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Motherboard	$149⁹⁹	$189⁹⁵
Chipset	AMD B850	AMD B650
Socket	AM5	AM5
Form Factor	Micro ATX	ATX
Max Memory	256 GB	256 GB
Memory Type	DDR5	DDR5
Memory Slots	4	4
ECC Memory Support	No	No
PCIe x16 Slots	1	2
PCIe x16 4.0 Slots	1	1
PCIe x1 Slots	0	1
M.2 Slots	6	2
M.2 Slot Specifics	2280M (PCIe4.0x4) 2260-2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2260-2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280E (PCIe4.0x4)	22110 / 2280M (PCIe4.0x4) 2280 / 2260M (PCIe4.0x4)
SATA Ports	0	4
USB 2.0 Headers	2	2
USB 3.2 Headers	2	1
USB 3.2 (Gen 2) Headers	1	1
WiFi	802.11 ax	802.11 ax
Bluetooth	-	5.3
Ethernet Speed	2.5 Gbps	2.5 Gbps
Audio Chipset	Realtek	Realtek
Audio Channels	7.1	7.1
Optical S/PDIF Out	Yes	No
BIOS Flashback	No	Yes
Color	Dark	Dark
Supported CPUs	AMD Ryzen 7000, 8000, 9000	AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields	-	Yes
	Amazon — Check Newegg — Check	Amazon — Check Newegg — Check

Comparison Analysis

Comparing the B850M Steel Legend WiFi vs B650 GAMING PLUS WIFI reveals distinct differences in their targeted use cases.

The B850M Steel Legend WiFi is the more budget-friendly option, costing approximately $40 (27%) less than the B650 GAMING PLUS WIFI.