Product comparison · 2 motherboards

ASUS P5QC motherboard LGA 775 (Socket T) ATX vs GIGABYTE GA-EP45-DS3P S775 P45 ATX

25specifications compared
6differ
19identical
19known for one product only

Key differences

USB 2.0 connectors
- P5QC motherboard LGA 775 (Socket T) ATX:6
- GA-EP45-DS3P S775 P45 ATX:2
Number of chassis fan connectors
- P5QC motherboard LGA 775 (Socket T) ATX:2
- GA-EP45-DS3P S775 P45 ATX:3
USB 2.0 ports quantity
- P5QC motherboard LGA 775 (Socket T) ATX:6
- GA-EP45-DS3P S775 P45 ATX:8
Ethernet LAN (RJ-45) ports
- P5QC motherboard LGA 775 (Socket T) ATX:1
- GA-EP45-DS3P S775 P45 ATX:2
Firewire (IEEE 1394) ports
- P5QC motherboard LGA 775 (Socket T) ATX:1
- GA-EP45-DS3P S775 P45 ATX:2
Audio chip
- P5QC motherboard LGA 775 (Socket T) ATX:Realtek ALC1200
- GA-EP45-DS3P S775 P45 ATX:Realtek ALC889A

Side by side

Differences highlightedShow differences only

Comparison of P5QC, GA-EP45-DS3P S775 P45 ATX
44 specifications	A ASUS P5QC motherboard LGA 775 (Socket T) ATX Model P5QC View product	B GIGABYTE GA-EP45-DS3P S775 P45 ATX 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
Storage controllersidentical
RAID levels	0, 1, 10	0, 1, 10
Internal I/O2 differ
USB 2.0 connectorsDiffers	6	2
Number of SATA connectors	6	6
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	2	3
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Number of IEEE1394 connectors	1	1
Number of Parallel ATA connectorsKnown for one	Unknown — not stated by the source	1
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	1	2
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DVI-D ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out port	Yes	Yes
Headphone outputsKnown for one	Unknown — not stated by the source	6
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	Windows Vista/XP
Expansion slotsidentical
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Expansion slotsKnown for one	Unknown — not stated by the source	1 x PCIE x16 1 x PCIE 2.0 x8 1 x PCIE x4 3 x PCIE x1 1 x PCI
BIOSidentical
BIOS memory size	64 Mbit	64 Mbit
BIOS typeKnown for one	Unknown — not stated by the source	Award
Weight & dimensionsidentical
WidthKnown for one	305 mm	Unknown — not stated by the source
DepthKnown for one	244 mm	Unknown — not stated by the source
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
Other featuresidentical
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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