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 A55BM-K AMD A55 FCH Socket FM2+ micro ATX vs ASUS A78M-A AMD A78 Socket FM2+ micro ATX

Add a product
  • 51specifications compared
  • 13differ
  • 38identical
  • 5known for one product only

Key differences

  • Maximum internal memory
    • 32 GB
    • 64 GB
  • Supported storage drive interfaces
    • SATA II, SATA III
    • SATA III
  • Maximum resolution
    • 2560 x 1600 pixels
    • 4096 x 2160 pixels
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 0
    • 1
  • Number of SATA III connectors
    • 0
    • 6
  • Number of SATA II connectors
    • 4
    • 0
  • USB 2.0 ports quantity
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 0
    • 2

Side by side

Differences highlightedShow differences only
56 specifications
A

ASUS

A55BM-K AMD A55 FCH Socket FM2+ micro ATX

Model A55BM-K

View product
B

ASUS

A78M-A AMD A78 Socket FM2+ micro ATX

Model A78M-A

View product
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket FM2+Socket FM2+
Compatible processor seriesAMD AAMD A
Memory1 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsKnown for one4
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds1333,1600,1866,2133,2400 MHz1333,1600,1866,2133,2400 MHz
Maximum internal memoryDiffers32 GB64 GB
Unbuffered memoryYesYes
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA II, SATA IIISATA III
RAID levels0, 1, 10, JBOD0, 1, 10, JBOD
Graphics1 differ
Maximum graphics card memory2048 MB2048 MB
Maximum resolutionDiffers2560 x 1600 pixels4096 x 2160 pixels
Internal I/O3 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers01
Number of SATA III connectorsDiffers06
Number of SATA II connectorsDiffers40
Number of Parallel ATA connectors00
S/PDIF out connectorYesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectors11
Number of COM connectors11
Front panel audio connectorKnown for oneYes
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers01
DVI-D ports quantity11
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek 8111GRealtek 8111GR
Features1 differ
Component forKnown for onePC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A55 FCHAMD A78
Audio chipRealtek ALC887-VDRealtek ALC887-VD
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedYesYes
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slots11
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slots11
PCI Express x16 slotsKnown for one1
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size64 Mbit64 Mbit
ACPI version4.0a4.0a
Weight & dimensions2 differ
WidthDiffers226 mm236 mm
DepthDiffers183 mm208 mm
Packaging contentidentical
Cables includedSATASATA

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