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Motherboard	$159⁹⁹	$159⁹⁹
Chipset	Intel B860	AMD B850
Socket	LGA1851	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	2	2
PCIe x16 4.0 Slots	2	2
M.2 Slots	2	6
M.2 Slot Specifics	2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2580-25110M (PCIe4.0x4) 2280M (PCIe4.0x4)	2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2230-2242M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280E (PCIe4.0x4)
SATA Ports	0	4
USB 2.0 Headers	2	2
USB 3.2 Headers	1	2
USB 3.2 (Gen 2) Headers	1	0
WiFi	802.11 ax	802.11 ax
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	No
Color	Dark	Dark
Supported CPUs	Intel Core Ultra Series 2	AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields	Yes	Yes
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Comparison Analysis

Comparing the B860M AORUS ELITE WIFI6E vs B850 Pro RS WiFi reveals distinct differences in their targeted use cases.