Product comparison · 2 motherboards

ASUS P5Q3 LGA 775 (Socket T) ATX vs GIGABYTE GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX

36specifications compared
10differ
26identical
18known for one product only

Key differences

USB 2.0 connectors
- P5Q3 LGA 775 (Socket T) ATX:3
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:12
Number of SATA connectors
- P5Q3 LGA 775 (Socket T) ATX:6
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:8
Number of chassis fan connectors
- P5Q3 LGA 775 (Socket T) ATX:2
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:1
Number of IEEE1394 connectors
- P5Q3 LGA 775 (Socket T) ATX:1
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:3
USB 2.0 ports quantity
- P5Q3 LGA 775 (Socket T) ATX:6
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:8
Ethernet LAN (RJ-45) ports
- P5Q3 LGA 775 (Socket T) ATX:1
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:2
eSATA ports quantity
- P5Q3 LGA 775 (Socket T) ATX:1
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:0
Firewire (IEEE 1394) ports
- P5Q3 LGA 775 (Socket T) ATX:1
- GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX:2

Side by side

Differences highlightedShow differences only

Comparison of P5Q3, GA-EP45-UD3P
54 specifications	A ASUS P5Q3 LGA 775 (Socket T) ATX Model P5Q3 View product	B GIGABYTE GA-EP45-UD3P motherboard LGA 775 (Socket T) ATX Model GA-EP45-UD3P View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Memoryidentical
Number of memory slots	4	4
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Maximum internal memory	16 GB	16 GB
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Storage controllersidentical
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Internal I/O4 differ
USB 2.0 connectorsDiffers	3	12
Number of SATA connectorsDiffers	6	8
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
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	2	1
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Number of IEEE1394 connectorsDiffers	1	3
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantityDiffers	1	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	1	2
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	0	0
DVI-D ports quantity	0	0
Headphone outputsDiffers	1	6
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
Network1 differ
LAN controller	Realtek RTL8111C	Realtek RTL8111C
Networking featuresDiffers	Gigabit LAN	10/100/1000 Mbit
Featuresidentical
Motherboard form factor	ATX	ATX
Audio chipKnown for one	Realtek ALC1200	Unknown — not stated by the source
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	Microsoft Windows Vista, XP
Expansion slotsidentical
PCI Express x1 slots	3	3
PCI Express x16 slots	2	2
PCI slotsKnown for one	2	Unknown — not stated by the source
Expansion slotsKnown for one	Unknown — not stated by the source	2 x PCI
BIOSidentical
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
BIOS typeKnown for one	Unknown — not stated by the source	AWARD
Weight & dimensionsidentical
Width	305 mm	305 mm
Depth	244 mm	244 mm
Packaging contentidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security
Other featuresidentical
Floppy disk drive connector	Yes	Yes
Manageability featuresKnown for one	WOL by PME, WOR by PME, WOR by Ring, PXE	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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