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Motherboard
X870 MAX Gaming WIFI7 W
ASUS
$20977
B850I Lightning WiFi Mini ITX
ASRock
$17999
Chipset
AMD X870AMD B850
Socket
AM5AM5
Form Factor
ATXMini-ITX
Max Memory
256 GB128 GB
Memory Type
DDR5DDR5
Memory Slots
42
ECC Memory Support
No No
PCIe x16 Slots
41
PCIe x16 4.0 Slots
41
M.2 Slots
42
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  2. 2242-2260M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  1. 2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2280E (PCIe4.0x4)
SATA Ports
02
USB 2.0 Headers
21
USB 3.2 Headers
11
USB 3.2 (Gen 2) Headers
01
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
LightDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
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Comparison Analysis

Comparing the X870 MAX Gaming WIFI7 W vs B850I Lightning WiFi Mini ITX reveals distinct differences in their targeted use cases.

The B850I Lightning WiFi Mini ITX is the more budget-friendly option, costing approximately $30 (17%) less than the X870 MAX Gaming WIFI7 W.