GIGABYTE GA-990FXA-UD3 vs GA-Z170X-UD3 Motherboard Comparison

GIGABYTE GA-990FXA-UD3 and Gigabyte GA-Z170X-UD3 are both motherboards with the same Form factor (ATX), Max LAN Speed (10/100/1000Mbps) and RAM Slots (4). The main differences are in Socket, Chipset, Supported Memory and Audio Chipset.

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GIGABYTE GA-990FXA-UD3	Gigabyte GA-Z170X-UD3
Prices (Change region) Out of Stock + $11.95 Shipping $150.00 - Buy now	Prices (Change region) Out of Stock Free shipping $203.70 - Buy now
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Pangoly Score (How do we rate?) 86	Pangoly Score (How do we rate?) -
Brand GIGABYTE	Brand Gigabyte
Model GA-990FXA-UD3	Model GA-Z170X-UD3
Release Date 📅 July 2011	Release Date 📅 September 2015
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (417 reviews) Add a product review	User reviews ★★★☆☆ (63 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►	Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►
Pros 4x PCI Express x16 slots (2x running at x16 + 2x running at x4) Support for AMD CrossFire and NVIDIA SLI 2x eSATA and FireWire ports	Pros -
Cons Software could be improved	Cons -
Series -	Series
Socket AM3+	Socket LGA1151
Form factor ATX	Form factor ATX
Chipset AMD 990FX	Chipset Intel Z170
Supported Memory DDR3 1066Mhz 1333Mhz 1600Mhz 1866Mhz 2000Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3300Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3666Mhz 3733Mhz 3800Mhz 3866Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support No	ECC RAM Support No
Audio Chipset Realtek ALC889	Audio Chipset Realtek ALC1150
Audio Channels 8 Channels	Audio Channels 2/4/5.1/7.1-channel
LAN Chipset Realtek 8111E	LAN Chipset Intel GbE LAN chip
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 10/100/1000Mbps
SLI Support Yes	SLI Support Yes
CrossFire Support Yes	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 4	PCI-Express x16 Slots 3
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 2	PCI-Express x1 Slots 3
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 2
SATA Express Ports 0	SATA Express Ports 2
M.2 Ports 0	M.2 Ports 2
M.2 Devices support -	M.2 Devices support 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 32 GB	Maximum Supported RAM 64 GB
Onboard USB 2.0 3	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 2
Onboard USB 3.2 Gen 2 0	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0
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