Asus Pro WS B850M-ACE SE vs WS Z390 PRO Motherboard Comparison

Asus Pro WS B850M-ACE SE and ASUS WS Z390 PRO are both motherboards with the same M.2 Ports (2), RAM Slots (4) 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 Pro WS B850M-ACE SE	ASUS WS Z390 PRO
Prices (Change region) In Stock Free shipping $359.99 In Stock $379.99 Out of Stock Free shipping $379.99	Prices (Change region) In Stock $399.00 In Stock + $39.99 Shipping $447.68
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Brand Asus	Brand ASUS
Model Pro WS B850M-ACE SE 90MB1MN0-M0VAY0	Model WS Z390 PRO 90SW00L0-M0AAY0
Release Date -	Release Date 📅 January 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★☆ (13 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 AM5	Socket LGA1151
Form factor Micro ATX	Form factor ATX
Chipset AMD B850	Chipset Intel Z390
Supported Memory DDR5 4800Mhz 8000Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3300Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4200Mhz 4266Mhz
* 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 7.1 Surround Sound High Definition Audio CODEC - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers *Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 7.1 Surround Sound audio.	Audio Chipset Realtek ALC S1220A
Audio Channels -	Audio Channels 8 Channels
LAN Chipset -	LAN Chipset Intel I210-AT
Max LAN Speed 10Gbps + 2.5Gbps + 1Gbp	Max LAN Speed Dual 10/100/1000Mbps
SLI Support No	SLI Support Yes
CrossFire Support No	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 3 x USB 10Gbps port(s) (3 x Type-A ) 1 x USB 10Gbps port(s) (USB Type-C) 1 x USB 10Gbps port(s) (USB Type-C) supports DisplayPort video output 2 x USB 2.0 port(s) (2 x Type-A) 1 x DisplayPort 1 x VGA port 1 x HDMI port 1 x Realtek 10Gb Ethernet port 1 x Intel 2.5Gb Ethernet ports 1 x Realtek 1Gb Ethernet (Dedicated management LAN for AST2600) 2 x Audio jacks 1 x Clear CMOS button	Back I/O Ports -
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 2	PCI-Express x16 Slots 4
PCI-Express x4 Slots 0	PCI-Express x4 Slots 1
PCI-Express x1 Slots 0	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 6
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 2	M.2 Ports 2
M.2 Devices support 2280 - M Key 2280 - M Key	M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key 2242 / 2260 / 2280 / 22110 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 256 GB	Maximum Supported RAM 64 GB
Onboard USB 2.0 2	Onboard USB 2.0 1
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 1	Onboard USB 3.2 Gen 2x2 0