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Motherboard
X870E PRO-P WIFI
MSI
$21900
B660 AORUS Master
Gigabyte
$36500
Chipset
AMD X870EIntel B660
Socket
AM5LGA1700
Form Factor
ATXATX
Max Memory
256 GB192 GB
Memory Type
DDR5DDR5
Memory Slots
44
ECC Memory Support
No No
PCIe x16 Slots
33
PCIe x16 4.0 Slots
33
PCIe x1 Slots
10
M.2 Slots
43
M.2 Slot Specifics
  1. 2260-2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2260-2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2280-22110M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
  1. 2260-2280M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2260-2280M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  5. 2260-2280M (PCIe4.0x4)
  6. 2280M (PCIe4.0x4)
SATA Ports
66
USB 2.0 Headers
32
USB 3.2 Headers
21
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Ethernet Speed
5 Gbps2.5 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, 9000Intel 12th, 13th, 14th Gen
M.2 Heatsink/Shields
Yes Yes
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Comparison Analysis

Comparing the X870E PRO-P WIFI vs B660 AORUS Master reveals distinct differences in their targeted use cases.

The X870E PRO-P WIFI is the more budget-friendly option, costing approximately $146 (67%) less than the B660 AORUS Master.