BIOSTAR RACING Z490A-SILVER vs B550M-SILVER Motherboard Comparison

BIOSTAR RACING Z490A-SILVER and Biostar B550M-SILVER are both motherboards with the same PCI-Express x16 Slots (2), SATA 6 Gbps Ports (6) and M.2 Ports (3). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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BIOSTAR RACING Z490A-SILVER	Biostar B550M-SILVER
Prices (Change region) Out of Stock $169.99	Prices (Change region) Out of Stock Free shipping $155.99
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Brand Biostar	Brand Biostar
Model Racing Z490A-Silver Z490A-Silver	Model B550M-SILVER
Release Date 📅 September 2020	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (2 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 LGA1200	Socket AM4
Form factor ATX	Form factor Micro ATX
Chipset Intel Z490	Chipset AMD B550
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3200Mhz 3600Mhz 3800Mhz 4000Mhz 4400Mhz	Supported Memory DDR4 1866Mhz 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3600Mhz 3800Mhz 4000Mhz 4400Mhz
* 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 ALC1150	Audio Chipset -
Audio Channels 7.1 Channels	Audio Channels -
LAN Chipset Intel I219-V	LAN Chipset -
Max LAN Speed 10/100/1000Mbps	Max LAN Speed -
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x PS/2 Keyboard 1 x PS/2 Mouse 1 x HDMI Port 1 x DP Port 1 x VGA Port 4 x USB 3.2 (Gen1) ports 2 x USB 2.0 Ports 1 x LAN port 3 x Audio Jack	Back I/O Ports -
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 1
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 3
M.2 Devices support 2242 / 2260 / 2280 - 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 2230 - E Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 128 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 1
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