ASUS PRIME Z490-A vs PRIME Z690-A Motherboard Comparison

ASUS PRIME Z490-A and ASUS PRIME Z690-A are both motherboards with the same Form factor (ATX), Max LAN Speed (10/100/1000/2500Mbps) and RAM Slots (4). The main differences are in Socket, Chipset, Supported Memory and Audio Chipset.

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ASUS PRIME Z490-A	ASUS PRIME Z690-A
Prices (Change region) In Stock $249.99	Prices (Change region) In Stock $219.99 In Stock Free shipping $232.10
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Brand ASUS	Brand ASUS
Model PRIME Z490-A 90MB1390-M0AAY0 90MB1390-M0EAY0	Model PRIME Z690-A 90MB18L0-MVAAY0 90MB18L0-M0AAY0
Release Date 📅 May 2020	Release Date 📅 November 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (3 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 LGA1200	Socket LGA1700
Form factor ATX	Form factor ATX
Chipset Intel Z490	Chipset Intel Z690
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3333Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4500Mhz 4600Mhz 4800Mhz	Supported Memory DDR5 4800Mhz 5000Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz
* 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 S1220A High Definition Audio CODEC	Audio Chipset Realtek S1220A
Audio Channels 8 Channels	Audio Channels 7.1 Channels
LAN Chipset Intel I225-V	LAN Chipset Intel 2.5Gb Ethernet
Max LAN Speed 10/100/1000/2500Mbps	Max LAN Speed 10/100/1000/2500Mbps
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 4 x USB 3.2 Gen 2 port(s) (3 x Type-A + 1 x USB Type-C) 2 x USB 3.2 Gen 1 port(s) (2 x Type-A) 2 x USB 2.0 port(s) (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Intel I225-V Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port	Back I/O Ports 1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C) 3 x USB 3.2 Gen 2 port(s) (2 x Type-A 1 x Type-C ) 4 x USB 3.2 Gen 1 port(s) (4 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Intel 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 3	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 1
PCI-Express x1 Slots 3	PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 3	M.2 Ports 4
M.2 Devices support 2242 / 2260 / 2280 / 22110 - M Key 2242 / 2260 / 2280 / 22110 - M Key 2230 - E Key	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
RAM Slots 4	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 1	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1	Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0