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Motherboard
B650 UD AX (rev. 1.0)
Gigabyte
$16999
X870E MAG TOMAHAWK WIFI
MSI
$28999
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
32
PCIe x16 4.0 Slots
43
M.2 Slots
39
M.2 Slot Specifics
  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)
  1. 2280-22110M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2260-2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2260-2280M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  7. 2260-2280M (PCIe4.0x4)
  8. 2280M (PCIe4.0x4)
  9. 2280E (PCIe4.0x4)
SATA Ports
46
USB 2.0 Headers
32
USB 3.2 Headers
12
USB 3.2 (Gen 2) Headers
10
WiFi
802.11 ax802.11 ax
Ethernet Speed
1 Gbps5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
Yes Yes
BIOS Flashback
Yes Yes
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 UD AX (rev. 1.0) vs X870E MAG TOMAHAWK WIFI reveals distinct differences in their targeted use cases.

The B650 UD AX (rev. 1.0) is the more budget-friendly option, costing approximately $120 (71%) less than the X870E MAG TOMAHAWK WIFI.