ASRock Z790 PG-ITX/TB4 vs Z790 PG LIGHTNING Motherboard Comparison

ASRock Z790 PG-ITX/TB4 and ASRock Z790 PG LIGHTNING are both motherboards with the same Socket (LGA1700), Chipset (Intel Z790) and Supported Memory (DDR5-4400 / 4800 / 5200 / 5600 / 6000 / 6200 / ...). The main differences are in Form factor, Audio Chipset, LAN Chipset and CrossFire Support.

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ASRock Z790 PG-ITX/TB4	ASRock Z790 PG LIGHTNING
Prices (Change region) Out of Stock Free shipping $334.99 - Buy now	Prices (Change region) In Stock $221.00 Last updated 18 minutes ago. Out of Stock Free shipping $376.16
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Brand ASRock	Brand ASRock
Model Z790 PG-ITX/TB4	Model Z790 PG LIGHTNING
Release Date 📅 October 2022	Release Date 📅 October 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User 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 LGA1700	Socket LGA1700
Form factor Mini ITX	Form factor ATX
Chipset Intel Z790	Chipset Intel Z790
Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz
* 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 ALC4082	Audio Chipset Realtek ALC897
Audio Channels 7.1 Channels	Audio Channels 7.1 Channels
LAN Chipset Killer E3100X	LAN Chipset Dragon RTL8125BG
Max LAN Speed 2.5Gbps	Max LAN Speed 2.5Gbps
SLI Support No	SLI Support No
CrossFire Support No	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 HDMI Port 1 x DisplayPort 1.4 1 x Optical SPDIF Out Port 2 x USB4 ThunderboltTM 4 Type-C Ports (40 Gb/s for USB4 protocol; 40Gb/s for Thunderbolt protocol)* 6 x USB 3.2 Gen2 Type-A Ports (10 Gb/s) 1 x RJ-45 LAN Port 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	Back I/O Ports 2 x Antenna Mounting Points 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) 1 x USB 3.2 Gen2x2 Type-C Port (20 Gb/s) 5 x USB 3.2 Gen1 Ports 1 x USB 2.0 Port 1 x RJ-45 LAN Port HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN Yes	Wireless LAN No
Wi-Fi Generation 6E	Wi-Fi Generation -
PCI-Express x16 Slots 1	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 3	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 4	M.2 Ports 5
M.2 Devices support 2280 - M Key 2280 - M Key 2280 - M Key 2230 - E Key	M.2 Devices support 2260 / 2280 - M Key 2242 / 2260 / 2280 - M Key 2260 / 2280 - M Key 2260 / 2280 - M Key 2230 - E Key
RAM Slots 2	RAM Slots 4
Maximum Supported RAM 64 GB	Maximum Supported RAM 192 GB
Onboard USB 2.0 0	Onboard USB 2.0 0
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 2
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