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ASUS TUF GAMING B550-PLUS vs PRIME X399-A

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Brand
ASUS
Brand
Asus
Model
  • TUF GAMING B550-PLUS
  • 90MB14G0-M0EAY0
  • 90MB14G0-M0AAY0
Model
PRIME X399-A
Release Date
📅 June 2020
Release Date
📅 August 2017
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(1 reviews)
User reviews
★★★★☆
(20 reviews)
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Socket
AM4
Socket
sTR4
Form factor
ATX
Form factor
EATX
Chipset
AMD B550
Chipset
AMD X399
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3333Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz
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 memory support also depends on the CPU memory controller
ECC RAM Support

* ECC memory support also depends on the CPU memory controller
Audio Chipset
Realtek ALC S1200A High Definition Audio CODEC
Audio Chipset
Realtek ALC S1220A
Audio Channels
7.1 Channels
Audio Channels
8 Channels
LAN Chipset
Realtek RTL8125B
LAN Chipset
Intel i211AT
Max LAN Speed
10/100/1000/2500Mbps
Max LAN Speed
10/100/1000Mbps
SLI Support
No
SLI Support
Yes
CrossFire Support
Yes
CrossFire Support
Yes
RAID Support
Yes
RAID Support
Yes
Back I/O Ports
  • 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
  • 4 x USB 3.2 Gen 1 ports (4 x Type-A)
  • 2 x USB 2.0 ports (2 x Type-A)
  • 1 x DisplayPort
  • 1 x HDMI port
  • 1 x Realtek RTL8125B 2.5Gb Ethernet port
  • 5 x Audio jacks
  • 1 x Optical S/PDIF out port
  • 1 x BIOS FlashBack button
Back I/O Ports
-
Wireless LAN
No
Wireless LAN
No
PCI-Express x16 Slots
2
PCI-Express x16 Slots
4
PCI-Express x4 Slots
0
PCI-Express x4 Slots
1
PCI-Express x1 Slots
3
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
3
M.2 Ports
2
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2230 - E 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
128 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 TUF GAMING B550-PLUS 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 TUF GAMING B550-PLUS:

  • 42% cheaper, you can save $124.99.
  • Newer Product, it was released around 3 years later.
  • Supports the following RAM types: DDR4 3333MHz, 3466MHz, 3600MHz, 3733MHz, 3866MHz, 4000MHz, 4133MHz, 4266MHz, 4400MHz, 4600MHz
  • +2 Slots PCI-E x1.
  • +1 Ports M.2.

Buy now

Reasons to pick the ASUS PRIME X399-A:

  • Supports NVIDIA SLI.
  • +2 Slots PCI-E x16.
  • +1 Slots PCI-E x4.
  • +4 RAM slots.
  • +1 Onboard USB 3.2 Gen 1.
  • +1 Onboard USB 3.2 Gen 2.

Buy now

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