Product comparison · 2 motherboards

GIGABYTE GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX vs GIGABYTE GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX

Key differences

Number of memory slots
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:4
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:8
Maximum internal memory
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:32 GB
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:64 GB
USB 2.0 ports quantity
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:8
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:7
Firewire (IEEE 1394) ports
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:0
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:1
Headphone outputs
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:6
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:5
Motherboard form factor
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:ATX
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:Extended ATX
PCI Express x16 slots
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:4
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:3
Depth
- GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX:244 mm
- GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX:264 mm

Differences highlightedShow differences only

Comparison of GA-X79-UD3, GA-X79-UD5
65 specifications	A GIGABYTE GA-X79-UD3 motherboard LGA 2011 (Socket R) ATX Model GA-X79-UD3 View product	B GIGABYTE GA-X79-UD5 motherboard LGA 2011 (Socket R) Extended ATX Model GA-X79-UD5 View product
Memory2 differ
Number of memory slotsDiffers	4	8
Maximum internal memoryDiffers	32 GB	64 GB
Graphics1 differ
Parallel processing technology supportDiffers	2-Way SLI, 3-Way SLI, Hybrid CrossFireX, Quad-GPU CrossFireX, Quad-GPU SLI	2-Way SLI, 3-Way SLI, Hybrid CrossFireX
Internal I/Oidentical
Number of IEEE1394 connectorsKnown for one	Unknown — not stated by the source	1
Power fan connectorKnown for one	Yes	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers	8	7
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputsDiffers	6	5
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Networkidentical
Wi-Fi standardsKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Features1 differ
Motherboard form factorDiffers	ATX	Extended ATX
Expansion slots1 differ
PCI Express x16 slotsDiffers	4	3
Weight & dimensions1 differ
DepthDiffers	244 mm	264 mm

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.