Product comparison · 2 motherboards

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

37specifications compared
10differ
27identical
8known for one product only

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

Side by side

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 manufacturer	AMD	AMD
Processor socketDiffers	Socket 939	Socket AM2
Memoryidentical
Number of memory slots	4	4
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
Number of SATA connectors	4	4
Number of Parallel ATA connectors	0	0
S/PDIF out connectorDiffers	Yes	No
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectors	2	2
CPU fan connector	Yes	Yes
Number of chassis fan connectors	2	2
Chassis intrusion connector	Yes	Yes
Number of COM connectors	1	1
Number of IEEE1394 connectorsDiffers	1	2
Rear panel I/O ports3 differ
USB 2.0 ports quantity	4	4
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	1	1
VGA (D-Sub) ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out portDiffers	No	Yes
Parallel ports quantityDiffers	0	1
Serial ports quantityDiffers	0	1
Modem (RJ-11) ports	0	0
COM ports quantityKnown for one	Unknown — not stated by the source	1
Features1 differ
Motherboard form factorDiffers	micro ATX	ATX
Power source type	ATX	ATX
Compatible operating systems	Windows Linux	Windows Linux
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
Azalia Digital Header (ADH) connector	No	No
EZ plug connector	No	No
Floppy disk drive connector	Yes	Yes
GAME/MIDI connector	No	No
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.

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