Product comparison · 2 motherboards

ASUS P5QC motherboard LGA 775 (Socket T) ATX vs GIGABYTE GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX

28specifications compared
9differ
19identical
22known for one product only

Key differences

USB 2.0 connectors
- P5QC motherboard LGA 775 (Socket T) ATX:6
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:2
Number of COM connectors
- P5QC motherboard LGA 775 (Socket T) ATX:1
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:2
Number of IEEE1394 connectors
- P5QC motherboard LGA 775 (Socket T) ATX:1
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:3
USB 2.0 ports quantity
- P5QC motherboard LGA 775 (Socket T) ATX:6
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:8
Ethernet LAN (RJ-45) ports
- P5QC motherboard LGA 775 (Socket T) ATX:1
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:2
Firewire (IEEE 1394) ports
- P5QC motherboard LGA 775 (Socket T) ATX:1
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:0
Audio chip
- P5QC motherboard LGA 775 (Socket T) ATX:Realtek ALC1200
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:Realtek ALC889A
PCI Express x1 slots
- P5QC motherboard LGA 775 (Socket T) ATX:3
- GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX:1

Side by side

Differences highlightedShow differences only

Comparison of P5QC, GA-EP45T-EXTREME
50 specifications	A ASUS P5QC motherboard LGA 775 (Socket T) ATX Model P5QC View product	B GIGABYTE GA-EP45T-EXTREME motherboard LGA 775 (Socket T) ATX Model GA-EP45T-EXTREME View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Memoryidentical
Number of memory slots	4	4
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Maximum internal memory	16 GB	16 GB
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Storage controllersidentical
RAID levels	0, 1, 10	0, 1, 10
Internal I/O3 differ
USB 2.0 connectorsDiffers	6	2
Number of SATA connectors	6	6
S/PDIF out connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of COM connectorsDiffers	1	2
Number of IEEE1394 connectorsDiffers	1	3
Front panel audio connectorKnown for one	Yes	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	2	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantity	0	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 outputsKnown for one	Unknown — not stated by the source	6
Microphone inKnown for one	Unknown — not stated by the source	Yes
S/PDIF out port	Yes	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	2
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
Networkidentical
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111C
Networking featuresKnown for one	Unknown — not stated by the source	10/100/1000 Mbit
Features1 differ
Motherboard form factor	ATX	ATX
Audio chipDiffers	Realtek ALC1200	Realtek ALC889A
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 slots2 differ
PCI Express x1 slotsDiffers	3	1
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsDiffers	1	2
Expansion slotsKnown for one	Unknown — not stated by the source	3 x PCI
BIOSidentical
BIOS typeKnown for one	Unknown — not stated by the source	AWARD
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
Packaging contentidentical
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security
Other featuresidentical
S/PDIF in portKnown for one	Unknown — not stated by the source	Yes
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	305 mm	Unknown — not stated by the source
DepthKnown for one	244 mm	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.

More motherboard comparisons

All motherboard comparisons