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Motherboard
B650 GAMING PLUS WIFI
MSI
$13999
B840 PRO B840M-B
MSI
$15778
Chipset
AMD B650AMD B840
Socket
AM5AM5
Form Factor
ATXMicro ATX
Max Memory
256 GB128 GB
Memory Type
DDR5DDR5
Memory Slots
42
ECC Memory Support
No No
PCIe x16 Slots
21
PCIe x16 4.0 Slots
11
PCIe x1 Slots
11
M.2 Slots
24
M.2 Slot Specifics
  1. 22110 / 2280M (PCIe4.0x4)
  2. 2280 / 2260M (PCIe4.0x4)
  1. 2260-2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2260-2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
SATA Ports
40
USB 2.0 Headers
22
USB 3.2 Headers
11
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Bluetooth
5.3-
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 B650 GAMING PLUS WIFI vs B840 PRO B840M-B reveals distinct differences in their targeted use cases.

The B650 GAMING PLUS WIFI is the more budget-friendly option, costing approximately $18 (13%) less than the B840 PRO B840M-B.