GIGABYTE X870E AORUS PRO X3D vs Asus ROG STRIX B660-I GAMING WIFI Motherboard Comparison

GIGABYTE X870E AORUS PRO X3D and Asus ROG STRIX B660-I GAMING WIFI are both motherboards with the same SATA 6 Gbps Ports (4). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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GIGABYTE X870E AORUS PRO X3D	Asus ROG STRIX B660-I GAMING WIFI
Prices (Change region) In Stock $439.99 Last updated 30 minutes ago. In Stock Free shipping $439.99	Prices (Change region) In Stock $199.99 In Stock Free shipping $290.80
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Brand GIGABYTE	Brand Asus
Model X870E AORUS PRO X3D X870E A PRO X	Model ROG STRIX B660-I GAMING WIFI 90MB19C0-M0AAY0
Release Date 📅 February 2026	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User 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 ►
Series -	Series ROG
Socket AM5	Socket LGA1700
Form factor ATX	Form factor Mini ITX
Chipset AMD X870E	Chipset Intel B660
Supported Memory DDR5 4800Mhz 9000Mhz	Supported Memory DDR5 4800Mhz 5000Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz
* 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 -	Audio Chipset ROG SupremeFX 7.1-Channel High Definition Audio CODEC S1220A
Audio Channels -	Audio Channels 7.1 Channels
LAN Chipset -	LAN Chipset Intel I225-V 2.5Gb Ethernet
Max LAN Speed -	Max LAN Speed 10/100/1000/2500Mbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports -	Back I/O Ports 1 x USB 3.2 Gen 2x2 port (1 x USB Type-C) 4 x USB 3.2 Gen 1 ports (3 x Type-A +1 x USB Type-C) 3 x USB 2.0 ports (3 x Type-A) 1 x HDMI port 1 x DisplayPort 1 x Wi-Fi Module 1 x Intel I225-V 2.5Gb Ethernet 5 x Audio jacks
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 7	Wi-Fi Generation 6
PCI-Express x16 Slots 3	PCI-Express x16 Slots 1
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 4	M.2 Ports 2
M.2 Devices support 2280 / 25110 - M Key 2280 / 22110 - M Key 2280 / 22110 - M Key 2280 / 22110 - M Key	M.2 Devices support 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots 4	RAM Slots 2
Maximum Supported RAM 256 GB	Maximum Supported RAM 96 GB
Onboard USB 2.0 2	Onboard USB 2.0 1
Onboard USB 3.2 Gen 1 2	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0	Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 1	Onboard USB 3.2 Gen 2x2 0