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Motherboard
B850I AORUS PRO Mini ITX
Gigabyte
$26999
B850M Steel Legend WiFi
ASRock
$14999
Chipset
AMD B850AMD B850
Socket
AM5AM5
Form Factor
Mini-ITXMicro ATX
Max Memory
128 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
24
ECC Memory Support
No No
PCIe x16 Slots
11
PCIe x16 4.0 Slots
11
M.2 Slots
26
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  1. 2280M (PCIe4.0x4)
  2. 2260-2280M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2260-2280M (PCIe4.0x4)
  5. 2280M (PCIe4.0x4)
  6. 2280E (PCIe4.0x4)
USB 2.0 Headers
12
USB 3.2 Headers
12
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No Yes
BIOS Flashback
No No
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
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Comparison Analysis

Comparing the B850I AORUS PRO Mini ITX vs B850M Steel Legend WiFi reveals distinct differences in their targeted use cases.

The B850M Steel Legend WiFi is the more budget-friendly option, costing approximately $120 (80%) less than the B850I AORUS PRO Mini ITX.