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Brand | MSI |
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Model | MEG B550 UNIFY |
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 | 4x288pin (DDR4) |
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Memory Standard | AMD Ryzen 4000 G-Series processors support DDR4 5100+ (Max. 5600)/ 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 5100 MHz (QVL), Max. 5600 MHz 1DPC 2R max speed 4266 MHz 2DPC 1R max speed 4400 MHz 2DPC 2R max speed 3600 MHz 3rd Gen AMD Ryzen processors: 1DPC 1R max speed 5100 MHz 1DPC 2R max speed 4000 MHz 2DPC 1R max speed 4000 MHz 2DPC 2R max speed 3600 MHz |
Maximum Memory Supported | 128GB |
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). |
Serial ATA (SATA) | 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 5100(OC) MHz+. 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 | December 13, 2024 |
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