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Motherboard
B840 PRIME M-A WIFI
ASUS
$50483
B840 PRO M-P WIFI6E
MSI
$23388
Chipset
AMD B840AMD B840
Socket
AM5AM5
Form Factor
Micro ATXMicro ATX
Max Memory
192 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
31
PCIe x16 4.0 Slots
31
PCIe x1 Slots
01
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. 2260-2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2260-2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
USB 2.0 Headers
22
USB 3.2 Headers
11
USB 3.2 (Gen 2) Headers
11
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 No
BIOS Flashback
No No
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
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Comparison Analysis

Comparing the B840 PRIME M-A WIFI vs B840 PRO M-P WIFI6E reveals distinct differences in their targeted use cases.

The B840 PRO M-P WIFI6E is the more budget-friendly option, costing approximately $271 (116%) less than the B840 PRIME M-A WIFI.