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Motherboard
B840 PRIME M-A WIFI
ASUS
$50483
X670E AORUS PRO X
Gigabyte
$46900
Chipset
AMD B840AMD X670E
Socket
AM5AM5
Form Factor
Micro ATXATX
Max Memory
192 GB192 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
33
PCIe x16 4.0 Slots
33
M.2 Slots
44
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  2. 2242-2260M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  1. 2580-25110M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2280-22110M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2280-22110M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  7. 2280-22110M (PCIe4.0x4)
  8. 2280M (PCIe4.0x4)
SATA Ports
04
USB 2.0 Headers
22
USB 3.2 Headers
12
USB 3.2 (Gen 2) Headers
10
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No Yes
BIOS Flashback
No Yes
Color
DarkLight
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
- Yes
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Comparison Analysis

Comparing the B840 PRIME M-A WIFI vs X670E AORUS PRO X reveals distinct differences in their targeted use cases.

The X670E AORUS PRO X is the more budget-friendly option, costing approximately $36 (8%) less than the B840 PRIME M-A WIFI.