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Motherboard
A620 I AX Mini ITX
Gigabyte
$10999
B850 M-X WiFi R2.0
ASRock
$11399
Chipset
AMD A620AMD B850
Socket
AM5AM5
Form Factor
Mini-ITXMicro ATX
Max Memory
96 GB128 GB
Memory Type
DDR5DDR5
Memory Slots
22
ECC Memory Support
No No
PCIe x16 Slots
12
PCIe x16 4.0 Slots
12
PCIe x1 Slots
01
M.2 Slots
14
M.2 Slot Specifics
  1. 2280M (PCIe4.0x4)
  1. 2280M (PCIe4.0x4)
  2. 2260-2280M (PCIe4.0x4)
  3. 2280M (PCIe4.0x4)
  4. 2280E (PCIe4.0x4)
SATA Ports
20
USB 2.0 Headers
12
USB 3.2 Headers
11
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 No
BIOS Flashback
Yes No
Color
DarkLight
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
No-
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Comparison Analysis

Comparing the A620 I AX Mini ITX vs B850 M-X WiFi R2.0 reveals distinct differences in their targeted use cases.

Both components are priced similarly, making the choice dependent on specific features rather than budget.