MSI PRO B660-A DDR4 vs PRO Z690-A DDR4 Motherboard Comparison

MSI PRO B660-A DDR4 and MSI PRO Z690-A DDR4 are both motherboards with the same Socket (LGA1700), Form factor (ATX) and Audio Chipset (Realtek ALC897). The main differences are in Chipset, Supported Memory, LAN Chipset and Back I/O Ports.

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MSI PRO B660-A DDR4	MSI PRO Z690-A DDR4
Prices (Change region) Out of Stock Free shipping $127.49 Out of Stock Free shipping $149.99 Out of Stock Free shipping $149.99 Out of Stock + $12.80 Shipping $149.99 Out of Stock + $29.99 Shipping $306.32 - Buy now Show 3 more offers	Prices (Change region) In Stock + $29.99 Shipping $189.88
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Brand MSI	Brand MSI
Model PRO B660-A DDR4 7D59-001R	Model PRO Z690-A DDR4
Release Date 📅 January 2022	Release Date 📅 November 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★☆☆ (3 reviews) Add a product review	User reviews ★★★★★ (11 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 ATX	Form factor ATX
Chipset Intel B660	Chipset Intel Z690
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 4000Mhz 4200Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 4000Mhz 4200Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz 5000Mhz 5066Mhz 5200Mhz
* 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 ALC897	Audio Chipset Realtek ALC897
Audio Channels 7.1 Channels	Audio Channels 7.1 Channels
LAN Chipset Realtek 8125BG	LAN Chipset Intel I225-V
Max LAN Speed 10/100/1000/2500Mbps	Max LAN Speed 10/100/1000/2500Mbps
SLI Support No	SLI Support No
CrossFire Support Yes	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x DisplayPort 1 x D-Sub 1 x HDMI 1 x LAN (RJ45) 1 x Optical S/PDIF Out 5 x Audio Jacks 1 x PS/2 Keyboard/Mouse Combo 1 x USB 3.2 Gen 2 Type-C 2 x USB 3.2 Gen 2 Type-A 4 x USB 2.0/1.1	Back I/O Ports 1 x DisplayPort 1 x HDMI 1 x Flash BIOS Button 1 x LAN (RJ45) 6 x Audio Jacks 1 x PS/2 Keyboard/Mouse Combo 1 x USB 3.2 Gen 2x2 Type-C 1 x USB 3.2 Gen 2 Type-A 2 x USB 3.2 Gen 1 Type-A 4 x USB 2.0/1.1
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 2	PCI-Express x16 Slots 3
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 3	PCI-Express x1 Slots 1
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 6
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 3	M.2 Ports 4
M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key 2242 / 2260 / 2280 / 22110 - M Key 2230 - E Key	M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key 2242 / 2260 / 2280 - M Key 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 1	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 1	Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0