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Compare Gigabyte B550 AORUS Elite AX vs Z790M AORUS ELITE AX

Gigabyte B550 AORUS Elite AX and Gigabyte Z790M AORUS ELITE AX are both motherboards with the same RAM Slots (4), Onboard USB 2.0 (2) and Onboard USB 3.2 Gen 1 (1). The main differences are in Socket, Form factor, Chipset and Supported Memory.
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Brand
Gigabyte
Brand
Gigabyte
Model
B550 AORUS Elite AX
Model
  • Z790M AORUS ELITE AX
  • Z790M AORUS ELITE AX (rev. 1.0)
Release Date
📅 August 2020
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(15 reviews)
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Compatible PC parts
Socket
AM4
Socket
LGA1700
Form factor
ATX
Form factor
Micro ATX
Chipset
AMD B550
Chipset
Intel Z790
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3333Mhz 3600Mhz 4000Mhz 4400Mhz 4600Mhz 4733Mhz
Supported Memory
DDR5
4000Mhz 4800Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz
* 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 ALC1200
Audio Chipset
-
Audio Channels
2/4/5.1/7.1-channel
Support for S/PDIF Out
Audio Channels
-
LAN Chipset
Realtek 2.5GbE LAN chip
LAN Chipset
-
Max LAN Speed
10/100/1000/2500Mbps
Max LAN Speed
-
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
  • 1 x DisplayPort
  • 1 x HDMI port
  • 2 x SMA antenna connectors (2T2R)
  • 2 x USB 3.2 Gen 2 Type-A ports (red)
  • 4 x USB 3.2 Gen 1 ports
  • 2 x USB 2.0/1.1 ports
  • 1 x Q-Flash Plus button
  • 1 x RJ-45 port
  • 1 x optical S/PDIF Out connector
  • 5 x audio jacks
Back I/O Ports
-
Wireless LAN
Yes
Wireless LAN
Yes
Wi-Fi Generation
6
Wi-Fi Generation
6E
PCI-Express x16 Slots
3
PCI-Express x16 Slots
2
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
1
PCI-Express x1 Slots
0
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
6
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
2
M.2 Ports
3
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2242 / 2260 / 2280 / 22110 - M Key
M.2 Devices support
  • 2280 - M Key
  • 2280 - M Key
  • 2280 / 22110 - 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
0
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
-

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to buy the Gigabyte B550 AORUS Elite AX:

  • 18% cheaper, you can save $35.58
  • +1 Slots PCI-E x16
  • +1 Slots PCI-E x1

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Reasons to buy the Gigabyte Z790M AORUS ELITE AX:

  • Supports AMD CrossFire
  • Newer Wi-Fi protocol
  • +2 Ports SATA 6Gb/s
  • +1 Ports M.2
  • +64 GB maximum RAM supported
  • +1 Onboard USB 3.2 Gen 2

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