Product comparison · 2 motherboards

ASUS Maximus III Formula vs GIGABYTE GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX

34specifications compared
11differ
23identical
15known for one product only

Key differences

RAID levels
- Maximus III Formula:0, 1
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:0, 1, 10
Number of SATA connectors
- Maximus III Formula:10
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:8
USB 2.0 ports quantity
- Maximus III Formula:9
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:8
eSATA ports quantity
- Maximus III Formula:1
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:0
Firewire (IEEE 1394) ports
- Maximus III Formula:1
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:0
Headphone outputs
- Maximus III Formula:6
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:3
Networking features
- Maximus III Formula:10/100/1000 Mbit
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:Gigabit Ethernet
PCI Express x1 slots
- Maximus III Formula:2
- GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX:4

Side by side

Differences highlightedShow differences only

Comparison of Maximus III Formula, GA-P55-US3L
49 specifications	A ASUS Maximus III Formula View product	B GIGABYTE GA-P55-US3L Intel® P55 LGA 1156 (Socket H) ATX Model GA-P55-US3L View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Memoryidentical
Number of memory slots	4	4
Maximum internal memory	16 GB	16 GB
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Storage controllers1 differ
RAID levelsDiffers	0, 1	0, 1, 10
Internal I/O1 differ
USB 2.0 connectors	3	3
Number of SATA connectorsDiffers	10	8
Number of Parallel ATA connectorsKnown for one	Unknown — not stated by the source	1
S/PDIF out connectorKnown for one	Unknown — not stated by the source	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio inKnown for one	Unknown — not stated by the source	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Chassis intrusion connector	Yes	Yes
Number of chassis fan connectorsKnown for one	6	Unknown — not stated by the source
Number of IEEE1394 connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	9	8
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityDiffers	1	0
PS/2 ports quantity	1	1
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	6	3
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
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
Featuresidentical
Motherboard form factor	ATX	ATX
Motherboard chipset	Intel® P55	Intel® P55
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC888
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Unknown — not stated by the source	Win 7/Vista/XP
Expansion slots3 differ
PCI Express x1 slotsDiffers	2	4
PCI Express x16 slotsDiffers	3	2
PCI slotsDiffers	2	1
BIOSidentical
BIOS memory sizeKnown for one	Unknown — not stated by the source	32 Mbit
Weight & dimensions1 differ
Width	305 mm	305 mm
DepthDiffers	244 mm	190 mm
Packaging contentidentical
Drivers included	Yes	Yes
Other featuresidentical
S/PDIF in connectorKnown for one	Unknown — not stated by the source	Yes
Controller interface typeKnown for one	Unknown — not stated by the source	iTE IT8720
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes

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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