Product comparison · 2 motherboards

GIGABYTE GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX vs MSI P55-GD55 motherboard LGA 1156 (Socket H) ATX

29specifications compared
8differ
21identical
26known for one product only

Key differences

Number of SATA connectors
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:6
USB 2.0 ports quantity
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:10
PS/2 ports quantity
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:1
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:2
Headphone outputs
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:6
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:1
Networking features
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:10/100/1000 Mbit
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:10/100/1000 Fast Ethernet
Audio chip
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:Realtek ALC888
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:Realtek ALC889
PCI Express x1 slots
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:3
Depth
- GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX:244 mm
- P55-GD55 motherboard LGA 1156 (Socket H) ATX:215 mm

Side by side

Differences highlightedShow differences only

Comparison of GA-P55A-UD3, P55-GD55
55 specifications	A GIGABYTE GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX Model GA-P55A-UD3 View product	B MSI P55-GD55 motherboard LGA 1156 (Socket H) ATX Model P55-GD55 View product
Memoryidentical
Memory voltageKnown for one	1.5 V	Unknown — not stated by the source
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Storage controllersidentical
RAID levelsKnown for one	0, 1, 10	Unknown — not stated by the source
Internal I/O1 differ
Number of SATA connectorsDiffers	8	6
Front panel audio connectorKnown for one	Yes	Unknown — not stated by the source
Number of EATX power connectorsKnown for one	0	Unknown — not stated by the source
Power fan connectorKnown for one	Yes	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	0	Unknown — not stated by the source
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	8	10
PS/2 ports quantityDiffers	1	2
Headphone outputsDiffers	6	1
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
COM ports quantityKnown for one	0	Unknown — not stated by the source
WiFi-AP antenna jackKnown for one	0	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	10/100/1000 Mbit	10/100/1000 Fast Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111DL
Features1 differ
Motherboard chipsetKnown for one	Intel® P55	Unknown — not stated by the source
Audio chipDiffers	Realtek ALC888	Realtek ALC889
Compatible operating systemsKnown for one	Win XP, Vista, 7	Unknown — not stated by the source
Overclocking featuresKnown for one	PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slotsDiffers	2	3
PCI slotsKnown for one	3	Unknown — not stated by the source
BIOSidentical
BIOS memory sizeKnown for one	32 Mbit	Unknown — not stated by the source
Weight & dimensions1 differ
DepthDiffers	244 mm	215 mm
Packaging contentidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Norton Internet Security	Unknown — not stated by the source
Other featuresidentical
S/PDIF in connectorKnown for one	Yes	Unknown — not stated by the source
S/PDIF in portKnown for one	Yes	Unknown — not stated by the source
Controller 2nd interface typeKnown for one	ATA-133/100/66/33	Unknown — not stated by the source
Controller interface typeKnown for one	iTE IT8720	Unknown — not stated by the source
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Special featuresKnown for one	@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2	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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