Skip to main content
Compare

Compare Motherboards

Share Comparison
Motherboard
PRIME B650M-A II-CSM
ASUS
$26733
ROG STRIX B850-I GAMING WIFI
ASUS
$24998
Chipset
AMD B650AMD B850
Socket
AM5AM5
Form Factor
Micro ATXMini-ITX
Max Memory
192 GB128 GB
Memory Type
DDR5DDR5
Memory Slots
42
ECC Memory Support
No Yes
PCIe x16 Slots
31
PCIe x16 4.0 Slots
30
PCIe x16 5.0 Slots
01
M.2 Slots
22
M.2 Slot Specifics
  1. 2242-2260M (PCIe4.0x4)
  2. 2280M (PCIe4.0x4)
  3. 2242-2260M (PCIe4.0x4)
  4. 2280M (PCIe4.0x4)
  1. 2242/2260/2280M (PCIe5.0x4)
  2. 2242/2260/2280M (PCIe4.0x4)
SATA Ports
44
USB 2.0 Headers
21
USB 3.2 Headers
11
USB 3.2 (Gen 2) Headers
11
WiFi
802.11 ax802.11 ax
Bluetooth
-5.4
Ethernet Speed
2.5 Gbps2.5 Gbps
Audio Chipset
RealtekRealtek
Audio Channels
7.17.1
Optical S/PDIF Out
No Yes
BIOS Flashback
Yes Yes
Color
DarkDark
Supported CPUs
AMD Ryzen 7000, 8000, 9000AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields
Yes-
Amazon
— Check
Newegg
— Check
Amazon
— Check
Newegg
— Check

Comparison Analysis

Comparing the PRIME B650M-A II-CSM vs ROG STRIX B850-I GAMING WIFI reveals distinct differences in their targeted use cases.

The ROG STRIX B850-I GAMING WIFI is the more budget-friendly option, costing approximately $17 (7%) less than the PRIME B650M-A II-CSM.