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Motherboard
PRIME B650M-A II-CSM
ASUS
$26733
X870 LiveMixer WiFi
ASRock
$22999
Chipset
AMD B650AMD X870
Socket
AM5AM5
Form Factor
Micro ATXATX
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
33
M.2 Slots
24
M.2 Slot Specifics
  1. 2242-2260M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2242-2260M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  1. 2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2230-2242M (PCIe4.0x4)
  5. 2280M (PCIe4.0x4)
SATA Ports
44
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 Gbps5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No Yes
BIOS Flashback
Yes Yes
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
Yes Yes
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Comparison Analysis

Comparing the PRIME B650M-A II-CSM vs X870 LiveMixer WiFi reveals distinct differences in their targeted use cases.

The X870 LiveMixer WiFi is the more budget-friendly option, costing approximately $37 (16%) less than the PRIME B650M-A II-CSM.