Gigabyte B660 AORUS MASTER vs Z790 AORUS MASTER Motherboard Comparison

Gigabyte B660 AORUS MASTER and Gigabyte Z790 AORUS MASTER are both motherboards with the same Socket (LGA1700), PCI-Express x16 Slots (3) and SATA 6 Gbps Ports (4). The main differences are in Form factor, Chipset, Supported Memory and Wi-Fi Generation.

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Gigabyte B660 AORUS MASTER	Gigabyte Z790 AORUS MASTER
Prices (Change region) - Buy now	Prices (Change region) Out of Stock Free shipping $299.99 Out of Stock Free shipping $327.67 Out of Stock Free shipping $604.80
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Brand Gigabyte	Brand Gigabyte
Model B660 AORUS MASTER	Model Z790 AORUS MASTER
Release Date -	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 ATX	Form factor EATX
Chipset Intel B660	Chipset Intel Z790
Supported Memory DDR5 4800Mhz 5000Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz	Supported Memory DDR5 4000Mhz 4800Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz
* 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 ALC1220-VB CODEC - The front panel line out jack supports DSD audio. ESS ES9118 DAC chip Support for DTS:X Ultra High Definition Audio
Audio Channels -	Audio Channels 5.1 Channels
LAN Chipset -	LAN Chipset Marvell AQtion AQC113C 10GbE LAN chip
Max LAN Speed -	Max LAN Speed 10Gbps
SLI Support No	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 -	Back I/O Ports 1 x Q-Flash Plus button 1 x Clear CMOS button 2 x SMA antenna connectors (2T2R) 1 x DisplayPort 1 x USB Type-C port with USB 3.2 Gen 1 support 2 x USB Type-C ports with USB 3.2 Gen 2x2 support 7 x USB 3.2 Gen 2 Type-A ports (red) 4 x USB 3.2 Gen 1 ports 1 x RJ-45 port 1 x optical S/PDIF Out connector 2 x audio jacks
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 6	Wi-Fi Generation 6E
PCI-Express x16 Slots 3	PCI-Express x16 Slots 3
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 3	M.2 Ports 5
M.2 Devices support 2260 / 2280 / 22110 - M Key 2260 / 2280 / 22110 - M Key 2260 / 2280 / 22110 - M Key	M.2 Devices support 2280 / 25110 - M Key 2280 / 22110 - M Key 2280 / 22110 - M Key 2260 / 2280 - M Key 2260 / 2280 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 192 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 2
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 1

Comparison and key differences summary

Reasons to buy the Gigabyte B660 AORUS MASTER:

+1 Onboard USB 3.2 Gen 2

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Reasons to buy the Gigabyte Z790 AORUS MASTER:

Newer Wi-Fi protocol
Supports the following RAM types: DDR5 6200MHz, 6400MHz, 6600MHz, 6800MHz, 7000MHz, 7200MHz, 7400MHz, 7600MHz, 7800MHz, 7900MHz, 7950MHz
+2 Ports M.2

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