Product comparison · 2 motherboards

GIGABYTE GA-K8N51GMF-9-RH Socket 939 micro ATX vs GIGABYTE GA-M55SLI-S4 motherboard Socket AM2 ATX

Key differences

Processor socket
- GA-K8N51GMF-9-RH Socket 939 micro ATX:Socket 939
- GA-M55SLI-S4 motherboard Socket AM2 ATX:Socket AM2
USB 2.0 connectors
- GA-K8N51GMF-9-RH Socket 939 micro ATX:2
- GA-M55SLI-S4 motherboard Socket AM2 ATX:3
S/PDIF out connector
- GA-K8N51GMF-9-RH Socket 939 micro ATX:Yes
- GA-M55SLI-S4 motherboard Socket AM2 ATX:No
Number of IEEE1394 connectors
- GA-K8N51GMF-9-RH Socket 939 micro ATX:1
- GA-M55SLI-S4 motherboard Socket AM2 ATX:2
S/PDIF out port
- GA-K8N51GMF-9-RH Socket 939 micro ATX:No
- GA-M55SLI-S4 motherboard Socket AM2 ATX:Yes
Parallel ports quantity
- GA-K8N51GMF-9-RH Socket 939 micro ATX:0
- GA-M55SLI-S4 motherboard Socket AM2 ATX:1
Serial ports quantity
- GA-K8N51GMF-9-RH Socket 939 micro ATX:0
- GA-M55SLI-S4 motherboard Socket AM2 ATX:1
Motherboard form factor
- GA-K8N51GMF-9-RH Socket 939 micro ATX:micro ATX
- GA-M55SLI-S4 motherboard Socket AM2 ATX:ATX

Differences highlightedShow differences only

Comparison of GA-K8N51GMF-9-RH, GA-M55SLI-S4
45 specifications	A GIGABYTE GA-K8N51GMF-9-RH Socket 939 micro ATX Model GA-K8N51GMF-9-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
Flash memoryKnown for one	4 MB	Unknown — not stated by the source
Storage controllersidentical
RAID levelsKnown for one	1, 0+1, 5	Unknown — not stated by the source
Internal I/O3 differ
USB 2.0 connectorsDiffers	2	3
S/PDIF out connectorDiffers	Yes	No
Number of IEEE1394 connectorsDiffers	1	2
Rear panel I/O ports3 differ
S/PDIF out portDiffers	No	Yes
Parallel ports quantityDiffers	0	1
Serial ports quantityDiffers	0	1
COM ports quantityKnown for one	Unknown — not stated by the source	1
Features1 differ
Motherboard form factorDiffers	micro ATX	ATX
Expansion slots1 differ
Expansion slotsDiffers	1 x PCI-Express X16 slot 1 x PCI-Express X1 slot 2 x PCI slots (PCI 2.3 compliant)	2 x PCI Express x 16 slot 3 x PCI Express x 1 slot 2 x PCI slots
Other features1 differ
Audio outputDiffers	Realtek ALC880 audio codec	Realtek ALC850 Audio codec
RAID controller typeKnown for one	NVIDIA	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	305 mm
DepthKnown for one	Unknown — not stated by the source	244 mm
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Drivers Utilities

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.