GIGABYTE X870E AORUS PRO X3D vs ASRock B660 Pro RS Motherboard Comparison

GIGABYTE X870E AORUS PRO X3D and ASRock B660 Pro RS are both motherboards with the same Form factor (ATX), SATA 6 Gbps Ports (4) and M.2 Ports (4). The main differences are in Socket, Chipset, Supported Memory and CrossFire Support.

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GIGABYTE X870E AORUS PRO X3D	ASRock B660 Pro RS
Prices (Change region) In Stock $439.99 Last updated 55 minutes ago. In Stock Free shipping $439.99	Prices (Change region) Out of Stock Free shipping $139.99 Out of Stock Free shipping $203.99 - Buy now
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Brand GIGABYTE	Brand ASRock
Model X870E AORUS PRO X3D X870E A PRO X	Model B660 Pro RS
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 ★★★☆☆ (1 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 ►
Socket AM5	Socket LGA1700
Form factor ATX	Form factor ATX
Chipset AMD X870E	Chipset Intel B660
Supported Memory DDR5 4800Mhz 9000Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 4000Mhz 4200Mhz 4266Mhz 4600Mhz
* 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 Realtek ALC897
Audio Channels -	Audio Channels 7.1 Channels
LAN Chipset -	LAN Chipset Intel I219-V
Max LAN Speed -	Max LAN Speed 10/100/1000Mbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports -	Back I/O Ports 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x DisplayPort 1.4 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) 2 x USB 2.0 Ports (Supports ESD Protection) 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) 1 x BIOS Flashback Button HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN Yes	Wireless LAN No
Wi-Fi Generation 7	Wi-Fi Generation -
PCI-Express x16 Slots 3	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 2
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 4
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 2260 / 2280 - M Key 2260 / 2280 / 22110 - M Key 2230 - E Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 256 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 2	Onboard USB 2.0 1
Onboard USB 3.2 Gen 1 2	Onboard USB 3.2 Gen 1 2
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