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Motherboard	$214⁹⁹	$252⁹⁹
Chipset	Intel Z890	Intel Z890
Socket	LGA1851	LGA1851
Form Factor	ATX	Micro ATX
Max Memory	256 GB	256 GB
Memory Type	DDR5	DDR5
Memory Slots	4	4
ECC Memory Support	No	No
PCIe x16 Slots	1	1
PCIe x16 4.0 Slots	1	1
PCIe x1 Slots	1	0
M.2 Slots	6	4
M.2 Slot Specifics	2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2230-2242M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280E (PCIe4.0x4)	2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280E (PCIe4.0x4)
SATA Ports	4	0
USB 2.0 Headers	2	2
USB 3.2 Headers	2	1
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	Yes
BIOS Flashback	No	No
Color	Dark	Dark
Supported CPUs	Intel Core Ultra Series 2	Intel Core Ultra Series 2
M.2 Heatsink/Shields	-	Yes
	Amazon — Check Newegg — Check	Amazon — Check Newegg — Check

Comparison Analysis

Comparing the Z890 Pro RS vs Z890M Riptide WiFi reveals distinct differences in their targeted use cases.

The Z890 Pro RS is the more budget-friendly option, costing approximately $38 (18%) less than the Z890M Riptide WiFi.