Asus PRIME B450-PLUS vs PRIME Z590M-PLUS Motherboard Comparison

Asus PRIME B450-PLUS and ASUS PRIME Z590M-PLUS are both motherboards with the same Max LAN Speed (10/100/1000Mbps), PCI-Express x16 Slots (2) and RAM Slots (4). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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Asus PRIME B450-PLUS	ASUS PRIME Z590M-PLUS
Prices (Change region) Out of Stock + $29.99 Shipping $175.47 - Buy now	Prices (Change region) In Stock Free shipping $170.12 In Stock $174.99
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Brand Asus	Brand ASUS
Model PRIME B450-PLUS 90MB0YN0-M0EAY0	Model PRIME Z590M-PLUS 90MB1690-M0AAY0
Release Date 📅 September 2018	Release Date 📅 February 2021
* 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 AM4	Socket LGA1200
Form factor ATX	Form factor Micro ATX
Chipset AMD B450	Chipset Intel Z590
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4500Mhz 4600Mhz 4700Mhz 4800Mhz 5000Mhz 5133Mhz
* 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 Realtek ALC897
Audio Channels 8 Channels	Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H	LAN Chipset Intel I219-V
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 10/100/1000Mbps
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 1 x USB 3.2 Gen 2x2 port (1 x USB Type-C) 1 x USB 3.2 Gen 2 port (1 x Type-A) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 1 x DVI-D port 1 x HDMI port 1 x Intel I219V 1Gb Ethernet 3 x Audio jacks
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 3	PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 5
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 1	M.2 Ports 4
M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key	M.2 Devices support 2242 / 2260 / 2280 - M Key (Intel 11th Gen only) 2242 / 2260 / 2280 - M Key 2260 / 2280 - M Key 2230 - E Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 64 GB	Maximum Supported RAM 128 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

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to buy the Asus PRIME B450-PLUS:

Supports AMD CrossFire
+1 Slots PCI-E x1
+1 Ports SATA 6Gb/s

Buy now

Reasons to buy the ASUS PRIME Z590M-PLUS:

3% cheaper, you can save $5.35
Newer Product, it was released around 2 years later
Supports the following RAM types: DDR4 3333MHz, 3400MHz, 3466MHz, 3600MHz, 3733MHz, 3866MHz, 4000MHz, 4133MHz, 4266MHz, 4400MHz, 4500MHz, 4600MHz, 4700MHz, 4800MHz, 5000MHz, 5133MHz
+3 Ports M.2
+64 GB maximum RAM supported
+1 Onboard USB 3.2 Gen 1