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Motherboard
ROG STRIX B850-A GAMING WIFI
ASUS
$22999
MAG Z790 TOMAHAWK WIFI
MSI
$19999
Chipset
AMD B850Intel Z790
Socket
AM5LGA1700
Form Factor
ATXATX
Max Memory
256 GB192 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
Yes No
PCIe x16 Slots
22
PCIe x16 4.0 Slots
12
PCIe x16 5.0 Slots
10
PCIe x1 Slots
01
M.2 Slots
44
M.2 Slot Specifics
  1. 2242/2260/2280M (PCIe5.0x4)
  2. 2280/22110M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  1. 2260-2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2260-2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2242-2260M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  7. 2242-2260M (PCIe4.0x4)
  8. 2280M (PCIe4.0x4)
  9. 2280E (PCIe4.0x4)
SATA Ports
26
USB 2.0 Headers
22
USB 3.2 Headers
11
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Bluetooth
5.4-
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
Yes Yes
BIOS Flashback
Yes Yes
Color
LightDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000Intel 12th, 13th, 14th Gen
M.2 Heatsink/Shields
- Yes
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Comparison Analysis

Comparing the ROG STRIX B850-A GAMING WIFI vs MAG Z790 TOMAHAWK WIFI reveals distinct differences in their targeted use cases.

The MAG Z790 TOMAHAWK WIFI is the more budget-friendly option, costing approximately $30 (15%) less than the ROG STRIX B850-A GAMING WIFI.