Product comparison · 2 motherboards

ASUS A8N-SLI S939 vs GIGABYTE GA-K8N51PVM9-RH motherboard Socket 939 micro ATX

26specifications compared
8differ
18identical
17known for one product only

Key differences

USB 2.0 connectors
- A8N-SLI S939:3
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:2
S/PDIF out connector
- A8N-SLI S939:No
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:Yes
VGA (D-Sub) ports quantity
- A8N-SLI S939:0
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:1
Motherboard form factor
- A8N-SLI S939:ATX
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:micro ATX
Width
- A8N-SLI S939:305 mm
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:244 mm
Depth
- A8N-SLI S939:245 mm
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:244 mm
Audio output
- A8N-SLI S939:Realtek ALC850
- GA-K8N51PVM9-RH motherboard Socket 939 micro ATX:Realtek ALC880 audio codec

Side by side

Differences highlightedShow differences only

Comparison of A8N-SLI S939, GA-K8N51PVM9-RH
43 specifications	A ASUS A8N-SLI S939 View product	B GIGABYTE GA-K8N51PVM9-RH motherboard Socket 939 micro ATX Model GA-K8N51PVM9-RH View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket 939	Socket 939
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
Memoryidentical
Number of memory slots	4	4
ECC сompatibilityKnown for one	ECC & Non-ECC	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Storage controllersidentical
RAID levelsKnown for one	0, 1, 1+0	Unknown — not stated by the source
Internal I/O2 differ
USB 2.0 connectorsDiffers	3	2
Number of SATA connectors	4	4
Number of Parallel ATA connectors	2	2
S/PDIF out connectorDiffers	No	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connectorKnown for one	Yes	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Number of COM connectors	1	1
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports1 differ
USB 2.0 ports quantity	4	4
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	0	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Parallel ports quantity	1	1
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	AI NET2	Unknown — not stated by the source
Features1 differ
Motherboard form factorDiffers	ATX	micro ATX
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Power source type	ATX	ATX
Expansion slots1 differ
Expansion slotsDiffers	- 2 x PCI Express x16 - 2 x PCI Express x1 - 3 x PCI	1 x PCI-Express X16 1 x PCI-Express X1 2 x PCI
BIOSidentical
BIOS memory sizeKnown for one	32 Mbit	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	245 mm	244 mm
Packaging contentidentical
Bundled softwareKnown for one	- ASUS PC Probe - PC Health Monitoring - ASUS LiveUpdate - ASUS AI Booster - ASUS Cool 'n' Quiet - NVIDIA nTune - Anti-virus (OEM)	Unknown — not stated by the source
Other features1 differ
Controller interface typeKnown for one	SATA 3Gb/s	Unknown — not stated by the source
Audio outputDiffers	Realtek ALC850	Realtek ALC880 audio codec
Floppy disk drive connector	Yes	Yes
GAME/MIDI connectorKnown for one	Yes	Unknown — not stated by the source

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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