PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.
$139.99 $98.99
PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.
- Protect Your Wallet with Safe Payments
- Online assistance, always at your service.
- Safe Shopping Guaranteed
- Best price, safe shopping guarantee

SKU | 141424 |
---|---|
Max Memory Supported | 128GB |
Packaging | Retail |
North Bridge | AMD B550 |
Socket Type | AM4 |
AMD CPU Support | Ryzen |
Supported Memory Technologies | ECC Memory Supported Non-ECC Memory Supported Extreme Memory Profile (XMP) |
Maximum Memory Supported Per Slot | 32GB |
Memory Type | DDR4-2133 DDR4-2400 DDR4-2667 DDR4-2933 DDR4-3200 |
Audio Channels | 7.1 |
Memory Slots | 4 x 288pin DIMM |
Memory Channel Support | Dual Channel |
Onboard Graphic Chipset | Requires CPU with Integrated Graphics |
Multi-GPU Support | 2-Way CrossFire |
M.2 Port Type | 2242 2260 2280 22110 |
SATA Express | 2 x M.2 Socket 3 M Key |
SATA 6Gb/s | 6 |
RAID Support | RAID 0 RAID 1 RAID 10 |
Audio Chipset | Realtek ALC892 |
UPC | 824142219362 |
Mfr Part# | B550APRO |
Video Connectors | 1 x DisplayPort 1.2 1 x HDMI 1.4 |
LAN Speed | 10/100/1000Mbps |
PCI Express 3.0 x16 | 1 |
PCI Express x1 | 2 |
Legacy Ports | 1 x PS/2 |
LAN Ports | 1 x 10/100/1000 RJ-45 LAN |
Audio Ports | 1 x 3.5 mm Microphone 1 x 3.5 mm Line-In 1 x 3.5 mm Line-Out |
USB 2.0 | 2 x USB 2.0 (Type-A) |
USB 3.1 | 1 x USB 3.2 (Gen 2 Type-C) 1 x USB 3.2 (Gen 2 Type-A) 2 x USB 3.2 (Gen 1 Type-A) |
Headers | 1 x CPU Fan Header 6 x System Fan Header |
USB | 2 x USB 2.0 Headers (4 Ports) 1 x USB 3.2 Gen 1 Type-A Header (2 Ports) 1 x USB 3.2 Gen 1 Type-C Header (1 Port) |
LAN Chipset | Realtek 8111H |
Power Connectors | 1 x 24-pin ATX Connector 1 x 8-pin +12 V Connector |
ATX Connector | 24-pin ATX Power Connector |
Depth | 12.00 in. (305.00 mm) |
Width | 9.61 in. (244.00 mm) |
Form Factor | ATX |
Parts | 3 Years |
Labor | 3 Years |
PCI Express 4.0 x16 | 1 |
What's in the Box | Motherboard, SATA Cables, M.2 Screws, Case Badge, Registration Card, Driver Disc, Install Guide |
Be the first to review “MSI B550-A Pro AMD AM4 ATX Motherboard” Cancel reply
Related products
Motherboards
Reviews
There are no reviews yet.