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Brand | MSI |
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Model | MEG B550 UNIFY-X |
CPU Socket Type | AM4 |
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CPU Type | Supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors |
Chipset | AMD B550 |
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Number of Memory Slots | 2x288pin (DDR4) |
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Memory Standard | AMD Ryzen 4000 G-Series processors support DDR4 5300+ (Max. 5800)/ 5100/ 5000/ 4866/ 4800/ 4733/ 4600/ 4533/ 4400/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE 3rd Gen AMD Ryzen processors supports DDR4 5100+/ 5000/ 4866/ 4800/ 4733/ 4600/ 4533/ 4400/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC AMD Ryzen 4000 G-Series processors: 1DPC 1R max speed 5300 MHz (QVL), Max. 5800 MHz 1DPC 2R max speed 4266 MHz (QVL), Max. 4600 MHz 3rd Gen AMD Ryzen processors: 1DPC 1R max speed 5100 MHz (QVL), Max. 5300 MHz 1DPC 2R max speed 4260 MHz (QVL) |
Maximum Memory Supported | 64GB |
Channel Supported | Dual Channel |
PCI Express 4.0 x16 | 1 x PCIe 4.0/3.0 x16 slot (PCI_E1) * * The supported specification depends on installed processor. |
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PCI Express 3.0 x16 | 1 x PCIe 3.0 x16 slot (PCI_E4), supports x4 speed * The PCI_E4 slot will be unavailable, when installing M.2 SSD into M2_4. |
PCI Express x16 | 1 x PCI Express x16 |
PCI Express x1 | 2 x PCIe 3.0 x1 slots (PCI_E2 & PCI_E3) * The both PCIe x1 slots will be unavailable after you install the M.2 SSD into M2_2 slot in Chipset support mode (default mode). |
SATA 6Gb/s | 6 x SATA 6Gb/s ports 1 2 1. The SATA5 port will be unavailable when installing M.2 SATA SSD into M2_3. 2. The SATA5 and SATA6 ports will be unavailable when installing M.2 PCIe SSD into M2_3. |
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M.2 | 4 x M.2 slots (Key M) M2_1 slot (from CPU): Supports PCIe 4.0/3.0 x4* Supports SATA 6Gb/s Supports 2280/22110 storage devices M2_2 slot: Chipset support mode (default, from Chipset ) - supports PCIe 3.0 x2 CPU support mode (From CPU) - supports PCIe 4.0/3.0 x4 * Supports 2280 storage devices M2_3 slot: Chipset support mode (default, from Chipset ) - supports PCIe 3.0 x2 CPU support mode (From CPU) - supports PCIe 4.0/3.0 x4 * Supports SATA 6Gb/s Supports 2280/22110 storage devices M2_4 slot: Supports PCIe 3.0 x4 Supports 2280 storage devices * M.2 specifications may vary depending on the CPU installed. |
SATA RAID | 0/1/10 |
Onboard Video Chipset | Supported only by CPU with integrated graphic: 1 x HDMI 2.1 port, supporting a maximum resolution of 4096x2160 @120 Hz 1 2 Maximum shared memory of 16GB 1. Available for the processor with integrated graphics. 2. Graphics specifications may vary depending on the CPU installed. |
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Audio Chipset | Realtek ALC1220P Codec |
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Audio Channels | 7.1-Channel High Definition Audio Supports S/PDIF output |
LAN Chipset | Realtek RTL8125B |
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Max LAN Speed | 2.5Gbps |
Wireless LAN | Intel Wi-Fi 6 AX200 The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz/5GHz (160MHz) up to 2.4Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax |
Bluetooth | Supports Bluetooth 5.1 |
Back I/O Ports | 4 x USB 3.1 Gen 1 |
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USB 3.0 | 4 x USB 3.0 |
Onboard USB | 1 x USB 3.2 Gen 2 10Gbps Type-C port 1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports) |
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Other Connectors | 1 x 4-pin CPU fan connector 1 x 4-pin water-pump fan connector 6 x 4-pin system fan connectors 1 x Front panel audio connector 2 x System panel connectors 1 x Chassis Intrusion connector 1 x 4-pin RGB LED connectors 2 x 3-pin RAINBOW LED connectors 1 x 3-pin CORSAIR LED connector 1 x TPM module connector 1 x Clear CMOS jumper 1 x Power button 1 x Reset button |
Form Factor | ATX |
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LED Lighting | RGB |
Dimensions (W x L) | 12.0" x 9.6" |
Power Pin | 1 x 24-pin ATX main power connector 2 x 8-pin ATX 12V power connector 1 x 6-pin PCIE power connector |
Windows 11 | Supported |
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Features | Supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors. Supports DDR4 Memory, Dual Channel 5300(OC) MHz+ (MAX5800). Quadruple M.2 Connectors: Maximum onboard 4 x M.2 slots, support the latest Gen 4 solution with up to 64GB/s bandwidth for maximum transfer speed. Extreme Power Design: Direct 14+2 phases with 90A Power Stage and dual CPU power connectors to unleash your true power. Premium Thermal Solution: Aluminum Cover with additional choke thermal pad rated for 7W/mk and PCB with 2oz thickened copper are built for high performance system and non-stop gaming experience. 2.5G LAN with LAN Manager and Intel Wi-Fi 6 AX Solution: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection. Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 double-side Shield Frozr, AMD Turbo USB 3.2 GEN 2. Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions. Pre-installed I/O Shield: Better EMI protection and more convenience for installation. |
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Date First Available | March 10, 2025 |
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