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Motherboard
B850 Pro RS WiFi
ASRock
$13999
B650 S2H
Gigabyte
$19199
Chipset
AMD B850AMD B650
Socket
AM5AM5
Form Factor
ATXMicro ATX
Max Memory
256 GB96 GB
Memory Type
DDR5DDR5
Memory Slots
42
ECC Memory Support
No No
PCIe x16 Slots
22
PCIe x16 4.0 Slots
21
PCIe x1 Slots
01
M.2 Slots
62
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2230-2242M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2280M (PCIe4.0x4)
  6. 2280E (PCIe4.0x4)
  1. 2280M (PCIe4.0x4)
SATA Ports
44
USB 2.0 Headers
22
USB 3.2 Headers
21
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps1 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No No
BIOS Flashback
No 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 B850 Pro RS WiFi vs B650 S2H reveals distinct differences in their targeted use cases.

The B850 Pro RS WiFi is the more budget-friendly option, costing approximately $52 (37%) less than the B650 S2H.