ASRock X399 TAICHI vs Z790 TAICHI Motherboard Comparison

ASRock X399 TAICHI and ASRock Z790 TAICHI are both motherboards with the same SATA 6 Gbps Ports (8), Onboard USB 2.0 (2) and Onboard USB 3.2 Gen 1 (2). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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ASRock X399 TAICHI	ASRock Z790 TAICHI
Prices (Change region) Out of Stock Free shipping $337.31 Out of Stock Free shipping $338.99 - Buy now	Prices (Change region) Out of Stock Free shipping $379.99 - Buy now
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Brand ASRock	Brand ASRock
Model X399 TAICHI	Model Z790 TAICHI
Release Date 📅 February 2018	Release Date 📅 October 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (114 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	Series -
Socket sTR4	Socket LGA1700
Form factor ATX	Form factor EATX
Chipset AMD X399	Chipset Intel Z790
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3600Mhz	Supported Memory DDR5 4000Mhz 4800Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz
* 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 Yes * ECC memory support also depends on the CPU memory controller	ECC RAM Support No
Audio Chipset Realtek ALC1220	Audio Chipset Realtek ALC4082
Audio Channels 7.1 Channels	Audio Channels 5.1 Channels
LAN Chipset Intel i211AT	LAN Chipset Killer E3100G
Max LAN Speed Dual 10/100/1000Mbps	Max LAN Speed 2.5Gbps
SLI Support Yes	SLI Support No
CrossFire Support Yes	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 2 x Antenna Ports 1 x PS/2 Mouse/Keyboard Port 1 x Optical SPDIF Out Port 1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection) 1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection) 8 x USB 3.1 Gen1 Ports (Supports ESD Protection)* 2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED) 1 x BIOS Flashback Switch HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) * Ultra USB Power is supported on USB3_6 port. * ACPI wake-up function is not supported on USB3_6 port.	Back I/O Ports 2 x Antenna Ports 1 x HDMI Port 1 x Optical SPDIF Out Port 2 x USB4 Thunderbolt 4 Type-C Ports (40 Gb/s for USB4 protocol; 40Gb/s for Thunderbolt protocol)* 2 x USB 3.2 Gen2 Type-A Port (10 Gb/s) 6 x USB 3.2 Gen1 Ports (USB32_12 are Lightning Gaming Ports. USB32_34 support Ultra USB Power.) 2 x USB 2.0 Ports 2 x RJ-45 LAN Ports 1 x Line Out Jack (Gold Audio Jack) 1 x Microphone Input Jack (Gold Audio Jack) * Supports USB PD 3.0 up to 9V@3A (27W) / 5V@3A (15W) charging
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 5	Wi-Fi Generation 6E
PCI-Express x16 Slots 4	PCI-Express x16 Slots 3
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 1	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 8	SATA 6 Gbps Ports 8
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 4	M.2 Ports 6
M.2 Devices support 2242 / 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key 2230 / 2242 / 2260 / 2280 - M Key 2230 - E Key	M.2 Devices support 2280 - M Key 2280 - M Key 2260 / 2280 - M Key 2260 / 2280 - M Key 2260 / 2280 - M Key 2230 - E Key
RAM Slots 8	RAM Slots 4
Maximum Supported RAM 128 GB	Maximum Supported RAM 192 GB
Onboard USB 2.0 2	Onboard USB 2.0 2
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 0	Onboard USB 3.2 Gen 2x2 1