Asus Pro B660M-C D4-CSM vs GIGABYTE B650E Eagle WIFI6E Motherboard Comparison

Asus Pro B660M-C D4-CSM and GIGABYTE B650E Eagle WIFI6E are both motherboards with the same SATA 6 Gbps Ports (4), RAM Slots (4) and Onboard USB 2.0 (2). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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Asus Pro B660M-C D4-CSM	GIGABYTE B650E Eagle WIFI6E
Prices (Change region) In Stock $129.99 In Stock Free shipping $189.87	Prices (Change region) In Stock + $2.99 Shipping $159.99
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Brand Asus	Brand GIGABYTE
Model Pro B660M-C D4-CSM 90MB19B0-MVAAYC 90MB19B0-MVAAY2 90MB19B0-M1AAYC	Model B650E EAGLE WIFI6E B650E EAGLE WF6E
Release Date -	Release Date 📅 November 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (1 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 ►
Socket LGA1700	Socket AM5
Form factor Micro ATX	Form factor ATX
Chipset Intel B660	Chipset AMD B650E
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 4000Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz 5000Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6666Mhz 6800Mhz 7000Mhz 7200Mhz 7600Mhz 7800Mhz 8000Mhz 8200Mhz 8400Mhz 8600Mhz 8800Mhz
* 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 Channels 7.1 Channels	Audio Channels 7.1 Channels
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 2.5Gbps
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 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 2 x DisplayPort 1 x HDMI port 1 x D-Sub port 1 x Intel 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port	Back I/O Ports 1 x DisplayPort (Note) 1 x HDMI port (Note) 1 x Q-Flash Plus button 4 x USB 2.0/1.1 ports 1 x PS/2 keyboard/mouse port 2 x USB 3.2 Gen 2 Type-A ports (red) 1 x USB Type-C port with USB 3.2 Gen 1 support 1 x RJ-45 port 2 x USB 3.2 Gen 1 ports 2 x antenna connectors (1T1R) 3 x audio jacks
Wireless LAN No	Wireless LAN Yes
Wi-Fi Generation -	Wi-Fi Generation 6E
PCI-Express x16 Slots 1	PCI-Express x16 Slots 4
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 2	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 3	M.2 Ports 2
M.2 Devices support 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key 2230 - E Key	M.2 Devices support 2280 / 25110 - M Key 2280 / 22110 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 128 GB	Maximum Supported RAM 256 GB
Onboard USB 2.0 2	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1	Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0