Product comparison · 2 motherboards

GIGABYTE GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX vs GIGABYTE GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX

51specifications compared
6differ
45identical
1known for one product only

Key differences

Number of IEEE1394 connectors
- GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX:0
- GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX:1
USB 2.0 ports quantity
- GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX:8
- GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX:6
Ethernet LAN (RJ-45) ports
- GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX:1
- GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2
Firewire (IEEE 1394) ports
- GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX:0
- GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2
PCI Express x16 slots
- GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX:2
- GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX:3
PCI slots
- GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX:3
- GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX:2

Side by side

Differences highlightedShow differences only

Comparison of GA-P55A-UD3R, GA-P55A-UD5
52 specifications	A GIGABYTE GA-P55A-UD3R motherboard Intel® P55 LGA 1156 (Socket H) ATX Model GA-P55A-UD3R View product	B GIGABYTE GA-P55A-UD5 motherboard Intel® P55 LGA 1156 (Socket H) ATX Model GA-P55A-UD5 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Memoryidentical
Number of memory slots	4	4
Memory voltage	1.5 V	1.5 V
Maximum internal memory	16 GB	16 GB
Storage controllersidentical
RAID levels	0, 1, 10	0, 1, 10
Internal I/O1 differ
USB 2.0 connectors	2	2
Number of SATA connectors	8	8
S/PDIF out connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectors	0	0
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of IEEE1394 connectorsDiffers	0	1
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	8	6
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantity	2	2
PS/2 ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	2
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	0	0
DVI-D ports quantity	0	0
Headphone outputs	6	6
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
COM ports quantity	0	0
WiFi-AP antenna jack	0	0
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
Networkidentical
Networking features	10/100/1000 Mbit	10/100/1000 Mbit
Featuresidentical
Motherboard form factor	ATX	ATX
Motherboard chipset	Intel® P55	Intel® P55
Audio chip	Realtek ALC889	Realtek ALC889
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Compatible operating systems	Win XP, Vista, 7	Win XP, Vista, 7
Overclocking features	PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b	PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Expansion slots2 differ
PCI Express x1 slots	2	2
PCI Express x16 slotsDiffers	2	3
PCI slotsDiffers	3	2
BIOSidentical
BIOS memory size	32 Mbit	32 Mbit
Weight & dimensionsidentical
Width	305 mm	305 mm
Depth	244 mm	244 mm
Packaging contentidentical
Drivers included	Yes	Yes
Bundled software	Norton Internet Security	Norton Internet Security
Other featuresidentical
S/PDIF in connector	Yes	Yes
Controller 2nd interface type	ATA-133/100/66/33	ATA-133/100/66/33
Controller interface type	iTE IT8720	iTE IT8720
AGP x4 slots	0	0
AGP x8 slots	0	0
Floppy disk drive connector	Yes	Yes
Special features	@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2	@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2

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