Product comparison · 2 motherboards

ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX vs GIGABYTE GA-EP45-EXTREME S775 P45 ATX

26specifications compared
14differ
12identical
28known for one product only

Key differences

The GIGABYTE GA-EP45-EXTREME S775 P45 ATX has 8 GB more maximum internal memory than the ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX (16 GB vs 8 GB). The GIGABYTE GA-EP45-EXTREME S775 P45 ATX has 4 more USB 2.0 connectors than the ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX (10 vs 6). The GIGABYTE GA-EP45-EXTREME S775 P45 ATX has 1 more chassis fan connectors than the ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX (2 vs 1). Motherboard form factor: micro ATX on the ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX, ATX on the GIGABYTE GA-EP45-EXTREME S775 P45 ATX. Audio chip: Realtek ALC1200 on the ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX, Realtek ALC889A on the GIGABYTE GA-EP45-EXTREME S775 P45 ATX.

Maximum internal memory
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:8 GB
- GA-EP45-EXTREME S775 P45 ATX:16 GB
USB 2.0 connectors
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:6
- GA-EP45-EXTREME S775 P45 ATX:10
Number of chassis fan connectors
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:1
- GA-EP45-EXTREME S775 P45 ATX:2
USB 2.0 ports quantity
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:6
- GA-EP45-EXTREME S775 P45 ATX:8
Ethernet LAN (RJ-45) ports
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:1
- GA-EP45-EXTREME S775 P45 ATX:2
eSATA ports quantity
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:1
- GA-EP45-EXTREME S775 P45 ATX:0
PS/2 ports quantity
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:1
- GA-EP45-EXTREME S775 P45 ATX:2
Firewire (IEEE 1394) ports
- P5QL-EM motherboard LGA 775 (Socket T) micro ATX:1
- GA-EP45-EXTREME S775 P45 ATX:0

Side by side

Differences highlightedShow differences only

Comparison of P5QL-EM, GA-EP45-EXTREME S775 P45 ATX
54 specifications	A ASUS P5QL-EM motherboard LGA 775 (Socket T) micro ATX Model P5QL-EM View product	B GIGABYTE GA-EP45-EXTREME S775 P45 ATX View product
Memory1 differ
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Maximum internal memoryDiffers	8 GB	16 GB
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Storage controllersidentical
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 10
Internal I/O2 differ
USB 2.0 connectorsDiffers	6	10
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 connectorKnown for one	Unknown — not stated by the source	Yes
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
CPU fan connectorKnown for one	Unknown — not stated by the source	Yes
Number of chassis fan connectorsDiffers	1	2
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports8 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantityDiffers	1	0
PS/2 ports quantityDiffers	1	2
Firewire (IEEE 1394) portsDiffers	1	0
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantityDiffers	1	0
DVI-D ports quantityDiffers	1	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 portKnown for one	Unknown — not stated by the source	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	0
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
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Audio chipDiffers	Realtek ALC1200	Realtek ALC889A
Compatible operating systemsDiffers	Windows Vista Windows XP	Microsoft/ Windows/ Vista/XP
Expansion slotsidentical
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	2
Expansion slotsKnown for one	Unknown — not stated by the source	2 x PCI Express x16 1 x PCI Express x4 1 x PCI Express x1 3 x PCI
BIOSidentical
BIOS typeKnown for one	Unknown — not stated by the source	AWARD
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Norton Internet Security (OEM version)
Other featuresidentical
Azalia Digital Header (ADH) connectorKnown for one	1	Unknown — not stated by the source
Manageability featuresKnown for one	WOL @ PME, WOR @ PME, WOR @ Ring	Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for one	352 MB	Unknown — not stated by the source
Graphics cardKnown for one	GMA X4500	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	244 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.

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