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Compare ASUS PRIME B650M-A II-CSM vs Prime A520M-A II/CSM

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Brand
ASUS
Brand
ASUS
Model
  • PRIME B650M-A II-CSM
  • 90MB1EH0-M0AAYC
Model
  • PRIME A520M-A II/CSM
  • 90MB17H0-M0EAY0
  • 90MB17H0-M0AAYC
  • 90MB17H0-MVAAYC
Release Date
📅 January 2023
Release Date
📅 June 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Compatible PC parts
Socket
AM5
Socket
AM4
Form factor
Micro ATX
Form factor
Micro ATX
Chipset
AMD B650
Chipset
AMD A520
Supported Memory
DDR5
4800Mhz 5000Mhz 5200Mhz 5400Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3333Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz 4800Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
No
ECC RAM Support
No
Audio Chipset
Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium Japanese audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1-channel audio output.
Audio Chipset
-
Audio Channels
7.1 Channels
Audio Channels
-
Max LAN Speed
1 x Realtek 2.5Gb Ethernet
Max LAN Speed
-
SLI Support
No
SLI Support
No
CrossFire Support
No
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back Connect
No
Back Connect
No
Back I/O Ports
  • 2 x USB 3.2 Gen 2 ports (2 x Type-A)
  • 2 x USB 3.2 Gen 1 ports (2 x Type-A)
  • 4 x USB 2.0 ports (4 x Type-A)
  • 1 x DisplayPort
  • 1 x VGA port
  • 1 x HDMI® port
  • 1 x Realtek 2.5Gb Ethernet port
  • 3 x Audio jacks
  • 1 x BIOS FlashBack™ button
  • 1 x PS/2 Keyboard/Mouse combo port
Back I/O Ports
-
Wireless LAN
No
Wireless LAN
No
PCI-Express x16 Slots
3
PCI-Express x16 Slots
1
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
0
PCI-Express x1 Slots
2
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
2
M.2 Ports
1
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
192 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
2
Onboard USB 2.0
2
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2
0
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
-

What are the differences between ASUS PRIME B650M-A II-CSM and Prime A520M-A II/CSM? Analyze head-to-head all specifications and features to find out the better motherboard.

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to pick the ASUS PRIME B650M-A II-CSM:

  • Newer Product, it was released around 19 months later.
  • +2 Slots PCI-E x16.
  • +1 Ports M.2.
  • +64 GB maximum RAM supported.
  • +1 Onboard USB 3.2 Gen 2.

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Reasons to pick the ASUS Prime A520M-A II/CSM:

  • 50% cheaper, you can save $80.00.
  • +2 Slots PCI-E x1.

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