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Motherboard
ROG STRIX X870-A GAMING WIFI
ASUS
$28999
B850 GAMING X WIFI6E
Gigabyte
$21198
Chipset
AMD X870AMD B850
Socket
AM5AM5
Form Factor
ATXATX
Max Memory
256 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
Yes No
PCIe x16 Slots
13
PCIe x16 4.0 Slots
03
PCIe x16 5.0 Slots
10
M.2 Slots
52
M.2 Slot Specifics
  1. 2242/2260/2280M (PCIe5.0x4)
  2. 2280/22110M (PCIe5.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2280M (PCIe4.0x4)
  1. 2580-25110M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2580-25110M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2580-25110M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
SATA Ports
20
USB 2.0 Headers
22
USB 3.2 Headers
21
WiFi
802.11 be802.11 ax
Bluetooth
5.4-
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
Yes No
BIOS Flashback
Yes No
Color
LightDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
No Yes
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Comparison Analysis

Comparing the ROG STRIX X870-A GAMING WIFI vs B850 GAMING X WIFI6E reveals distinct differences in their targeted use cases.

The B850 GAMING X WIFI6E is the more budget-friendly option, costing approximately $78 (37%) less than the ROG STRIX X870-A GAMING WIFI.