ASUS Prime B660M-A D4 vs Prime B660M-A WiFi D4 Motherboard Comparison

ASUS Prime B660M-A D4 and ASUS Prime B660M-A WiFi D4 are both motherboards with the same Socket (LGA1700), Form factor (Micro ATX) and Chipset (Intel B660). The main differences are in Supported Memory, Back I/O Ports and Wireless LAN.

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ASUS Prime B660M-A D4	ASUS Prime B660M-A WiFi D4
Prices (Change region) In Stock $139.99 In Stock Free shipping $199.99	Prices (Change region) In Stock $159.99 In Stock + $29.99 Shipping $217.13
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Brand ASUS	Brand ASUS
Model PRIME B660M-A D4 90MB19K0-MVAAY0 90MB19K0-M1AAY0	Model PRIME B660M-A WIFI D4 90MB1AE0-MVAAY0 90MB1AE0-M0EAY0
Release Date 📅 January 2022	Release Date 📅 January 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (2 reviews) Add a product review	User reviews ★★★★★ (2 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 LGA1700
Form factor Micro ATX	Form factor Micro ATX
Chipset Intel B660	Chipset Intel B660
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3300Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 4000Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz 5000Mhz 5333Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 4000Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz 5000Mhz 5333Mhz
* 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 7.1 Surround Sound High Definition Audio CODEC* * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.	Audio Chipset -
Audio Channels 7.1 Channels	Audio Channels 7.1 Channels
LAN Chipset Intel 1Gb Ethernet	LAN Chipset -
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 10/100/1000Mbps
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 2 ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 2 x HDMI ports 1 x Intel 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port	Back I/O Ports 2 x USB 3.2 Gen 2 ports (2 x Type-A ) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 2 x HDMI ports 1 x Wi-Fi Module 1 x Intel 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port
Wireless LAN No	Wireless LAN Yes
Wi-Fi Generation -	Wi-Fi Generation 6
PCI-Express x16 Slots 3	PCI-Express x16 Slots 3
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 2	M.2 Ports 2
M.2 Devices support 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key	M.2 Devices support 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 128 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 2	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 2	Onboard USB 3.2 Gen 1 2
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