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Motherboard
B850 Steel Legend WiFi
ASRock
$16999
X870 MAX Gaming WIFI7 W
ASUS
$20977
Chipset
AMD B850AMD X870
Socket
AM5AM5
Form Factor
ATXATX
Max Memory
256 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
24
PCIe x16 4.0 Slots
24
M.2 Slots
84
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  2. 2260-2280M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2230-2260M (PCIe4.0x4)
  5. 2280M (PCIe4.0x4)
  6. 2260-2280M (PCIe4.0x4)
  7. 2280M (PCIe4.0x4)
  8. 2280E (PCIe4.0x4)
  1. 2280M (PCIe4.0x4)
  2. 2242-2260M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
USB 2.0 Headers
22
USB 3.2 Headers
21
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 No
BIOS Flashback
No No
Color
LightLight
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
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Comparison Analysis

Comparing the B850 Steel Legend WiFi vs X870 MAX Gaming WIFI7 W reveals distinct differences in their targeted use cases.

The B850 Steel Legend WiFi is the more budget-friendly option, costing approximately $40 (23%) less than the X870 MAX Gaming WIFI7 W.