Product Specifications
Manufacturer Asus | Part # ROG STRIX B550-A GAMING, 90MB15J0-M0EAY0, 90MB15J0-MVAAY0 | Socket / CPU AM4 | Form Factor ATX |
Chipset AMD B550 | Memory Max 128 GB | Memory Type DDR4 | Memory Slots 4 |
Memory Speed DDR4-2133, DDR4-2400, DDR4-2666, DDR4-2800, DDR4-3000, DDR4-3200, DDR4-3466, DDR4-3600, DDR4-3866, DDR4-4000, DDR4-4133, DDR4-4400, DDR4-4600 | Color Black / White | PCIe x16 Slots 2 | PCIe x8 Slots 0 |
PCIe x4 Slots 0 | PCIe x1 Slots 3 | PCI Slots 0 | M.2 Slots 2242/2260/2280/22110 M-key, 2242/2260/2280/22110 M-key |
Mini-PCIe Slots 0 | Half Mini-PCIe Slots 0 | Mini-PCIe / mSATA Slots 0 | mSATA Slots 0 |
SATA 6.0 Gb/s 6 | Onboard Ethernet 1 x 2.5 Gb/s | Onboard Video Depends on CPU | USB 2.0 Headers 2 |
USB 2.0 Headers (Single Port) 0 | USB 3.2 Gen 1 Headers 1 | USB 3.2 Gen 2 Headers 0 | USB 3.2 Gen 2x2 Headers 0 |
Supports ECC No | Wireless Networking None | RAID Support Yes |
Comparison with similar Motherboards
 | Memory Max 128 GB | Wireless Networking Wi-Fi 6E | Price - | ||
 | Memory Max 128 GB | Wireless Networking Wi-Fi 6E | Price - | ||
 | Memory Max 128 GB | Wireless Networking None | Price - | ||
Memory Max 32 GB | Wireless Networking Wi-Fi 5 | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible CPUs
 | Core Count 8 | Performance Core Clock - | Price - | ||
 | Core Count 6 | Performance Core Clock - | Price - | ||
 | Core Count 6 | Performance Core Clock - | Price - | ||
 | Core Count 8 | Performance Core Clock - | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible RAM Memory Sticks
 | Modules 2 x 8GB | Price / GB - | Price - | ||
| Modules 2 x 8GB | Price / GB $2.241 | Price - | ||
| Modules 2 x 16GB | Price / GB $1.746 | Price - | ||
 | Modules 2 x 16GB | Price / GB $1.875 | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Graphics Cards
 | Core Clock 1320 MHz | Boost Clock 1777 MHz | Price - | ||
 | Core Clock 2475 MHz | Boost Clock 2505 MHz | Price - | ||
 | Core Clock 1920 MHz | Boost Clock 2490 MHz | Price - | ||
 | Core Clock 1920 MHz | Boost Clock None | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Internal SSDs & HDDs
 | Capacity 2 TB | Interface M.2 PCIe 5.0 X4 | Price - | ||
 | Capacity 128 GB | Interface SATA 6.0 Gb/s | Price - | ||
 | Capacity 2 TB | Interface M.2 PCIe 5.0 X4 | Price - | ||
 | Capacity 22 TB | Interface SATA 6.0 Gb/s | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Optical Drives
 | DVD-ROM Speed 16X | Interface SATA 1.5 Gb/s | Price - | ||
 | DVD-ROM Speed 16X | Interface SATA 3.0 Gb/s | Price - | ||
 | DVD-ROM Speed - | Interface SATA 6.0 Gb/s | Price - | ||
 | DVD-ROM Speed - | Interface SATA 6.0 Gb/s | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible CPU Coolers
 | Water Cooled Yes - 360 mm | Fan RPM 500 - 1800 RPM | Price - | ||
 | Water Cooled Yes - 240 mm | Fan RPM 500 - 1800 RPM | Price - | ||
 | Water Cooled Yes - 240 mm | Fan RPM 500 - 1800 RPM | Price - | ||
 | Water Cooled Yes - 360 mm | Fan RPM 500 - 1800 RPM | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Cases
 | Expansion Slots - | Maximum Video Card Length 405 mm / 15.945" | Price - | ||
 | Expansion Slots - | Maximum Video Card Length 355 mm / 13.976" | Price - | ||
 | Expansion Slots - | Maximum Video Card Length 365 mm / 14.37" | Price - | ||
 | Expansion Slots - | Maximum Video Card Length 365 mm / 14.37" | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Power Supplies
 | PCIe 6+2-Pin Connectors 3 | SATA Connectors 7 | Price - | ||
 | PCIe 6+2-Pin Connectors 3 | SATA Connectors 7 | Price - | ||
 | PCIe 6+2-Pin Connectors 3 | SATA Connectors 7 | Price - | ||
 | PCIe 6+2-Pin Connectors 6 | SATA Connectors 7 | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Sound Cards
 | Channels 7.1 | Interface PCIe x1 | Price - | ||
 | Channels 7.1 | Interface PCIe x1 | Price - | ||
 | Channels 5.1 | Interface PCIe x1 | Price - | ||
 | Channels 5.1 | Interface PCIe x1 | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Wired Network Cards
 | Interface PCIe x4 | Ports - | Price - | ||
 | Interface PCIe x1 | Ports - | Price - | ||
 | Interface PCIe x1 | Ports - | Price - | ||
 | Interface PCIe x4 | Ports - | Price - |
View AllAsus ROG STRIX B550-A GAMING compatible Wireless Network Cards
 | Interface PCIe x1 | Protocol Wi-Fi 6E | Price - | ||
 | Interface PCIe x1 | Protocol Wi-Fi 6 | Price - | ||
 | Interface PCIe x1 | Protocol Wi-Fi 6 | Price - | ||
 | Interface PCIe x1 | Protocol Wi-Fi 6E | Price - |