNoNo
Features1 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A55AMD A85X
Audio chipRealtek ALC887Realtek ALC887
Audio output channels7.1 channels7.1 channels
Cooling typePassivePassive
Power source typeATXATX
Compatible operating systemsKnown for oneWindows 8
Overclocking featuresKnown for oneASUS C.P.R.
Expansion slotsidentical
PCI Express x1 slots11
PCI Express x16 slots22
PCI Express configurations1x1, 1x4, 1x161x1, 1x4, 1x16
PCI Express slots version2.02.0
PCI slots11
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size64 Mbit64 Mbit
ACPI version2.0a2.0a
Weight & dimensionsidentical
Width244 mm244 mm
Depth244 mm244 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedYesYes
Trial softwareAntivirusAntivirus
Bundled softwareASUS utilities ASUS UpdateASUS utilities ASUS Update
Other features1 differ
Dual Link DVIKnown for oneYes
Controller interface typeDiffersAMD A55AMD A85X FCH
Audio output66
Azalia Digital Header (ADH) connectorKnown for oneNo
Floppy disk drive connectorKnown for oneNo
IPMI 2.0 slotKnown for oneNo
PCI Express slots quantity33
Quick installation guideYesYes
Mac operating systems supportedKnown for oneNo
Controller 2nd interface typeKnown for oneASMediaASM1042

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.

More motherboard comparisons

All motherboard comparisons