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Product comparison · 2 motherboards

MSI 870A-G46 motherboard AMD 870 (RX881) Socket AM3 ATX vs MSI Z68A-GD55 (B3)

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  • 42specifications compared
  • 15differ
  • 27identical
  • 18known for one product only

Key differences

  • Processor manufacturer
    • AMD
    • Intel
  • Processor socket
    • Socket AM3
    • LGA 1155 (Socket H2)
  • Supported memory clock speeds
    • 800,1066,1333,1600 MHz
    • 1066,1333,1600,2133 MHz
  • Number of SATA III connectors
    • 6
    • 4
  • Number of chassis fan connectors
    • 2
    • 4
  • USB 2.0 ports quantity
    • 6
    • 4
  • PS/2 ports quantity
    • 11
    • 1
  • VGA (D-Sub) ports quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
60 specifications
A

MSI

870A-G46 motherboard AMD 870 (RX881) Socket AM3 ATX

Model 870A-G46

View product
B

MSI

Z68A-GD55 (B3)View product
Processor3 differ
Processor manufacturerDiffersAMDIntel
Processor socketDiffersSocket AM3LGA 1155 (Socket H2)
Compatible processor seriesDiffersAMD Phenom II X2, AMD Phenom II X4, AMD Phenom II X6Intel® Pentium®
Memory1 differ
Number of memory slots44
Memory channelsDual-channelDual-channel
Memory voltage1.5 V1.5 V
Supported memory clock speedsDiffers800,1066,1333,1600 MHz1066,1333,1600,2133 MHz
Maximum internal memory32 GB32 GB
Supported memory module capacitiesKnown for one1GB, 2GB, 4GB, 8GB
Storage controllersidentical
RAID levels0, 1, 5, 100, 1, 5, 10
Graphicsidentical
On-board graphics cardNoNo
Internal I/O2 differ
USB 2.0 connectors33
USB 3.2 Gen 1 (3.1 Gen 1) connectorsKnown for one1
Number of SATA III connectorsDiffers64
Number of SATA II connectorsKnown for one4
Number of Parallel ATA connectorsKnown for one0
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
CD/AUX audio inKnown for oneYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers24
Chassis intrusion connectorYesYes
TPM connectorYesYes
Power fan connectorKnown for oneYes
EPS power connector (8-pin)Known for oneYes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers64
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantityDiffers111
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantityDiffers01
DVI-D ports quantityDiffers01
Headphone outputs11
Microphone inYesYes
S/PDIF out portYesYes
Digital audio optical outKnown for one1
Serial ports quantityKnown for one1
Networkidentical
Ethernet interface typeKnown for oneGigabit Ethernet
LAN controllerKnown for oneRealtek RTL8111E
Features1 differ
Component forPCPC
Motherboard form factorATXATX
Motherboard chipsetDiffersAMD 870 (RX881)Intel Z68
Audio chipRealtek ALC892Realtek ALC892
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Motherboard southbridgeKnown for oneAMD SB850
Compatible operating systemsKnown for oneWindows 98SE, ME, 2000, XP, Vista, 7
Expansion slots2 differ
PCI Express x1 slotsDiffers13
PCI Express x16 slots22
PCI Express slots versionKnown for one2.0
PCI slotsDiffers32
Weight & dimensions1 differ
Width305 mm305 mm
DepthDiffers215 mm245 mm
Other featuresidentical
Controller 2nd interface typeKnown for oneSATAII 3Gb/s
Controller interface typeKnown for oneSATAIII 6Gb/s
Quick installation guideKnown for oneYes

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