ASUS PRIME Z490-A vs Prime B365M-A Motherboard Comparison

ASUS PRIME Z490-A and Asus Prime B365M-A are both motherboards with the same Audio Channels (8 Channels), SATA 6 Gbps Ports (6) and RAM Slots (4). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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ASUS PRIME Z490-A	Asus Prime B365M-A
Prices (Change region) In Stock $249.99	Prices (Change region) In Stock $79.99 Out of Stock + $29.99 Shipping $67.51
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Brand ASUS	Brand ASUS
Model PRIME Z490-A 90MB1390-M0AAY0 90MB1390-M0EAY0	Model PRIME B365M-A PRIME-B365M-A 90MB10N0-M0EAY0 90MB10N0-M0AAY0
Release Date 📅 May 2020	Release Date 📅 December 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (3 reviews) Add a product review	User reviews ★★★★☆ (21 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 LGA1200	Socket LGA1151
Form factor ATX	Form factor Micro ATX
Chipset Intel Z490	Chipset Intel B365
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3333Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4500Mhz 4600Mhz 4800Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz
* 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 S1220A High Definition Audio CODEC	Audio Chipset Realtek ALC887
Audio Channels 8 Channels	Audio Channels 8 Channels
LAN Chipset Intel I225-V	LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000/2500Mbps	Max LAN Speed 10/100/1000Mbps
SLI Support Yes	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 4 x USB 3.2 Gen 2 port(s) (3 x Type-A + 1 x USB Type-C) 2 x USB 3.2 Gen 1 port(s) (2 x Type-A) 2 x USB 2.0 port(s) (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Intel I225-V Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port	Back I/O Ports 1 x PS/2 keyboard (purple) 1 x PS/2 mouse (green) 1 x DVI-D 1 x D-Sub 1 x HDMI 1 x LAN (RJ45) port(s) 1 x USB 3.1 Gen 1 USB Type-C up to 5Gbps 4 x USB 3.1 Gen 1 Type-A 1 x 8-channel Audio I/O
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 3	PCI-Express x16 Slots 1
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 6
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 3	M.2 Ports 2
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 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 128 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 1
Onboard USB 3.2 Gen 2 1	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 Z490-A:

Supports NVIDIA SLI
Supports AMD CrossFire
Supports the following RAM types: DDR4 2800MHz, 2933MHz, 3000MHz, 3200MHz, 3333MHz, 3466MHz, 3600MHz, 3733MHz, 3866MHz, 4000MHz, 4133MHz, 4266MHz, 4400MHz, 4500MHz, 4600MHz, 4800MHz
+2 Slots PCI-E x16
+1 Slots PCI-E x1
+1 Ports M.2
+64 GB maximum RAM supported
+1 Onboard USB 3.2 Gen 2