Product comparison · 2 motherboards

GIGABYTE GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX vs GIGABYTE P31-S3G Socket 775 P31

31specifications compared
14differ
17identical
17known for one product only

Key differences

Processor socket
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:LGA 1156 (Socket H)
- P31-S3G Socket 775 P31:LGA 775 (Socket T)
Number of memory slots
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:4
- P31-S3G Socket 775 P31:2
Maximum internal memory
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:16 GB
- P31-S3G Socket 775 P31:4 GB
Number of SATA connectors
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:8
- P31-S3G Socket 775 P31:4
USB 2.0 ports quantity
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:10
- P31-S3G Socket 775 P31:4
eSATA ports quantity
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:1
- P31-S3G Socket 775 P31:0
Firewire (IEEE 1394) ports
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:1
- P31-S3G Socket 775 P31:0
Headphone outputs
- GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX:1
- P31-S3G Socket 775 P31:3

Side by side

Differences highlightedShow differences only

Comparison of GA-P55M-UD2, P31-S3G Socket 775 P31
48 specifications	A GIGABYTE GA-P55M-UD2 motherboard LGA 1156 (Socket H) micro ATX Model GA-P55M-UD2 View product	B GIGABYTE P31-S3G Socket 775 P31 View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Memory2 differ
Number of memory slotsDiffers	4	2
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Maximum internal memoryDiffers	16 GB	4 GB
Storage controllersidentical
RAID levelsKnown for one	0, 1, 5, 10, JBOD	Unknown — not stated by the source
Internal I/O1 differ
USB 2.0 connectors	2	2
Number of SATA connectorsDiffers	8	4
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	10	4
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityDiffers	1	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	1	0
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	0	0
DVI-D ports quantity	0	0
Headphone outputsDiffers	1	3
Microphone in	Yes	Yes
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Network1 differ
Networking featuresDiffers	10/100/1000 Mbit	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111B
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Audio chipDiffers	Realtek ALC888B	Realtek ALC662
Audio output channelsDiffers	7.1 channels	5.1 channels
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows Vista / XP / 2000
Expansion slotsidentical
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	1	1
Expansion slotsKnown for one	2 x PCI	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	3
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	244 mm	194 mm
Other featuresidentical
S/PDIF in portKnown for one	Yes	Unknown — not stated by the source
Floppy disk drive connector	Yes	Yes
Packaging contentidentical
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security

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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