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Product comparison · 2 motherboards

MSI H55M-E21 motherboard Intel® H55 LGA 1156 (Socket H) micro ATX vs MSI H61M-P23 (B3)

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  • 40specifications compared
  • 16differ
  • 24identical
  • 18known for one product only

Key differences

  • Processor socket
    • LGA 1156 (Socket H)
    • LGA 1155 (Socket H2)
  • Supported memory clock speeds
    • 1066,1333,1600 MHz
    • 1066,1333 MHz
  • Maximum internal memory
    • 8 GB
    • 16 GB
  • Number of SATA II connectors
    • 6
    • 4
  • Number of Parallel ATA connectors
    • 1
    • 0
  • VGA (D-Sub) ports quantity
    • 0
    • 1
  • HDMI ports quantity
    • 1
    • 0
  • DVI-D ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
58 specifications
A

MSI

H55M-E21 motherboard Intel® H55 LGA 1156 (Socket H) micro ATX

Model H55M-E21

View product
B

MSI

H61M-P23 (B3)View product
Processor2 differ
Processor manufacturerIntelIntel
Processor socketDiffersLGA 1156 (Socket H)LGA 1155 (Socket H2)
Compatible processor seriesDiffersIntel® Core™ i3, Intel® Core™ i5Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Memory2 differ
Supported memory typesKnown for oneDDR3-SDRAM
Number of memory slots22
Memory channelsDual-channelDual-channel
Memory voltage1.5 V1.5 V
Supported memory clock speedsDiffers1066,1333,1600 MHz1066,1333 MHz
Maximum internal memoryDiffers8 GB16 GB
Supported memory module capacitiesKnown for one1GB, 2GB, 4GB
Storage controllersidentical
Supported storage drive interfacesKnown for oneSATA II
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
On-board graphics cardNoNo
Internal I/O2 differ
USB 2.0 connectors33
Number of SATA II connectorsDiffers64
Number of Parallel ATA connectorsDiffers10
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
TPM connectorYesYes
Number of EATX power connectorsKnown for one1
Number of chassis fan connectorsKnown for one2
Chassis intrusion connectorKnown for oneYes
Rear panel I/O ports3 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantityDiffers10
HDMI versionKnown for one1.3
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for one0
Headphone outputs11
Modem (RJ-11) portsKnown for one0
Microphone inKnown for oneYes
Parallel ports quantityKnown for one1
Serial ports quantityKnown for one1
Network2 differ
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
LAN controllerDiffersRealtek RTL8105EAtheros AR8151
BluetoothKnown for oneNo
Networking featuresKnown for oneFast Ethernet
Features2 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyKnown for oneIntel
Motherboard chipsetDiffersIntel® H55Intel® H61
Audio chipDiffersRealtek ALC887VIA VT1708S
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Expansion slots1 differ
PCI Express x1 slotsDiffers23
PCI Express x16 slots11
PCI slotsKnown for one1
PCI Express slots versionKnown for one2.0
Weight & dimensions2 differ
WidthDiffers210 mm245 mm
DepthDiffers245 mm205 mm
Other featuresidentical
Controller interface typeKnown for oneSATAII 3 Gb/s

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