MSI B250M PRO OPT BOOST vs Gigabyte Z370 AORUS Gaming K3 Motherboard Comparison

MSI B250M PRO OPT BOOST and Gigabyte Z370 AORUS Gaming K3 are both motherboards with the same Socket (LGA1151), SATA 6 Gbps Ports (6) and Onboard USB 2.0 (2). The main differences are in Form factor, Chipset, Supported Memory and CrossFire Support.

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MSI B250M PRO OPT BOOST	Gigabyte Z370 AORUS Gaming K3
Prices (Change region) - Buy now	Prices (Change region) - Buy now
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Brand MSI	Brand Gigabyte
Model B250M PRO OPT BOOST	Model Z370 AORUS Gaming K3 Z370 AORUS Gaming K3 (rev. 1.0)
Release Date -	Release Date 📅 October 2017
* 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 ►
Socket LGA1151	Socket LGA1151
Form factor Micro ATX	Form factor ATX
Chipset Intel B250	Chipset Intel Z370
Supported Memory DDR4 2133Mhz 2400Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3300Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3666Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz
* 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
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support Yes
RAID Support No	RAID Support Yes
Back Connect No	Back Connect No
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 1	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 2	PCI-Express x1 Slots 4
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 6
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 0	M.2 Ports 2
M.2 Devices support -	M.2 Devices support 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots 2	RAM Slots 4
Maximum Supported RAM 32 GB	Maximum Supported RAM 64 GB
Onboard USB 2.0 2	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 0	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0

Comparison and key differences summary

Reasons to buy the MSI B250M PRO OPT BOOST:

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Reasons to buy the Gigabyte Z370 AORUS Gaming K3:

Supports AMD CrossFire
Supports RAID
Supports the following RAM types: DDR4 2666MHz, 2800MHz, 3000MHz, 3200MHz, 3300MHz, 3333MHz, 3400MHz, 3466MHz, 3600MHz, 3666MHz, 3733MHz, 3800MHz, 3866MHz, 4000MHz
+1 Slots PCI-E x16
+2 Slots PCI-E x1
+2 Ports M.2
+2 RAM slots
+32 GB maximum RAM supported
+1 Onboard USB 3.2 Gen 1