MSI B550-A PRO Review & Specs

MSI B550-A PRO AM4 DDR4 PCIe 4.0 SATA 6Gb/s M.2 USB 3.2 Gen 2 HDMI/DP ATX

MSI B550-A PRO AM4 DDR4 PCIe 4.0 SATA 6Gb/s M.2 USB 3.2 Gen 2 HDMI/DP ATX

- MSI

★ ★ ★ ★ ☆
(10 reviews)

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  • Support For 3Rd Gen AMD Ryzen Processors And Future AMD Ryzen Processors With BIOS Update
  • Supports Dual Channel DDR4 Memory Up To 128 GB (4400 Mhz)
  • Lightning Fast Game Experience: Pcie 4.0, Lightning Gen 4 M.2 With M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2
  • Core Boost Technology Combines Optimized Power Circuit Layouts And Digital Power Regulation Which Allows For Precise And Steady Current Delivery To The CPU
  • AUDIO BOOST Rewards Your Ears With Studio Grade Sound Quality For Immersive Gaming Experiences
  • Premium Thermal Solution: Heatsink Thermal Pad Rated For 7W/Mk And PCB With 2Oz Thickened Copper
  • Flash BIOS Button Lets Users Flash The BIOS Even Without A CPU Or Memory

Specifications Overview

Model
  • B550-A PRO
  • 7C56-002R
Release Date July 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Series PRO
Socket AM4
Form factor ATX
Chipset AMD B550
Supported Memory DDR4:
1866Mhz 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz
* 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
Audio Chipset Realtek ALC892
Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x DisplayPort
  • 1 x HDMI
  • 1 x LAN (RJ45)
  • 1 x PS/2 Keyboard/Mouse Combo
  • 1 x USB 3.2 Gen 2 Type-A
  • 1 x USB 3.2 Gen 2 Type-C
  • 2 x USB 3.2 Gen 1 Type-A
  • 4 x USB 2.0/1.1
  • 6 x Audio Jacks
Wireless LAN
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6
SATA Express Ports 0
M.2 Ports 2
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2242 / 2260 / 2280 - M Key
RAM Slots 4
Maximum Supported RAM 128GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1


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