Asus PRIME B850-PLUS vs PRIME B850-PLUS-CSM Motherboard Comparison

Asus PRIME B850-PLUS and Asus PRIME B850-PLUS-CSM are both motherboards with the same Socket (AM5), Form factor (ATX) and Chipset (AMD B850). The main differences are in Supported Memory, M.2 Devices support and Onboard USB 2.0.

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Asus PRIME B850-PLUS	Asus PRIME B850-PLUS-CSM
Prices (Change region) In Stock Free shipping $329.79	Prices (Change region) There are no offers available in your selected region. Other merchants are available in another region. In Stock Free shipping €164.90 In Stock + €4.99 Shipping €164.88 In Stock Free shipping €171.79 In Stock Free shipping €173.73 In Stock Free shipping €175.00 Out of Stock Free shipping €184.61 Out of Stock + €4.99 Shipping €180.41 In Stock + €7.47 Shipping €211.19 Show 5 more offers
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Brand Asus	Brand Asus
Model PRIME B850-PLUS	Model PRIME B850-PLUS-CSM
Release Date -	Release Date -
* 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 AM5	Socket AM5
Form factor ATX	Form factor ATX
Chipset AMD B850	Chipset AMD B850
Supported Memory DDR5 4800Mhz 5600Mhz 8000Mhz	Supported Memory DDR5 4800Mhz 8000Mhz
* 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 No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 2	PCI-Express x16 Slots 2
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 3	M.2 Ports 3
M.2 Devices support 2280 - M Key 2260 - M Key 2242 / 2260 / 2280 / 22110 - M Key	M.2 Devices support 2280 - M Key 2280 - M Key 2242 / 2260 / 2280 / 22110 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 256 GB	Maximum Supported RAM 256 GB
Onboard USB 2.0 1	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