ASUS ROG Crosshair X870E Dark Hero vs ASRock Z490 Phantom Gaming 4/2.5G Motherboard Comparison

ASUS ROG Crosshair X870E Dark Hero and ASRock Z490 Phantom Gaming 4/2.5G are both motherboards with the same Form factor (ATX), PCI-Express x16 Slots (2) and RAM Slots (4). The main differences are in Socket, Chipset, Supported Memory and Audio Channels.

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ASUS ROG Crosshair X870E Dark Hero	ASRock Z490 Phantom Gaming 4/2.5G
Prices (Change region) In Stock $699.99 Last updated 27 minutes ago. In Stock $699.99 In Stock Free shipping $699.99 Out of Stock Free shipping $699.99 In Stock $719.99 Show 2 more offers	Prices (Change region) Out of Stock Free shipping $119.99 Out of Stock $159.99
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Brand ASUS	Brand ASRock
Model ROG CROSSHAIR X870E DARK HERO 90mb1nt0-m0eay0 90mb1nt0-m0vay0	Model Z490 PHANTOM GAMING 4/2.5G
Release Date 📅 February 2026	Release Date 📅 April 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★☆ (12 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 LGA1200
Form factor ATX	Form factor ATX
Chipset AMD X870E	Chipset Intel Z490
Supported Memory DDR5 4400Mhz 9600Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3200Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4333Mhz 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 -	Audio Chipset Realtek ALC1200
Audio Channels ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4082	Audio Channels 7.1 Channels
LAN Chipset -	LAN Chipset Dragon RTL8125BG
Max LAN Speed 10Gbps + 5Gbps	Max LAN Speed 10/100/1000/2500Mbps
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 2 x USB4 (40Gbps) ports (2 x USB Type-C) 9 x USB 10Gbps connector (6 x Type-A + 3 x USB Type-C) 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 10Gb Ethernet port 1 x Realtek 5Gb Ethernet port 2 x Gold-plated audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack button 1 x Clear CMOS button	Back I/O Ports 2 x Antenna Mounting Ports 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (ReDriver) (Supports ESD Protection) 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (ReDriver) (Supports ESD Protection) 2 x USB 3.2 Gen1 Ports (Supports ESD Protection) 2 x USB 2.0 Ports (Supports ESD Protection) 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN Yes	Wireless LAN No
Wi-Fi Generation 7	Wi-Fi Generation -
PCI-Express x16 Slots 2	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 3
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 6
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 5	M.2 Ports 2
M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key 2230 - M Key	M.2 Devices support 2260 / 2280 / 22110 - M Key 2230 - E Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 256 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 3	Onboard USB 2.0 1
Onboard USB 3.2 Gen 1 2	Onboard USB 3.2 Gen 1 2
Onboard USB 3.2 Gen 2 0	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 2	Onboard USB 3.2 Gen 2x2 0