Product comparison · 2 motherboards

GIGABYTE GA-8S661GXMP (rev. 1.1) vs GIGABYTE GA-K8N Pro-SLI (rev. 1.0)

33specifications compared
13differ
20identical
18known for one product only

Key differences

The GIGABYTE GA-K8N Pro-SLI (rev. 1.0) has 2 more memory slots than the GIGABYTE GA-8S661GXMP (rev. 1.1) (4 vs 2). The GIGABYTE GA-K8N Pro-SLI (rev. 1.0) has 2 GB more maximum internal memory than the GIGABYTE GA-8S661GXMP (rev. 1.1) (4 GB vs 2 GB). The GIGABYTE GA-K8N Pro-SLI (rev. 1.0) has 1 more USB 2.0 connectors than the GIGABYTE GA-8S661GXMP (rev. 1.1) (3 vs 2). Only the GIGABYTE GA-8S661GXMP (rev. 1.1) has on-board graphics card. Processor socket: Socket 478 on the GIGABYTE GA-8S661GXMP (rev. 1.1), Socket 939 on the GIGABYTE GA-K8N Pro-SLI (rev. 1.0).

Processor socket
- GA-8S661GXMP (rev. 1.1):Socket 478
- GA-K8N Pro-SLI (rev. 1.0):Socket 939
Number of memory slots
- GA-8S661GXMP (rev. 1.1):2
- GA-K8N Pro-SLI (rev. 1.0):4
Maximum internal memory
- GA-8S661GXMP (rev. 1.1):2 GB
- GA-K8N Pro-SLI (rev. 1.0):4 GB
On-board graphics card
- GA-8S661GXMP (rev. 1.1):Yes
- GA-K8N Pro-SLI (rev. 1.0):No
USB 2.0 connectors
- GA-8S661GXMP (rev. 1.1):2
- GA-K8N Pro-SLI (rev. 1.0):3
VGA (D-Sub) ports quantity
- GA-8S661GXMP (rev. 1.1):1
- GA-K8N Pro-SLI (rev. 1.0):0
Networking features
- GA-8S661GXMP (rev. 1.1):Fast Ethernet
- GA-K8N Pro-SLI (rev. 1.0):Gigabit Ethernet
Motherboard form factor
- GA-8S661GXMP (rev. 1.1):micro ATX
- GA-K8N Pro-SLI (rev. 1.0):ATX

Side by side

Differences highlightedShow differences only

Comparison of GA-8S661GXMP (rev. 1.1), GA-K8N Pro-SLI (rev. 1.0)
51 specifications	A GIGABYTE GA-8S661GXMP (rev. 1.1)View product	B GIGABYTE GA-K8N Pro-SLI (rev. 1.0)View product
Processor1 differ
Processor socketDiffers	Socket 478	Socket 939
Compatible processor seriesKnown for one	Intel® Pentium® 4	Unknown — not stated by the source
Maximum number of SMP processors	1	1
Processor system buses supportedKnown for one	800 MHz	Unknown — not stated by the source
Processor manufacturerKnown for one	Unknown — not stated by the source	AMD
Memory2 differ
Number of memory slotsDiffers	2	4
Supported memory clock speeds	266,333,400 MHz	266,333,400 MHz
Maximum internal memoryDiffers	2 GB	4 GB
Graphics1 differ
Maximum graphics card memoryKnown for one	64 MB	Unknown — not stated by the source
Parallel processing technology support	Not supported	Not supported
On-board graphics cardDiffers	Yes	No
Internal I/O1 differ
USB 2.0 connectorsDiffers	2	3
Number of Parallel ATA connectors	2	2
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
CD/AUX audio in	Yes	Yes
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	1	Unknown — not stated by the source
Number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	3
Rear panel I/O ports1 differ
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantity	0	0
DVI-D ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
COM ports quantity	1	1
Parallel ports quantity	1	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Networking featuresDiffers	Fast Ethernet	Gigabit Ethernet
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Audio chipDiffers	Realtek ALC655	Realtek ALC850
Audio output channelsDiffers	6.1 channels	7.1 channels
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98/ Me/ 2000/ XP
Expansion slots1 differ
PCI slotsDiffers	3	2
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	2
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	2
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	230 mm	244 mm
Packaging contentidentical
Bundled softwareKnown for one	Norton Internet Security - Norton Anti-Virus - Norton Personal Firewall - Norton Privacy Control - Norton Parental Control - Norton Spam Alert GIGABYTE Windows Utility Manager Adobe Acrobat Reader	Unknown — not stated by the source
Other featuresidentical
S/PDIF in connectorKnown for one	Yes	Unknown — not stated by the source
AGP x8 slotsKnown for one	1	Unknown — not stated by the source
Floppy disk drive connector	Yes	Yes
Quick installation guide	Yes	Yes
S/PDIF in portKnown for one	Unknown — not stated by the source	Yes
BIOSidentical
BIOS memory sizeKnown for one	Unknown — not stated by the source	64 Mbit

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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