ASUS WS Z390 PRO vs WS C246M PRO/SE Motherboard Comparison

ASUS WS Z390 PRO and ASUS WS C246M PRO/SE are both motherboards with the same Socket (LGA1151), Audio Channels (8 Channels) and LAN Chipset (Intel I210-AT). The main differences are in Form factor, Chipset, Supported Memory and ECC RAM Support.

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ASUS WS Z390 PRO	ASUS WS C246M PRO/SE
Prices (Change region) In Stock $399.00 In Stock + $29.99 Shipping $498.50	Prices (Change region) In Stock Free shipping $264.70
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Brand ASUS	Brand ASUS
Model WS Z390 PRO 90SW00L0-M0AAY0	Model WS C246M PRO/SE 90SW00F0-M0EAY0
Release Date 📅 January 2019	Release Date 📅 September 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (13 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 LGA1151	Socket LGA1151
Form factor ATX	Form factor Micro ATX
Chipset Intel Z390	Chipset Intel C246
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3300Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4200Mhz 4266Mhz	Supported Memory DDR4 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 Yes * ECC memory support also depends on the CPU memory controller
Audio Chipset Realtek ALC S1220A	Audio Chipset -
Audio Channels 8 Channels	Audio Channels 8 Channels
LAN Chipset Intel I210-AT	LAN Chipset Intel I210-AT
Max LAN Speed Dual 10/100/1000Mbps	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 -	Back I/O Ports 1 x DisplayPort 1 x D-Sub 1 x HDMI 2 x USB 2.0/1.1 2 x USB 3.0 2 x USB 3.1 Gen 2 Type-A 3 x LAN (RJ45) 6 x Audio Jacks
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 4	PCI-Express x16 Slots 1
PCI-Express x4 Slots 1	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 8
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 2	M.2 Ports 1
M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key 2242 / 2260 / 2280 / 22110 - M Key	M.2 Devices support 2242 / 2260 / 2280 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 64 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 1	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

Reasons to buy the ASUS WS Z390 PRO:

Supports NVIDIA SLI
Supports AMD CrossFire
Supports the following RAM types: DDR4 2800MHz, 3000MHz, 3200MHz, 3300MHz, 3333MHz, 3400MHz, 3466MHz, 3600MHz, 3733MHz, 3800MHz, 3866MHz, 4000MHz, 4133MHz, 4200MHz, 4266MHz
+3 Slots PCI-E x16
+1 Slots PCI-E x4
+1 Ports M.2
+1 Onboard USB 3.2 Gen 2