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Motherboard
PRIME B650-PLUS WIFI
ASUS
$15499
B850 B850M Pro RS
ASRock
$12999
Chipset
AMD B650AMD B850
Socket
AM5AM5
Form Factor
ATXMicro ATX
Max Memory
192 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
21
PCIe x16 4.0 Slots
21
PCIe x1 Slots
20
M.2 Slots
22
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. 2280E (PCIe4.0x4)
SATA Ports
40
USB 2.0 Headers
22
USB 3.2 Headers
12
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
Yes No
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
Yes-
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Comparison Analysis

Comparing the PRIME B650-PLUS WIFI vs B850 B850M Pro RS reveals distinct differences in their targeted use cases.

The B850 B850M Pro RS is the more budget-friendly option, costing approximately $25 (19%) less than the PRIME B650-PLUS WIFI.