B550-A PRO
- Support for 3rd Gen AMD Ryzen™ processors and future AMD Ryzen™ processors with BIOS update
- Supports DDR4 Memory, up to 4400(OC) MHz
- Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
- Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works
- Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
- Audio Boost: Reward your ears with studio grade sound quality
- Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire™
- Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.
| Specification | |
| CPU | Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update. |
| Chipset | AMD B550 Chipset |
| Memory | 4x DDR4 memory slots, support up to 128GB 1
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by A-XMP OC MODE 1DPC 1R Max speed 4800 MHz 1DPC 2R max speed 3866 MHZ 2DPC 1R max speed 4000 MHZ 2DPC 2R max speed 3600 MHZ Dual channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory Please refer www.msi.com for more information on compatible memory. |
| Expansion Slots | 1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1
1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed 2 2x PCIe 3.0 x1 slots The supported specification depends on installed processor. When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable. |
| Multi-GPU | Supports 2-Way AMD CrossFire™ Technology |
| Onboard Graphics | 1x HDMI 2.1 port, supports a maximum resolution of 4096×2160 @60Hz 1 2
1x DisplayPort, supports a maximum resolution of 4096×2160 @60Hz 1 Maximum shared memory of 16 GB Available for the processor with integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Storage | AMD B550 Chipset
6x SATA 6Gb/s ports 2x M.2 slots (Key M) M2_1 slot (from AMD Processor) Supports PCIe 4.0/ 3.0 x4 1 Supports SATA 6Gb/s Supports 2242/ 2260/ 2280/ 22110 storage devices M2_2 slot (from AMD B550 chipset) Supports PCIe 3.0×4 Supports 2242/ 2260/ 2280 storage devices The supported specification depends on installed processor. |
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| USB | AMD B550 Chipset
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector) 8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors) AMD Processor 2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel) 2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel |
| Audio | Realtek® ALC892 Codec
7.1-Channel High Definition Audio |
| LAN | 1x Realtek® 8111H Gigabit LAN controller |
| Internal Connectors | 1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector 6x SATA 6Gb/s connectors 2x M.2 slots (M-Key) 1x USB 3.2 Gen 1 5Gbps Type-C port 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) 1x 4-pin CPU fan connector 1x 4-pin water-pump fan connector 6x 4-pin system fan connectors 1x Front panel audio connector 2x System panel connectors 1x Chassis Intrusion connector 1x 4-pin RGB LED connector 2x 3-pin RAINBOW LED connectors 1xTPM module connector 1x Clear CMOS jumper |
| Back Panel Ports | Keyboard / Mouse
DisplayPort LAN HD Audio Connectors Flash BIOS Button USB 2.0 HDMI USB 2.0 USB 3.2 Gen 1 5Gbps Type-A USB 3.2 Gen 2 10Gbps Type-A+C |
| Dimensions | ATX Form Factor
12 in. x 9.6 in. (30.5 cm x 24.4 cm) |
| Mounting | 9 mounting holes |
| Warranty | 3 Years |
| Note* | Price, feature and specifications are subject to change without notice. |
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