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Asus Prime B365M-A vs PRIME X399-A

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Brand
ASUS
Brand
Asus
Model
  • PRIME B365M-A
  • PRIME-B365M-A
  • 90MB10N0-M0EAY0
  • 90MB10N0-M0AAY0
Model
PRIME X399-A
Release Date
📅 December 2019
Release Date
📅 August 2017
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(21 reviews)
User reviews
★★★★☆
(20 reviews)
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Socket
LGA1151
Socket
sTR4
Form factor
Micro ATX
Form factor
EATX
Chipset
Intel B365
Chipset
AMD X399
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz
* 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
ECC RAM Support

* ECC memory support also depends on the CPU memory controller
Audio Chipset
Realtek ALC887
Audio Chipset
Realtek ALC S1220A
Audio Channels
8 Channels
Audio Channels
8 Channels
LAN Chipset
Realtek RTL8111H
LAN Chipset
Intel i211AT
Max LAN Speed
10/100/1000Mbps
Max LAN Speed
10/100/1000Mbps
SLI Support
No
SLI Support
Yes
CrossFire Support
No
CrossFire Support
Yes
RAID Support
Yes
RAID Support
Yes
Back I/O Ports
  • 1 x PS/2 keyboard (purple)
  • 1 x PS/2 mouse (green)
  • 1 x DVI-D
  • 1 x D-Sub
  • 1 x HDMI
  • 1 x LAN (RJ45) port(s)
  • 1 x USB 3.1 Gen 1 USB Type-C up to 5Gbps
  • 4 x USB 3.1 Gen 1 Type-A
  • 1 x 8-channel Audio I/O
Back I/O Ports
-
Wireless LAN
No
Wireless LAN
No
PCI-Express x16 Slots
1
PCI-Express x16 Slots
4
PCI-Express x4 Slots
0
PCI-Express x4 Slots
1
PCI-Express x1 Slots
2
PCI-Express x1 Slots
1
SATA 6 Gbps Ports
6
SATA 6 Gbps Ports
6
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
2
M.2 Ports
2
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 / 22110 - M Key
RAM Slots
4
RAM Slots
8
Maximum Supported RAM
64 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
2
Onboard USB 3.2 Gen 2
0
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
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What are the differences between Asus Prime B365M-A and PRIME X399-A? 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 B365M-A:

  • 68% cheaper, you can save $203.31.
  • Newer Product, it was released around 2 years later.
  • +1 Slots PCI-E x1.

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Reasons to pick the ASUS PRIME X399-A:

  • Supports NVIDIA SLI.
  • Supports AMD CrossFire.
  • Supports the following RAM types: DDR4 2800MHz, 3000MHz, 3200MHz
  • +3 Slots PCI-E x16.
  • +1 Slots PCI-E x4.
  • +4 RAM slots.
  • +64 GB maximum RAM supported.
  • +1 Onboard USB 3.2 Gen 1.
  • +1 Onboard USB 3.2 Gen 2.

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