MSI B550M-A PRO vs Z590-A PRO Motherboard Comparison

MSI B550M-A PRO and MSI Z590-A PRO are both motherboards with the same Audio Channels (7.1 Channels) and Onboard USB 2.0 (2). The main differences are in Socket, Form factor, Chipset and Supported Memory.

Save comparison

MSI B550M-A PRO	MSI Z590-A PRO
Prices (Change region) Out of Stock Free shipping $94.99 Out of Stock Free shipping $94.99 Out of Stock + $3.99 Shipping $94.99 Out of Stock Free shipping $130.73 - Buy now Show 2 more offers	Prices (Change region) Out of Stock Free shipping $109.99 Out of Stock Free shipping $119.99 Out of Stock Free shipping $159.99 Out of Stock Free shipping $169.99 Out of Stock Free shipping $169.99 Out of Stock + $29.99 Shipping $221.94 - Buy now Show 4 more offers
* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure) * Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand MSI	Brand MSI
Model b550m-a pro	Model Z590-A PRO 7D09-003R
Release Date 📅 November 2020	Release Date 📅 February 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (4 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 PRO	Series -
Socket AM4	Socket LGA1200
Form factor Micro ATX	Form factor ATX
Chipset AMD B550	Chipset Intel Z590
Supported Memory DDR4 1866Mhz 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz	Supported Memory DDR4 2133Mhz 2666Mhz 2933Mhz 3000Mhz 3200Mhz 3600Mhz 3866Mhz 4000Mhz 4200Mhz 4400Mhz 4600Mhz 4800Mhz 5000Mhz 5200Mhz 5333Mhz
* 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 ALC892/ALC897 Codec	Audio Chipset Realtek ALC897
Audio Channels 7.1 Channels	Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H	LAN Chipset Intel I225-V
Max LAN Speed 10/100/1000Mbps	Max LAN Speed 10/100/1000/2500Mbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x DVI-D 1 x HDMI 1 x LAN (RJ45) 2 x PS/2 2 x USB 2.0/1.1 3 x Audio Jacks 4 x USB 3.2 Gen 1	Back I/O Ports 1 x Flash BIOS Button 1 x PS/2 Keyboard/Mouse 6 x Audio Connectors 1 x HDMI 1 x DisplayPort 1 x USB 3.2 Gen 2x2 20Gbps Type-C 2 x USB 3.2 Gen 1 5Gbps (Type-A) 1 x USB 3.2 Gen 2 10Gbps (Type-A) 4 x USB 2.0 1 x LAN
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 1	PCI-Express x1 Slots 2
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 6
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 1	M.2 Ports 3
M.2 Devices support 2242 / 2260 / 2280 - M Key	M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key (Intel 11th Gen only) 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key
RAM Slots 2	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 1
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0