Product comparison · 2 motherboards

GIGABYTE GA-K8N51PVM9-RH motherboard Socket 939 micro ATX vs GIGABYTE GA-M55SLI-S4 motherboard Socket AM2 ATX

25specifications compared
8differ
17identical
17known for one product only

Key differences

Processor socket
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:Socket 939
- GA-M55SLI-S4 motherboard Socket AM2 ATX:Socket AM2
USB 2.0 connectors
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:2
- GA-M55SLI-S4 motherboard Socket AM2 ATX:3
Number of Parallel ATA connectors
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:2
- GA-M55SLI-S4 motherboard Socket AM2 ATX:0
S/PDIF out connector
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:Yes
- GA-M55SLI-S4 motherboard Socket AM2 ATX:No
Motherboard form factor
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:micro ATX
- GA-M55SLI-S4 motherboard Socket AM2 ATX:ATX
Width
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:244 mm
- GA-M55SLI-S4 motherboard Socket AM2 ATX:305 mm
Audio output
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:Realtek ALC880 audio codec
- GA-M55SLI-S4 motherboard Socket AM2 ATX:Realtek ALC850 Audio codec

Side by side

Differences highlightedShow differences only

Comparison of GA-K8N51PVM9-RH, GA-M55SLI-S4
42 specifications	A GIGABYTE GA-K8N51PVM9-RH motherboard Socket 939 micro ATX Model GA-K8N51PVM9-RH View product	B GIGABYTE GA-M55SLI-S4 motherboard Socket AM2 ATX Model GA-M55SLI-S4 View product
Processor1 differ
Processor socketDiffers	Socket 939	Socket AM2
Memoryidentical
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Internal I/O3 differ
USB 2.0 connectorsDiffers	2	3
Number of Parallel ATA connectorsDiffers	2	0
S/PDIF out connectorDiffers	Yes	No
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	2
CPU fan connectorKnown for one	Unknown — not stated by the source	Yes
Number of chassis fan connectorsKnown for one	Unknown — not stated by the source	2
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	2
Rear panel I/O portsidentical
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
Features1 differ
Motherboard form factorDiffers	micro ATX	ATX
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows Linux
Expansion slots1 differ
Expansion slotsDiffers	1 x PCI-Express X16 1 x PCI-Express X1 2 x PCI	2 x PCI Express x 16 slot 3 x PCI Express x 1 slot 2 x PCI slots
Weight & dimensions1 differ
WidthDiffers	244 mm	305 mm
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Drivers Utilities
Other features1 differ
Audio outputDiffers	Realtek ALC880 audio codec	Realtek ALC850 Audio codec
Azalia Digital Header (ADH) connectorKnown for one	Unknown — not stated by the source	No
EZ plug connectorKnown for one	Unknown — not stated by the source	No
GAME/MIDI connectorKnown for one	Unknown — not stated by the source	No

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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