Product comparison · 2 motherboards

MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX vs MSI FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX

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  • 64specifications compared
  • 24differ
  • 40identical
  • 10known for one product only

Key differences

The MSI FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX has 2 more memory slots than the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX (4 vs 2). The MSI FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX has 16 GB more maximum internal memory than the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX (32 GB vs 16 GB). The MSI FM2-A85XA-G65 motherboard AMD A85X Socket FM2 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 storage drive interfaces: SATA II on the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX, SATA III on the MSI FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX. RAID levels: 0, 1, 10, JBOD on the MSI FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX, 0, 1, 5, 10 on the MSI FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX.

  • Number of memory slots
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:2
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:4
  • Maximum internal memory
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:16 GB
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:32 GB
  • Supported storage drive interfaces
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:SATA II
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:SATA III
  • RAID levels
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:0, 1, 10, JBOD
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:0, 1, 5, 10
  • Parallel processing technology support
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:Not supported
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:2-Way CrossFireX
  • USB 2.0 connectors
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:2
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:3
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:0
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:1
  • Number of SATA III connectors
    • FM2-A55M-E33 motherboard AMD A55 Socket FM2 micro ATX:0
    • FM2-A85XA-G65 motherboard AMD A85X Socket FM2 ATX:8

Side by side

Differences highlightedShow differences only (on)
Comparison of FM2-A55M-E33, FM2-A85XA-G65
74 specifications
Memory2 differ
Number of memory slotsDiffers24
Maximum internal memoryDiffers16 GB32 GB
Memory channelsKnown for oneDual-channelUnknown — not stated by the source
Storage controllers2 differ
Supported storage drive interfacesDiffersSATA IISATA III
RAID levelsDiffers0, 1, 10, JBOD0, 1, 5, 10
Graphics1 differ
Parallel processing technology supportDiffersNot supported2-Way CrossFireX
Internal I/O5 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers01
Number of SATA III connectorsDiffers08
Number of SATA II connectorsDiffers40
Number of SATA connectorsDiffers48
Number of chassis fan connectorsKnown for oneUnknown — not stated by the source4
EPS power connector (8-pin)Known for oneUnknown — not stated by the sourceYes
Number of COM connectorsKnown for one1Unknown — not stated by the source
TPM connectorKnown for oneYesUnknown — not stated by the source
Rear panel I/O ports3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
PS/2 ports quantityDiffers21
DVI-D ports quantityDiffers01
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetDiffersAMD A55AMD A85X
Audio chipDiffersRealtek ALC887Realtek ALC892
Expansion slots4 differ
PCI Express x1 slotsDiffers13
PCI Express x16 slotsDiffers12
PCI Express configurationsDiffers1x1, 1x161x8, 1x16
PCI slotsDiffers12
BIOSidentical
Clear CMOS buttonKnown for oneUnknown — not stated by the sourceYes
Clear CMOS jumperKnown for oneYesUnknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers226 mm245 mm
DepthDiffers173 mm305 mm
Other features2 differ
Controller interface typeDiffersAMD A55AMD A85X
Audio outputDiffers36
PCI Express slots quantityKnown for oneUnknown — not stated by the source5

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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