ASUS TUF B450-Plus vs TUF Gaming B850M-PLUS Motherboard Comparison

ASUS TUF B450-Plus and ASUS TUF Gaming B850M-PLUS are both motherboards with the same RAM Slots (4), Onboard USB 2.0 (2) and Onboard USB 3.2 Gen 1 (1). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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ASUS TUF B450-Plus	ASUS TUF Gaming B850M-PLUS
Prices (Change region) In Stock Free shipping $294.60	Prices (Change region) In Stock Free shipping $278.53
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Brand ASUS	Brand ASUS
Model B450-PLUS GAMING TUF B450-PLUS GAMING 90MB0YM0-M0EAY0	Model TUF GAMING B850M-PLUS 90MB1IX0-M0EAY0
Release Date 📅 November 2018	Release Date 📅 January 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (88 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 ►
Series TUF	Series -
Socket AM4	Socket AM5
Form factor ATX	Form factor Micro ATX
Chipset AMD B450	Chipset AMD B850
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3466Mhz 4400Mhz	Supported Memory DDR5 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6800Mhz 7000Mhz 7200Mhz 7600Mhz 7800Mhz 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
Audio Chipset Realtek ALC887-VD2	Audio Chipset -
Audio Channels 8 Channels	Audio Channels -
LAN Chipset Realtek RTL8111H	LAN Chipset -
Max LAN Speed 10/100/1000Mbps	Max LAN Speed -
SLI Support No	SLI Support No
CrossFire Support Yes	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s) 1 x DVI-D 1 x HDMI 1 x LAN (RJ45) port(s) 1 x 5Gb/s port(s) USB Type-C 2 x USB 3.1 Gen 2 (teal blue)Type-A 2 x USB 3.1 Gen 1 (blue) Type-A 2 x USB 2.0 3 x Audio jack(s)	Back I/O Ports -
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 2	PCI-Express x16 Slots 1
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 3	PCI-Express x1 Slots 1
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 1	M.2 Ports 3
M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key	M.2 Devices support 2280 - M Key 2242 / 2260 / 2280 - M Key 2280 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 128 GB	Maximum Supported RAM 192 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 0	Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0