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Motherboard
B650 AORUS PRO AX
Gigabyte
$39900
X870E AORUS MASTER
Gigabyte
$49699
Chipset
AMD B650AMD X870E
Socket
AM5AM5
Form Factor
ATXATX
Max Memory
192 GB256 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
33
PCIe x16 4.0 Slots
23
PCIe x1 Slots
10
M.2 Slots
34
M.2 Slot Specifics
  1. 2580-25110M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2580-25110M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2580-25110M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  1. 2580-25110M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2280-22110M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2280-22110M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  7. 2280-22110M (PCIe4.0x4)
  8. 2280M (PCIe4.0x4)
SATA Ports
40
USB 2.0 Headers
22
USB 3.2 Headers
12
WiFi
802.11 ax802.11 ax
Ethernet Speed
2.5 Gbps5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
Yes Yes
BIOS Flashback
Yes No
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
Yes Yes
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Comparison Analysis

Comparing the B650 AORUS PRO AX vs X870E AORUS MASTER reveals distinct differences in their targeted use cases.

The B650 AORUS PRO AX is the more budget-friendly option, costing approximately $98 (25%) less than the X870E AORUS MASTER.